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IoT Security

What Kind of WiFi Protected Access Should You Use to Secure Your Enterprise?

By | BYOD Security, Cloud Security, IoT Security, Network Security, Portnox Technology | No Comments

When examining WiFi security, the first layer of defense is the method being used to authenticate to the network. The most widely used methods of authentication are Open authentication, WPA2-PSK (Pre-Shared Key) and WPA2-Enterprise (read more about WPA protocols below).

authenication typesOther authentication methods such as WEP (Wired Equivalent Privacy) and WPA-PSK (without the 2, also referred to as WPA-Personal) are used as well, but they are relatively easy to hack, and therefore are not really worth mentioning, besides making a general note here – to utterly avoid them.

Open Authentication

As the name implies, an open authentication network allows access to all, and users are not required to authenticate at the association level. It is important to know that open networks are not encrypted, and so everything transmitted can be seen by anyone in its vicinity.

The best security practice is to completely avoid connecting to open networks. If there is an immediate need to connect, it is best not to allow devices to connect automatically but rather to select the network manually in the device settings. Open networks are easily forged, and hacking tools such as Pineapple use the fact that mobile devices are constantly searching to connect automatically to an open network. These tools perform Man-in-the-middle attacks to steal data such as passwords, credit cards, etc.

wifi networks

WPA / WPA2 / WPA3

WPA stands for WiFi Protected Access. This authentication method uses different encryption algorithms to encrypt the transport. Therefore, this type of network cannot be forged easily, unlike open networks, and users get privacy. Today, WPA2 is probably the most commonly used method to secure WiFi networks.

Sadly, WPA and WPA2 protocols have been hacked and are considered to be less secure. Performing a WPA2 hack requires a lot of time and is somewhat theoretical. Slowly, we are noticing a move to the WPA3 method, but for that to happen, different infrastructure is needed to support that protocol.

WPA2-PSK

WPA2-PSK (and WPA3-PSK) is WiFi Protected Access (WPA) with a Pre-Shared Key. In simple terms, it is a shared password to access the WiFi network. This method is commonly used for home and small office WiFi networks. Even in a small office setting, using this method is problematic, because each time an employee leaves the company, the password must be replaced; otherwise, the former employee could still connect to the company WiFi.

Furthermore, employees tend to share the password with guests, visitors and contractors in the building, and you shouldn’t have the whole building connecting to the internet at your expense, risking the security of your data and assets in the process.

WPA2-Enterprise

This method, also referred to as WPA-802.1X mode, authenticates to WiFi by using different identities instead of a single password. An identity can be credentials (user + password) or it can be a digital certificate.

This authentication method is better suited for enterprise networks and provides much better security for wireless networks. It typically requires a RADIUS authentication server as well as a configuration process to different repositories, enabling the organization to authenticate different types of endpoints.

The underlying protocols to secure the authentication vary between different Extensible Authentication Protocols such as EAP-TTLS / EAP-TLS, EAP-PEAP, each one representing a different type of authentication method and level of security.

With WPA2-Enterprise one can use advanced features such as assigning each endpoint after authentication to a specific VLAN or assigning ACLs (Access Control Lists) to specific sections. Additionally, enterprises can audit the connection with additional details. These features are important as they allow enterprises to properly secure their wireless networks and to make sure that they are compliant with security best practices.

Portnox CLEAR

CLEAR is a SaaS, cloud-delivered, WiFi access control solution that allows you to secure your WiFi based on WPA2/3-Enterprise, using personal identities or digital certificates. CLEAR supports a wide range of authentication providers, from on-premises AD through cloud providers such as GSuite and Azure AD. CLEAR comes with a cloud-RADIUS, therefore there is no overhead, as there is no equipment to install or maintain. It requires no training or skilled personal to deploy and operate. In less than 10 minutes, large and small companies are deploying CLEAR’s enterprise-grade Wi-Fi security.

See a Demo of CLEAR – Please fill out this form:



Top 5 Proactive Solutions to IoT Security Challenges

By | IoT Security, news | No Comments

In his latest article, published IoT Agenda, Portnox CEO, Ofer Amitai, discusses the best practices to overcome the security vulnerabilities in IoT devices.

“There are so many vulnerabilities in IoT, and hacking IoT devices is so easy that we must proactively seek security mechanisms now rather than wait for more disasters or emergency situations to force reactive responses. The solutions mentioned here will go a long way in preventing some of the disastrous breaches we have witnessed in recent years.”

 

Now available via IoT Agenda.

Read the full article here.

