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Archive for the ‘Internet’ Category

There is an I,o,T in Monetize

Friday, April 15th, 2016

Following part I of the blog series that describes the security problems in IoT, here is the second part of the series that explains technically how the information stolen from IoT users can be monetized.

risk.top_.jpg

The IoT security challenges described in part I give rise to unprecedented risks. Mischievous parties could remotely trigger havoc inside an IoT user’s physical environment: Burning down houses by hacking microwave ovens, or remotely turning off home security systems, or for the sake of fun, just causing devices to work in an irregular manner. These are just a few examples of IoT hacking which can be used by cyber criminals. The possibilities are endless, almost left to one’s imagination.

The associated risks would also extend to the internet used by the  common man. On a daily basis, websites already violate  user privacy by tracking a user’s activity: what you search for, what links you click on, what websites you visit; this valuable data can be sold off to commercial companies. These companies, in turn, use analytics to build user profiles to serve targeted ads to their audience. However, with the data generated by IoT products, these profiles would contain not only cyber-activity logs but also physical activity data for the user. A person using a pacemaker could now be targeted by insurance companies with specific schemes, even though he/she wouldn’t like others to know about their medical condition.

On the Dark Internet, a major chunk of content is based upon selling stolen credit card information and user credentials. The Dark Internet provides services for DDoS attacks and hacking accounts/websites for a fee. With the increasing adoption of IoT, we might see the rise of a new kind of data on these sites. Data stolen from IoT products would provide an entirely new set of data to be used for malicious purposes. There could be malware and viruses written specifically for IoT products which may go on to cause physical damage to life and property. Consider a botnet, capable of infecting a pacemaker device. It requires only a single command to cause irregularities in the pacemaker’s functionality thereby giving malicious parties the nefarious power to carry out mass murder.

We, as a security concern, believe that industry  can definitely reduce the risks associated in using IoT devices by tackling the afore-mentioned known security problems in the IoT ecosystem at different stages such as  manufacturing and custom-designed security quality assurance testing to ensure the maximum security of the IoT devices at the software level, up until the device reaches the user.

Image credits:
www.vipinkhandelwal.com

Priyal Viroja, Vulnerability Researcher, K7TCL

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Problems (In)Securing IoT Ecosystem

Thursday, April 7th, 2016

Here is the first part of a two-part blog that covers the security problems in the Internet of Things (IoT) in more technical terms than our previous series .

Imagine that you are on your way back home in a self-driven car, browsing the internet on your mobile. As you come within a 2-mile radius of your house, the air-conditioner switches itself on at the temperature of your choice. You enter your garage, the doors opening automatically, and walk into your room. The lighting dynamically adjusts according to the weather outside, and the lasagna that was in the oven is now all warmed up.

Twenty years ago, if somebody told me such a tale, I’d have laughed and said “you watch too much science fiction”. But today, this scenario is within the scope of modern reality. The IoT revolution is finally here, and it is supposedly bringing joy and comfort to people. But there’s a downside to IoT: it is increasingly becoming an attractive target for cybercriminals. The increase in the sheer number and variety of connected devices has opened up possibilities for coming up with new and more diverse attack techniques.

IoT.security.JPG

Security flaws in IoT products have been brought to light by hackers and security researchers. Some of the hacks which made security news were: Smart home, Surveillance cameras, Jeep car (accessed remotely and its engine killed remotely). In addition an airplane’s cockpit controls were accessed via the in-flight entertainment system. As if these weren’t enough, even pacemakers and insulin pumps were demonstrated as being hackable.

If one were to take a closer look into these hacks, a bunch of recurrent fundamental security problems with the IoT ecosystem come forth. Let’s take a look at some of those problems.

Communication Channels

IoT devices mostly communicate wirelessly using protocols like LTE Advanced, Cellular 4G/LTE, 3G GPS/GPRS, 2G/GSM/EDGE, CDMA, EVDO, WIMAX, Weightless, Wifi, Bluetooth, UWB, Z-Wave, Zigbee, 6L0wpan, NFC and RFID. There are known security flaws associated with these protocols, and yet they continue to be widely used. This leaves us with two non-trivial choices:

  1. Fix the issues with these protocols
  2. Come up with better and more secure protocols

Both of the above choices are non-trivial to execute.

