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IoT devices have become part of our work and personal lives. Unfortunately, building security into these devices was largely an afterthought.
Another day, another hack. Whether it's a baby monitor used to spy on mother and child, or an FBI warning to reset home wireless routers due to Russian intrusion, the question continues to be: What's next?
Internet of Things (IoT) devices are part of both our work and personal lives. Unfortunately, building security into these devices was largely an afterthought — the ramifications of which we are now seeing on a near-daily basis. However, let's look beyond the headlines at the hidden costs of IoT security vulnerabilities. These fall into five categories: device security, intellectual property (IP) protection, brand protection, operational cost containment, and user experience.
Once hacked, some devices can do a disproportionate amount of physical damage. It all depends on the degree of criticality to the nation-state, community, or individual.
The agriculture industry, for example, is as valuable to a country as any other strategic asset, such as utilities, finance, or communications. Many big farms today are automated via field sensors and autonomous vehicles. Let's imagine that someone hacks the sensors to erroneously indicate that the corn is ready to be cut, even though it's three months too early. Or that a hack signals an autonomous tractor to spread too much fertilizer, burning and causing the loss of an entire crop. This potentially catastrophic hack, as well as the corresponding financial losses or risk to the nation-state and its citizens, seem endless.
It is highly recommended that you closely examine the security of your IoT devices via the lens of worst-case scenarios. Ensuring the integrity of the data coming from your remote sensors is especially important because this data drives automated decisions with long-term implications.
It's astounding how many organizations will spend millions of dollars on R&D and then put that valuable intellectual property on an insecure IoT device. In this case, a hack could mean the end of your business.
Now, let's presume that you are investing heavily in building sophisticated algorithms to enable machine learning, artificial intelligence, or facial recognition. As you look to deploy these proprietary algorithms for use in an IoT device, you are ultimately left with two choices: 1) Protect the algorithm in the cloud, forcing the IoT device to run back-and-forth to run the process and adversely affecting the customer experience, or 2) install the algorithm into the OS stack on the IoT device and risk a hack that steals your algorithm — essentially making you toss your entire R&D investment into the wastebasket.
Apathy and inertia are creating a sense of "hack numbness," though the consequence of turning a blind eye depends on where you sit.
Let's say you make devices that help protect or enhance the life of children, with cameras or microphones that are always on and always watching. Consider a hack on these devices, and the misuse of the information they have access to, now being consumed by unsavory characters.
This is a brand killer. No matter how noble your IoT device and its application, if you cannot protect children, the market will make sure your future is cut short.
Consequently, security can't be ignored because you became numb to attacks. This is especially true if you're in a business that requires your IoT devices to gather sensitive information. Couple this with an emotionally invested customer base, such as users of child-monitoring devices, and a hack will mean the end of your business.
Operational Cost Containment
Satellite time is expensive. Within the broadest construct of the many new IoT devices, some will have a component that relies on satellites for data communication. It does not need to be said (but I'll say it anyway) that satellite time is a very expensive path for data backhaul.
Imagine a hack where a botnet starts a distributed denial-of-service attack on a music-streaming server, which then causes the IoT device to start rapidly and overwhelmingly pinging the music streaming service. As the IoT device is battery powered and using satellite for its backhaul, every ping now statistically shorts the life of the IoT device.
This scenario serves as a double whammy of cost containment. If you're leveraging satellites in your IoT strategy, you must examine where potential vulnerabilities are because they could affect your overall costs of operation and maintenance.
As the saying goes, everyone has been hacked, but there are some who don't know it yet. While there may be no disruption of service at the time of a hack, what happens when there is some type of glitch?
Let's imagine that you get up one morning and ask Alexa to open the blinds, but they don't open. Now you have to check if there's Internet service into the house, and then confirm that the Wi-Fi network is broadcasting and that Alexa is enabled properly, and, finally, you have to ensure that the app for "my blinds" is connected and working. Considering how much time this could take, it would be quicker to get out of bed and just open the blinds manually.
Consequently, adding a path to ensure that the original code base is not corrupted through attestation, we can minimize the impact on the user with a highly secure device update, but the hidden cost is the impact on their time.
The world is catching on to the idea that IoT device security is of paramount importance. Frankly, if end users were affected in a meaningful way (say, something involving their TVs) through one significant hack, the demand for security would become "top of mind." The question is how many of these hidden costs will affect organizations while we work toward a more secure ecosystem.