Internet of Threats – Managing Risk & Governing it

By | IoT Security, news | No Comments

June 2018 was an important month in moving the conversation forward on IoT security legislation in the United States.

Portnox’s CEO, Ofer Amitai, shares his insights on this topic, looking at the progress in IoT security regulations, explaining why government agencies and organizations need to get involved and enforce IoT security laws.

The implications for consumers and manufacturers are noteworthy as well. IoT devices are found everywhere and are extremely easy to hack thus placing corporate and personal data at risk.

“There are so many vulnerabilities in IoT, and hacking IoT devices is so easy that we must proactively seek solutions rather than wait for disasters or emergency situations to force reactive responses.”

Published in IoT Agenda.

Read the full article here.

The IoT Security Revolution is Upon Us

By | IoT Security | No Comments

It is a long-known fact that most IoT manufacturers neglect IoT security while designing their devices and machines. If you are still amongst those who do not hold this view point, please join our webinar showing just how easy it is to brute-force IP security cameras by using hacking methods that are practically as old as those used in the 90’s. I also recommend catching up on the 2015 Jeep hack and the St. Jude Cardiac Devices hacks that started occurring in 2014. These hacks prove that even companies dedicated to life-saving technologies, often neglect to produce the necessary security measures to go with them.

Register for The Live IoT Hack Webinar

While attending BlackHat 2018, I saw a few jaw-dropping demonstrations. One of these demonstrations was on ATM break-ins. Typically, one might expect a machine containing money to have a more robust security system protecting the cash therein; and yet, the machines were broken into. Additionally, I attended demonstrations of hacks into crucial medical devices and medical networks that are instrumental in keeping people alive.

It was astonishing to find out that companies manufacturing medical devices such as implants, insulin therapy devices (radio-based devices) and pacemakers, completely ignore current security research. One example for this research is the extraordinary work done by Billy Rios & Jonathan Butts (in their free time I might add) in which they discovered many IoT vulnerabilities. This research will no doubt make our world a much safer place.

It was no less appalling to discover the deep contrasts existing between cloud security standards and IoT security standards; or rather, the lack-thereof. Cloud-based enterprises are applying major security standards such as SOC2 to ensure the security of cloud infrastructure and turning certain working procedures into the standard requirement for all. Simultaneously, when it comes to IoT devices, we are living in the proverbial wild west. There are currently no official industry security standards for IoT. In the healthcare industry physicians prescribing the use of these devices have no understanding of their lack of security and I don’t believe that they should be required to have it. However, at this point in time, it is a life-preserving piece of information to know that these devices have feeble security mechanisms in place and are therefore targeted for hacks.

All of this is taking a positive turn as Ijay Palansky, an attorney, stated in his presentation at BlackHat; with the first IoT related lawsuit being launched against Jeep, following the vulnerability discovered back in 2015 that had allowed a remote attacker to control the car’s steering and brakes.

The impressive aspect of this lawsuit is that while no car was damaged or controlled by the attackers beyond the proof-of-concept, there is still a legal bases on which to build the case. Even if FCA US LLC (Jeep’s brand owner) were able to successfully defend itself as far as the damage caused, this case will cause tremendous damage to the company in reputation and in dollars lost.

This lawsuit should be viewed as a striking warning sign for companies manufacturing IoT devices while ignoring security vulnerabilities. This practice will no longer go unnoticed. Manufacturers will have to take responsibility for securing these devices or face the consequences. Hopefully, we are at the beginning of a new security revolution for IoT devices, leading eventually to a healthier and device-secured world.

Looking for better IoT visibility and control? Look no further.
Now, there is another way. Portnox CORE offers a solution that allows for simple implementation, without compromising on security across the enterprise, allowing for visibility, control and segmentation options for IoT devices via a simple network access control solution.

Using Blockchain to Solve IoT Security – PART #2

By | IoT Security | No Comments

In his recent thought-provoking lecture at InfoSec Europe 2018 and in his recent article, Ofer Amitai explained that in the future blockchain technology could play a significant role in achieving increased security for IoT (Internet of Things) devices and machines due to its decentralized ledger and peer to peer communications that suit IoT machines communicating amongst themselves without human intervention. He outlined a few futuristic scenarios which he believes will become a part of our normal life routine within 5-10 years and that it will be crucial to have outstanding and solid trust-protocols to be set in place so that this future can operate seamlessly and securely. The recent lecture and article had brought up a few questions that were posed to Mr. Amitai, and in part 1 of our conversation Ofer discussed the benefits of the centralized ledger for IoT device security and privacy, as well as other forms of machine to machine communications that will be at play in the near future.