Authentication and Authorization

Credentials/tokens are essential in the traditional authentication and authorization approach. However, IoT has added new modes: biometrics, sensors, NFC, RFID, and sometimes, surprise surprise: no authentication at all! All these years industry has been struggling with securely storing credentials in one way or another. But now we have a whole new array of authentication and authorization approaches to take care of.

End-to-End Encryption

Mobile apps, messaging apps in particular, first encrypt the user’s data on the device using state-of-the-art industry-standard encryption algorithms. Then anti-snooping, end-to-end encryption techniques are deployed. However, the same approach can’t be taken with IoT devices as the modes of communication are fundamentally different. Here, the communication is not one-to-one but, one-to-many or many-to-many. Data travels through many communication channels and nodes. Also, the security protocols used by devices might vary.

Minor faults in end-to-end encryption may lead to exposure of credentials, tokens, and other sensitive informations. Imagine that you have a router using a state-of-the-art encryption algorithm. This router then communicates with a thermometer, which stores the network password in plaintext. Now, to break into the network, all one would need to do is target the thermometer, thereby bypassing the entire robust network security framework.

Insecure Web/App Interface

Web/App interfaces are infamous for being targets of choice for hackers. This can be attributed to the bugs/defects present in the underlying frameworks that these interfaces run on. A vulnerable interface could provide a hacker with access to the server or to the cloud itself. The common problems associated with this are:

  1. A lack of robust password recovery mechanisms
  2. No protection against cross-site scripting (XSS), code/SQL injections, etc.,

Hardware Failures

Preoccupied with creating a sleek and minimalistic design, some manufacturers tend to neglect hardware bugs. These bugs, in turn, can allow attackers to reboot the device(s) and their corresponding hotspots. It is not possible to deliver hardware patches over the air.

Unprotected Client Devices

IoT users’ use of desktops, laptops, tablets, mobiles, etc to operate IoT devices, in turn, opens a remote door to devices. All these devices have a long and notorious history of severe vulnerabilities. Consider a scenario of a company building a smart bulb with all these fancy remote control features. They have a highly compatible, secured mobile app, web interface and embedded hardware. But what if customers have a weak wireless setup, outdated mobile operating system, vulnerable desktop applications? On whom are we going to pin the blame for a breach??!

Image credits:
www.eweek.com

… to part II: risks from stolen user’s information

Priyal Viroja, Vulnerability Researcher, K7TCL

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(Frau)Duly Digi-Signed

Thursday, March 24th, 2016

This is the seventh part of our series on cyber security, and the second part on Digital Signing. This blog post aims to inform readers about the misuse and exploitation of digital signatures.

The previous installment on Digital Signing discussed the security role of digital signatures in today’s era of internet communication and computerisation. Though designed for authentication and tamper-proofing of digital content, digital signatures and certificates are also exploited and misused to a fair extent.

Consider the case of Stuxnet (2010) wherein the device drivers of the rootkit component were digitally signed, and were actually loaded without any notification on infected systems. These drivers were signed by certificates which were actually stolen, and which were ultimately revoked by the CA which issued them.

The signed malware trend has been on the rise since then. To give some insight on the scale of the issue, let us consider a scenario in our own K7TCL. We pulled out data that represents the total number of malware signatures released over certain discrete chunks of time.

Graph 1: Ratio between signed malware and unsigned malware

The above graph depicts that on average at least one-tenth of automated detections released are for files carrying a valid digital signature. The signing certificates could either have been stolen or legitimately acquired for mala fide purposes. Unwanted Programs/Applications/Adware are examples of those that use “legitimately acquired” certificates. It is widely acknowledged that the Potentially Unwanted Programs (PUP)/Potentially Unwanted Applications (PUA) have been posing a serious problem in the AV community for some time.