Q: Some peer to peer communications is already happening today, correct?

Amitai: “The best example at the present is Space X landings that are happening via communications between machines – the rocket returning to earth communicates directly with the raft it needs to land on, whether at sea or on land, and it happens without human intervention.
Peer to peer communications is available also within the field of consumer services. For example, I can request Alexa to play a song on Spotify. If I tell Alexa to call my phone there are two electronic components communicating.

The more we fill our spaces with physical IoT devices and machines we will see more peer to peer communications. Still, at the end of the day it is always a person who consumes a service of some sort. IoT and all of these things are designed to serve a human requirement, even if in a remote or roundabout way.”

Q: When speaking about eliminating the ‘men in the middle’, there arises a concern that along with AI these technologies could, at some point in the future, supersede humans making the decisions as far as policy making. Most people would prefer that humans be setting policy. How can we make sure that AI/IoT remain technologies in our service and not the other way around?

Amitai: “That issue is more prevalent with AI, but IoT decision-making would have moral issues as with AIs. There is a philosophical and moral dilemma there related to decision making. For example: if there is an autonomous car that is about to be in an accident, and the computer sees someone is crossing the street but that around the corner, if it avoids one person it would hit the other – the machine needs to calculate what to do, who should it hit?
With autonomous IoT we could have moral dilemmas such as who makes these decisions? Whose life is worth more? Will they calculate age?

The challenge exists also with issues that are not life and death. An autonomous car could decide to fill up on its electricity charge before picking me up from work for example, calculating that it is more important so that I don’t have to wait in the car while it is happening, but then picking me up later from work.

The potential future complaint with IoT might be that machines could eliminate jobs that are currently filled by people. So if I have a chlorine meter in municipal pools in the city, then it could eliminate a job that in the past was filled by a person who went from pool to pool and measured acidity levels.
I believe that the issue in general will be the anticipated reduction in the number of available jobs, the question is – can we create new jobs in their place? Or perhaps humanity’s future is to enjoy all the good and have machines do the work.”

Q: You speak of having a “trust score” that would allow IoT devices and machines to assert if they should allow transactions. Who would be the people or organizations to create this trust score? Would it operate on a country-wide scale? On a global scale? What currency should be used?

Amitai: “Generally speaking, I believe that cryptocurrencies and normal credit cards could be used – each country will have its own cryptocurrency – like a crypto-dollar, a digital dollar, and the future will go to cryptographic coins – country currency will allow countries to continue regulating what goes on in their country, allowing everybody to do transactions without ‘men in the middle’. That is the greatness of the blockchain and the advantage of cryptocurrencies in general, the country would still control and regulate for governance purposes.
We can imagine many government applications with blockchain technology but I believe that most of the applications for government will be half-centralized – as there will still be central governance; for example a ledger for land – when people agree that the data should be kept on a decentralized ledger – someone needs to manage the protocols and write the program – just as Bitcoin manages its protocols and writing the programs – these parts I believe will remain centralized- the government will be responsible for writing the program, and setting the rules of the game; and the good part here is that I do not require a government office to handle the back and forth transactions and communications, as with credit cards, approvals, bank personal identification numbers, authorization points, etc.”

Q: Will there be any connection between what you do at Portnox and Blockchain-of-things technology in the future?

Amitai: “Probably not. Our interest is at the level of thought-leadership and we do actually provide network security for IoT devices. While Portnox does have solutions for monitoring and managing network security for IoT devices, I doubt that we will be researching blockchain solutions at the moment.

In the end of the day, As IoT devices and machines become more integrated in our day-to-day lives and are incorporated in our working environments, there is an increasing risk that individuals and organizations would try to take over those devices and machines and we need to be prepared. There is a fear there that could potentially hold back technological advancements, and that’s not the answer either. Solutions must be found to work through the challenges. That’s what we do. There are always solutions. For example, some people are concerned about being seen involuntarily through their webcam in their laptop, so there is a small plastic cover for that, it looks like a little window. Soon, this window will be a built-in component in laptops as part of their manufacturing process. This is a real concern that consumers have, and there will be creative solutions that will be embedded into all technologies.”