To understand this better we further refined our stats data and found that it is PUP/PUAs that dominate the number of digitally-signed-file detections at more than 90%.

Graph 2: Ratio between signed PUP/PUAs and signed malware

These PUP/PUAs can more easily circumvent the security policies of recent versions of Windows that restrict unsigned executables from loading into memory. Thus digital signatures, though they make it possible to keep tabs on what gets executed, they can also lend themselves to nagging PUP/PUAs. There has been a huge increase in signed PUP/PUAs over the past couple of years, indicating a potential dilemma faced by CAs. This is apart from the very serious issues that are caused by malware authors signing their creations with paid-up, as well as stolen, digital certificates. Thus the automatic trust factor associated with digital signatures is being eroded on a daily basis.

The CAs also feel the heat since they are required to revoke or blacklist certificates that have been misused. CAs update what is called a Certificate Revocation List (CRL), wherein revoked certificates are published on a regular basis, but the CRL method had its own shortcomings. Hence Online Certificate Status Protocol (OCSP) was deployed, such that it overcame the difficulties that the CRL scheme had with respect to PKI standards.

Nevertheless, Digital Signing, plays a major role in securing digital content, despite the above-described shortcomings.

K7 Threat Control Lab

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IoT: What the Future Holds

Thursday, March 17th, 2016

Here is part six of the the blog series on the Internet of Things following on from IoT: How are We Going to Protect Ourselves? that concludes the blog series with a brief idea on how we, as a security company, foresee the future of IoT security.

The problems that an IoT consumer user might face is applicable to enterprises as well, on a large scale. The risks could be even higher in the case of enterprises because the devices in industry, e.g. in a nuclear power facility or water plant, cameras in data centres, medical devices in hospitals, etc., could very well also be part of IoT.

Data from millions of credit cards stolen…, hackers stealing passwords from billions of customers…, cyber-criminals stealing intellectual property from world famous XYZ company… these are the subjects of breaking security news over the last couple of years.

In the future it would be awful to hear news like  “Hackers stole billions of IoT data records”, “Cyber-criminals got access to trillion IoT devices”,  “Almost all the household appliances from XYZ country stopped working after a reported attack from ABC group”, etc. As a security company, we would consider such scenarios as possibilities but we would hate to see them manifest themselves.

The next generation of spam messages are not going to be based on assumption but will be purely and precisely based on the user’s IoT device usage and data, as it is now happening with web search items.

There could be a possibility of a new era of cyber war and cyber terrorism, but at the same time, we would like to welcome you all to the new world of cyber security protection!

http://devicebar.com/wp-content/uploads/2015/05/What-Is-Internet-of-Things-IoT-e1432593113423.png

Remember, the objective of this blog series was not to make users paranoid about IoT or to spread panic. Rather, it was to create and spread awareness on being secure in a more challenging world of IoT! So, by following simple, but important, protection steps, we should be able to protect ourselves better from IoT security dangers.

Here at K7 we have been protecting our customers and their information systems for more than two decades, and we intend to protect even their IoT devices, at home and elsewhere! We would like to witness the ‘Internet of Things’ turning into the ‘Internet of Secure Things’.

Image credits:
devicebar.com

Senthil Velan
Manager,Vulnerability Research

If you wish to subscribe to our blog, please add the URL provided below to your blog reader: http://blog.k7computing.com/feed/

Duly Digi-Signed

Thursday, March 3rd, 2016

Continuing our series on cyber security, following the fifth part on Social Networking, this blog post aims to initiate the readers on the what, where and how of Digital Signatures in information security.


A digital signature is a method of authenticating both the source and the content of any form of electronic data/message. When validated the recipient of the signed electronic data/message can be confident of the integrity of the content, i.e. it hasn’t been altered in any form during transit, and that the sender is the person or entity that signed the content.