Using Blockchain to Solve IoT Security – PART #1

By | Cloud Security, IoT Security | No Comments

In his recent thought-provoking lecture at InfoSec Europe 2018 and in his recent article, Ofer Amitai, CEO and co-founder of Portnox Security, explained that in the future blockchain technology could play a significant role in achieving increased security for IoT (Internet of Things) devices and machines due to its decentralized ledger and peer to peer communications that suit IoT machines communicating amongst themselves without human intervention. He outlined a few futuristic scenarios which he believes will become a part of our normal life routine within 5-10 years and that it will be crucial to have outstanding and solid trust-protocols to be set in place so that this future can operate seamlessly and securely. The recent lecture and article have brought up a few questions that have been posed to Mr. Amitai, and in his answers he continues to outline notions regarding our global technological future.

Q: Regarding blockchain tech being “tamper-evident” – If the goal is to use an IoT device to start a DDoS attack, criminal theft, etc., couldn’t the cyber offenders still get away with what they wanted to do?

Amitai: “I believe hackers could check which devices do not have the latest software and security updates, according to the ledger and those potentially might be a target via the identity of the device. In a situation where an IoT machine has verification of the latest update, then it is less likely to be hacked.

The blockchain will create a new data base of IoT devices: it doesn’t mean that you can locate the device, but just by looking at the ledger you can map the devices that are not updated, and hackers could potentially use that for their advantage, knowing which machines don’t have the latest security patches, updates, etc. Then again, if the IoT security programmers are using that ledger to create a trust score, then it wouldn’t help hackers because those devices would have a low trust score and ideally, they wouldn’t be able to transact with most other machines. There would be a race here between the IoT devices to become updated, and cyber offenders wishing to hack and get into the devices.

The Identity on the ledger should uniquely identify the machine, but still keep it safe and anonymous on the ledger – so you wouldn’t know how to communicate with that device just by looking at the blockchain, or be able to pin point it physically, so they have some level of anonymity. You won’t be able to use it like Shodan to hack IoT devices and machines.”

Q: In your lecture at InfoSec Europe you mentioned that within 5-10 years IoT connected devices and machines will be performing transactions on our behalf. Where else do you see this happening? In which industries? Where in the world?

Amitai: “I believe we will see it in the area of virtual assistants, so you’ll have a lot of machine to man transactions, and also machine to machine, such as ‘please book a hotel for me online’; ‘get me a taxi please’, and the taxi is an autonomous car, and so the virtual assistant communicating with the autonomous taxi would be machine to machine communications; tourism and booking trips; transportation; hospitality. Did you see the new Google virtual assistant launch? Well in the future the conversations will be between machines.

IoT household machines for example – the fridge in your home orders items from the grocery store that will deliver everything, without humans being involved. And it will be interesting to see logistically how those deliveries take place, what types of physical infrastructure will have to be in place for that to happen.

Predictive maintenance is where a machine will order components like a battery that will arrive there, in order for the machine to fix itself! In other words, machines will notice when their battery isn’t going to recharge anymore and take actions to order a new one. So machines will be able to fix themselves.

Pizza delivery – if I have a lot of connective points with IoT cars and smart city traffic lights I know how fast the pizza will arrive – the more data points I have, the more I can predict how fast the deliveries will reach any point in the city.

It is interesting to see what happens with big shipping like ZIM containers in the future. Companies are already working on autonomous ships. Typically, you have a whole crew of people manning supply ships. It’s a big operation and those ships and crews are in danger of being kidnapped… then ransom is demanded, and if ships are working autonomously, then sure, people could still try to steal them or goods from them, but then you don’t have to worry about human lives, you can hookup security cameras all over the ships, and if someone comes to steal anything you could deploy law enforcement but at least human beings wouldn’t be in harm’s way. So potentially this type of piracy would disappear from the world.

Think about parking lots. In the future, your car could drop you off at work, and then go find a parking space on its own. If the car has a good trust score it will be granted access without an issue. Then it could come back to pick you up at the end of your work day.

In the end we want to have automation of processes and have less interaction as humans with machines, especially in supply chain and manufacturing, where there are areas of friction with humans. The less people are involved – the smoother it will be.”

We will continue our exciting conversation with Ofer Amitai in part 2, in which Ofer will discuss examples of machine to machine communications that are already in use today; policy setting and the need to be prepared for the new security risks of tomorrow.

Is Blockchain The Answer to IoT Security?

By | IoT Security, news | No Comments

Blockchain is considered one of the most promising technologies for the future and it could- and should- be the answer to device-to-device communication and authentication for IoT devices. Portnox’s CEO and Co-Founder Ofer Amitai, shares his insights on Blockchain and IoT, looking at how blockchain technology can play a huge role in achieving increased security, reliability and trust in IoT networks in the future.

Published in IoT Agenda.

Read the full article here.

IoT ip camera

Why is It So Easy to Hack an IP Security Camera and Any IoT Device?

By | IoT Security | 2 Comments

A home or office that has connected IoT (Internet of Things) devices or machines is actually full of possible weak spots for hackers, and, ironic as it may be, security cameras are often at the top of that list. It is up to us, the end-users, to reduce the threat. While cameras are storing security video to prevent crime or corporate espionage, hackers are quietly able to brute-force their way into many devices and turn them into an army of attack soldiers, as was the case in the October 2016 massive Dyn Cyberattacks that affected large chunks of the United States and Europe.

Security cameras are connected to the Internet so as to allow users remote access, along with anyone else they need to let in. This feature lets users check in on security cameras when no one is at home or at the business, and allows manufacturers to update device software without having to make house calls. The convenience and brilliant simplicity notwithstanding, this very feature that is the essence of all IoT devices is actually a cyber-bug. IoT devices are easy to connect to remotely by just about anyone, and unfortunately, not just by the people one would wish to share access with.

Yes, it really is that easy.

All Internet connected devices have IP addresses and therefore can easily be found on search engines such as Google and Shodan (a searchable registry of IP addresses with information about connected devices). Hackers can find thousands of hackable devices such as cameras just by entering a few search terms, and armed with this information they move to the actual breaking in.

Additionally, IoT devices typically come with default passwords, and many users, even after the 2016 Dyn Cyberattacks, stay with the default settings and do not bother to set a unique username and password. Hackers can find lists of vulnerable devices and try out default passwords. If those have never been changed – they are in. Even if the passwords have been changed, hackers can use SSH and telnet services that unfortunately allow hackers to force their way into devices, since changing a device’s web app password typically does not guarantee that the password coded into the device has been updated.

According to Flashpoint (a cybersecurity company), in the 2016 Dyn attacks, hackers inserted Mirai, malicious malware that allowed the use of at least 100,000 IoT devices as soldiers in a botnet (zombie army), including printers, IP cameras, residential gateways and baby monitors. This botnet was used to send thousands of junk requests to Dyn, a company that manages web traffic for many prominent websites such as Twitter, Amazon, Netflix, and Reddit, who were knocked offline by the attack. Dyn couldn’t separate the legitimate requests from the junk, and consequently internet users in the US were cut off from these websites, which is the definition of a DDoS attack (Distributed Denial of Service). This example, though extreme, shows the potential vulnerabilities that unknown and unmanaged IoT devices can cause a network.

Securing IoT devices in two steps:

Step 1: Visibility

With the number of IoT devices entering the enterprise network, it is challenging to keep track of them. Without network visibility, it is impossible to see, manage, control and secure the network, and the risk for breaches increases. Clearly the first step in securing IoT devices is making sure that they are seen and acknowledged as existing on the network. IoT devices in the enterprise could include time-attendance clocks, smart TVs, temperature gauges, coffee makers and the above mentioned IP cameras. To minimize the risks, once identified on the network, there should be a centralized control mechanism that would enforce updates of the latest patches in security software.

Step 2: Network Segmentation

Once an organization has established complete visibility and centralized management across the network, it is crucial to segment all valuable enterprise data and establish controls to protect the expanding IoT surface. IoT devices should be on a separate network segment from the organization’s mission critical systems or data, including segmentation from devices such as laptops, PCs, tablets and smartphones containing enterprise data. Segmenting into secured network zones should be automated and then firewalls must be deployed between these segments to prevent IoT devices from reaching enterprise assets. With intelligent and automated segmentation, the enterprise increases ROI from its existing detection technology, making it more accurate and effective. Thus, even if IoT devices are breached, it shouldn’t expose enterprise assets along with them.

Conclusion – Using Intelligent Network Access Controls (NAC)

For the foreseeable future, it appears that cyber offenders will continue to take advantage of IoT vulnerabilities, but there is no reason for today’s enterprise to sit back and do nothing. All of the steps mentioned above and more can be achieved by using Portnox NAC solutions. Having full network visibility to identify devices on the network, followed by a layered and automated approach will allow the enterprise to secure these devices and respond to any potential breach, keeping important assets protected.

Want to see just how easy it is to hack an IP camera?
There are just a few steps required to perform a live hack of an IoT device, and without proper network segmentation, the consequences could be disastrous.
Once you have seen just how easy it is, check out more information on integrating connected devices into your network in the optimal way for security as well as ease of use purposes.