Source: https://www.esignit.org/NewEsignit/images/Digital%20authentication%20process.jpg

Digital signatures are based on asymmetric cryptography; a complex mathematical scheme involving a set of public, i.e. freely distributable, and private (aka ‘secret’) encryption keys is employed to create a secure channel for transmission of data across any network. If deployed correctly the receiver can believe that the data/message is perfectly authentic, and the sender cannot claim that it was fraudulent/forged unless the sender admits that their private key has been stolen and misused.

A basic example of usage of a digital signature would be an e-receipt for an online transaction, such as for an online insurance premium payment for which the insurance company could issue a digitally signed receipt from a specific person in that organisation. This receipt would normally require a signature by hand if done as a physical paper transaction. This method of digital authentication will become more and more prevalent as organisations move away from paper documentation.

Digital signatures are also used in digital certificates that are issued to entities that seek them. A digital certificate is like an identity card issued to an entity by a “Certification Authority” (CA), e.g. VeriSign. The certificate contains information about the entity that has been vetted by the CA, the entity’s public key, the CA’s name and the CA’s digital signature.

Since CAs are meant to carefully vet entities before issuing them certificates for a price, typically from INR 50,000 (USD 800) to INR 100,000 (USD 1500) for a period ranging from 1 year to 3 years for an EV (Extended Validity) Cert, digitally signed files are accorded an enhanced trustworthiness. Windows identifies likely safe or harmless files based on the validity of digital signatures on files that are executed on the OS using pre-populated trusted certificates in its certificate repository. Windows employs UAC (User Access Control) mechanisms to prevent malicious files from executing automatically. Files that have digital signatures from Microsoft can suppress UAC while other signers need to be authorized for execution on ‘first run’.

Websites also use digital certificates for authentication, typically an SSL (Secure Socket Layer) certificate. There are various processes for certifying a website. It can be certified on the domain level based on the registration information or the respective organisation can be certified, which would follow a more manual process of scrutiny to check the authenticity of the organization, etc. An EV Cert however requires a higher level of scrutiny and background checks. If a website handles sensitive, personally identifiable information it should be a secure site with appropriately verified digital certificates.

As seen in the image above a digital certificate is not issued for eternity but only for a stipulated period of time. This is done to ensure that an organisation once legitimate remains legitimate to retain certificate renew rights. A CA could either choose to not issue a certificate to the organisation after the stipulated period is complete or, if the organisation has gone rogue, the CA could revoke the certificate during the validity period. A time limit on the validity of a certificate also reduces the potential damage which could be done if a certificate has been silently leaked, i.e. stolen, and is being used to sign malware.

Microsoft now employs a strict policy on what is allowed to be loaded into Windows kernel memory. Windows 10 strictly loads driver files if and only if they are signed by an EV certificate. An EV cert requires legal and human validation of the purchaser, and is a cert which fulfills the EV vetting criteria of the CA. This move should hopefully disrupt the kernel rootkit infection vector on Windows 10 machines.

Though digital signatures play a big part in securing digital content they too have their fair share of cases of abuse and misuse. A follow up to this blog post that discusses more about how digital signatures are misused can be expected in the near future … stay tuned.

…to part 7: (Frau)Duly Digi-Signed

Images courtesy of:
sslshopper.com
esignit.org

K7 Threat Control Lab

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IoT: How are We Going to Protect Ourselves?

Thursday, February 25th, 2016

Here is the fifth part of the blog series on the Internet of Things following its fourth part on “IoT: What the Bad Guys Could Do with Your Hacked Devices”. This part explains the difficulties in protecting an IoT device and a few security steps to safeguard against the risk at the user’s end.

Unfortunately many things are as yet unclear, and therefore not streamlined, when it comes to IoT security. That is, currently there are no proven security standards available for IoT, unlike other sectors such as health, finance, information technology, etc. which have dedicated security standards.

As a world-class security company, our mission is not only to protect people but also to create awareness about cyber security hazards associated with using state-of-the-art technology.

Interestingly, in a report from the U.S. Federal Trade Commission, the security principles a manufacturer should follow while making an IoT device are well-documented. The important ones are:

  • Security by design
  • Data minimization
  • Notice and choice for unexpected uses

We would like to provide some additional detail. We recommend the following steps to vendors who manufacture IoT devices:

  1. Ensure that the appliance firmware is safe and secure by design, and by implementing known security standards, i.e. vulnerability-free.
  2. Ensure that the application developed to communicate with the appliance is safe and secure by design and by implementation.
  3. Always follow data security standards while storing and transmitting the information – this applies to the information stored on the appliance, stored in the application, and information transmitted from appliance to application and vice versa. Storing the data in an encrypted format would be preferable.
  4. Incorporate third-party security auditors to assess the appliance and the IoT application.
  5. If any security vulnerability in the appliance or application is disclosed, immediately notify the users about it and publish an update or patch as soon as possible.

As an IoT consumer, by following these simple steps, you can be better protected from the possible dangers:

  1. In your purchasing decision, instead of going by feature, always go by necessity. If you do not need to control your appliance remotely, then think twice before opting for a remotely-controlled IoT device. What is the use of controlling your refrigerator remotely if you use this feature only seldom? At least disable the IoT feature if not required.
  2. Ask the vendor about the security features that are available in the appliance, and the nature of the information stored or transmitted by the appliance, and the mode for the same.
  3. Ask the vendor about the security features of the application that controls the appliance, and the nature of information stored or transmitted by the application, and the mode for the same.
  4. Make sure that the mobile device that controls the appliance is secure and running with required security applications.
  5. Always use strong passwords for authentication on both the appliance and the application.
  6. Never share appliance passwords, application passwords and the mobile device that controls these appliances, with anyone.
  7. Update the application (firmware)/appliance/mobile device whenever there is an update available for the corresponding item. The automatic update feature is recommended, if available.
  8. Install and update the security suite software on the mobile device that hosts the IoT applications.

…to part 6: what-the-future-holds

Image credit:
phantomiot.com

Senthil Velan
Manager,Vulnerability Research

If you wish to subscribe to our blog, please add the URL provided below to your blog reader: http://blog.k7computing.com/feed/

Social Networking

Thursday, February 18th, 2016

Here is the fifth part of the blog series on cyber security, following its fourth part on password management that describes the concept of social networking and  a few tips to follow to have safe networking online.

Social networking is a medium for managing social relations, both personal and professional, using the Internet. Social networking web sites such as Twitter, Facebook, LinkedIn, etc., provide a convenient and efficient online interface for communication with multiple people in a user-friendly manner. People are connected to their friends, family, colleagues, and followers in real-time, even on-the-go using mobile devices. Important events in people’s lives and people’s opinions on any subject seem to be communicated to all only via the social networking medium.

Social networking sites can be used to reach a wide audience very quickly through multiplier effects, e.g. people re-tweeting somebody else’s tweet. Therefore social networking is regularly used to communicate positive content. Sometimes certain content can become so popular amongst the masses that its immediate and far-reaching spread is described as “going viral”.

Unfortunately social networking sites can easily be abused to deliver negative content, intentionally or unintentionally. In addition, social networking sites are time and bandwidth consuming, and help to spread malware, therefore are particularly unwelcome within a work environment.

There are several risks associated with social networking which should be understood and managed effectively:

Users of social networking sites tend to post Personally Identifiable Information (PII) such as bank account and medical information, birthday, phone number, address, etc. online which can be used against them in harmful ways by other users, including professional criminal gangs. This is because information posted online may be accessible publicly. There are examples of burglaries which take place because users are known to be on holiday, leaving their houses empty. Users are advised to:

  • think twice before sharing PII online
  • read the Terms & Conditions of the social networking site carefully to verify what information is considered shareable and with whom
  • consider configuring privacy settings on social networking sites to protect PII better
  • avoid online surveys which extract PII

People in the virtual space of social networking sites cannot have their profiles pre-verified for authenticity so it is possible to create fake profiles which can be used to lure or spy on victims. Children are particularly vulnerable to being stalked by dangerous elements harbouring prurient ideas. In addition cases of use of abusive content to terrorize users are common. These actions are called cyber bullying and trolling, and can take a devastating toll on a person’s mental state. The following security guidelines are recommended:

  • Users should never accept an anonymous friend request.
  • It is important to use Parental Control software such that in K7 Total Security which allows blocking of certain sites or at least enforces restrictions on the time spent on certain sites.

Cyber criminals can spread malware and spam through social networking sites, causing users to expose their computer to infections. The following security guidelines are recommended:

  • Users should never click on the links on anonymous chats
  • Users should never download media files, including images and videos, from unknown sources.
  • Use strong passwords to avoid account hijacking and periodically cross-verify that privacy settings have not been modified.
  • It is important to use world-class, up-to-date Anti-Virus software such as K7 Total Security to protect against malicious files and block phishing and malware website links.

The resource-wasting aspect of social networking sites within an office environment can be prevented by blocking social networking sites locally using K7 Total Security or across managed computers using a central policy deployed by K7 Management Console.

Social networking has even been abused to spread disinformation and propaganda to engender a polarizing effect and mass panic amongst communities, which can be considered a national security threat. This implies that the content on social networking sites needs to be monitored closely and corrective actions taken as per the prevailing laws when security issues arise.

…to part 6: digital signatures

Images courtesy of:

blog.voxox.com
iconarchive.com
adweek.com

K7 Threat Control Lab

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IoT: What the Bad Guys Could Do with Your Hacked Devices

Thursday, February 11th, 2016

Following the third part “IoT: Your Personal Data May Not be as Private as You Think” of this series on the Internet of Things, here is part four focussing on what could happen when IoT private information (discussed in “IoT: Your World at Somebody Else’s Fingertips?”) falls into the hands of the bad guys or the cybercrime underworld.

Suppose the bad guys have access to your personal data or hack into your IoT appliances (worst-case scenario!), they could:

  1. Demand a ransom, threatening to sell your private health records to any interested party
  2. Hijack your appliances and render them non-operational, unless you pay a ransom “fee”
  3. Monitor your house by controlling your security cameras without your knowledge, thus determining your presence or, in fact, absence. Along with your ‘Going to Paris on vacation’ post on social media, it enables them to plan a robbery more accurately
  4. Sell your eating and food preferences to various food manufacturing companies or retailers or even to restaurants and hotels, just to provide an added advantage in targeted selling
  5. Sell your clothes-washing habits and clothing preferences to various fashion companies or retailers
  6. Use your device as part of a botnet of billions of hacked devices to conduct a Distributed Denial of Service (DDoS) attack against a specific target. It is interesting to note that this type of attack using IoT devices has already happened. The light bulbs at your home could well already be part of a botnet, consuming your power and internet bandwidth simultaneously!

Perhaps somebody with a vendetta against you could even resort to changing your refrigerator’s temperature settings so that your food goes bad.

We have been witnessing for years what bad guys are capable of doing, e.g. security breaches at big organizations and infamous ransomware. The same tactics might apply here too.

One other dangerous scenario is within the context of cyber warfare. During war time an enemy nation could launch a massive cyber attack on IoT devices in another nation, rendering every IoT device dysfunctional resulting in more chaos, damage and potential loss of life. To this effect, IoT appliances may also be prone to cyber attacks by terrorists.

… to part5: How are we going to protect..

Image credit:
www.wired.com/tag/iot

Senthil Velan
Manager,Vulnerability Research

If you wish to subscribe to our blog, please add the URL provided below to your blog reader: http://blog.k7computing.com/feed/

IoT: Your Personal Data May Not be as Private as You Think

Thursday, January 21st, 2016

Following the second part “IoT: Your World at Somebody Else’s Fingertips?” of this series on IoT, here is part three focussing on the privacy of the user’s sensitive information.

Privacy becomes a very important factor to consider when it comes to user-specific data that these IoT devices generate and store locally and/or remotely.

Suppose a user’s IoT enabled medical devices send important data about his/her blood pressure, sugar level and diet information (remember the smart refrigerator!), then the user might experience one or more of the following:

  1. one of the nearest hospitals in his/her city might offer attractive packages for health check-ups
  2. medical information might be shared with pharmaceutical companies for them to offer discounted rates on user-specific medicines
  3. medical information like blood pressure, sugar level etc., will be helpful for a fitness company to target the user for a custom-made discounted fitness package
  4. medical records would be useful for an insurance provider to either stop an insurance pay-out or increase the premiums paid based on direct access to the user’s health report

And much, much more!

In addition one’s TV or set-top box might inform the dish service provider about the type of channels one often watches, such that the service provider could offer you a tailored package to renew the provider’s service. You might not even consider finding out what their competitors can offer! Of course, their competitors might well be following the same strategy with their own customers.

All of a sudden you might get an email from a famous detergent company about a discount sale on their brand of washing powder. That’s right, your IoT-enabled washing machine could have given away some information about your usage habits without your knowledge.

“So what?” “It is good anyway since we would save money and time.” You might say. Hold on one sec! There is also the annoyance factor … unsolicited messaging … spam!! That’s apart from the general leakage of personal information unbeknownst to you.

…to part4: IoT: What the Bad Guys do…

Image courtesy of:
internetmedicine.com

Senthil Velan
Manager,Vulnerability Research

If you wish to subscribe to our blog, please add the URL provided below to your blog reader: http://blog.k7computing.com/feed/

IoT: Your World at Somebody Else’s Fingertips?

Thursday, January 14th, 2016

Continuing from our previous blog ‘IoT: The World at your Fingertips’ that described the concept of IoT, here is the second part of this blog series that explains the security risks associated with IoT.

Already there are instances where numerous types of IoT devices have been successfully hacked and have been proven to contain security weaknesses. This information demonstrates the point that bad guys can own insecure IoT devices at will or at least retrieve sensitive data easily. Hence it becomes mandatory to be aware of the risks that are associated with IOT enabled devices.

Any device (mostly home appliances) that can be remotely controlled or monitored from the Internet is called an Internet of Things (IoT) device.

Before getting to know the risks of adopting IOT devices, it is important to know what information these devices could hold. One’s

  1. fitness tracker can hold important medical data about one’s health such as blood count, sugar levels, blood pressure, etc., and of course, in turn, one’s general fitness level
  2. pacemaker could carry data about one’s heartbeat
  3. microwave can hold information about cooking patterns and styles; what kind of dishes are cooked in general or on specific days; what food products are used most
  4. washing machine would hold information about clothes-washing patterns, usage of detergents, types of clothes, etc.
  5. TV will know most-viewed programmes, the type of advertisements watched often, the number of hours spent watching movies, etc.
  6. refrigerator can scan the barcodes of the items placed inside. And by scanning the drugs or medicines, the refrigerator could know one’s health profile. It would certainly know one’s eating habits

And much, much more! These are only a tip of the iceberg. The more IOT enabled devices one uses at home, the larger the quantity of private data to be stored on these devices or reported back to a remote repository.

If a stranger has access to Mr X’s IoT devices, he/she can find out Mr X’s lifestyle, Mr X’s food and diet preferences, the programmes Mr X watches often, the movies Mr X likes, the kind of clothes Mr X buys often, whether Mr X has high blood pressure, how Mr X’s health is likely to be next year. And what not?

In recent days this type of personal, private user information definitely yields money when sold on the market! How? Targeted advertising! This implies that IoT users need to be aware of good security hygiene and implement good security practices regularly in order to avoid potentially unpleasant situations post the loss of sensitive data.

…to part3: Privacy

Images courtesy of:
allinclusivemarketing.com
dreamstime.com

Senthil Velan
Manager,Vulnerability Research

If you wish to subscribe to our blog, please add the URL provided below to your blog reader: http://blog.k7computing.com/feed/