Skip to content


IoT Security Weaknesses


Weaknesses for Security in IoT

Table of content

The Internet of Things (IoT) is essentially a network of devices that are interconnected to function as a larger unit. At home, you might have your alarm clock trigger your toaster to prepare a piece of toast or or your coffee maker a cup of java by the time you get downstairs. At the office, though, the stakes are a little higher. We’ll look at how IoT works, its security weaknesses, and how to be proactive about protecting your systems.

IoT Proliferation

IoT relies on sensors to both gather data and act on it. Because it offers new, more efficient ways to conduct business, it’s quickly grown in popularity. In fact, many employees might be surprised at the complexity of the web in even smaller offices. The IoT can create new revenue streams and optimize the customer experience without risking a company’s budget. However, because there’s so much information being collected and so many interconnected devices, the odds that one of the devices will be compromised rises exponentially.

IoT Security Weaknesses

In many ways, the risks of IoT are innumerable. Every new feature or device introduces multiple pathways for a scrupulous hacker to exploit. Criminals love to see businesses use IoT devices because it makes it that much easier for them to find their way into a company’s system.

Now that more people are working from home than ever before (and using many of their own devices to do so), it’s no wonder attacks are on the rise. Right now, the Dark Web (AKA the haven for cybercriminals to discuss tactics) is rife with discussions on network vulnerabilities and the best ways to take advantage of them.

Why are IoT devices so targeted? The answer is simple human error. When developers are designing hardware and software for these devices, it’s relatively easy for them to make an error. The problem is that the risk multiplies when these products are then connected to so many additional devices.

Successful ones will run periodic updates to correct these issues, but no buyer should count on the developer finding the problem before they do. The most common threats in IoT include:

  • Poor defaults: We may not think very much about the default settings on devices, but criminals certainly do. If they’re inadequate, it’s an easy ‘in’ for hackers.
  • Faulty upgrade paths: If you can’t run an update on firmware, it’s probably because the pathway is inaccessible. This will introduce risk not just to the firmware, but to the entire network.
  • Excess computing power: Many organizations will invest in powerful technology, and only utilize about a 10th of its capabilities. This is wasteful for a company, but not for a hacker. They can turn all that unused power against a company pretty quickly.

IoT hacks take place all over the world and to organizations of all sizes, and the consequences can be vicious. In 2018, a variety of countries were unable to access the internet when a bot flooded the network with excess traffic. In 2010, hackers disabled devices used to make nuclear material in Iran. In 2017, cybercriminals attacked implanted pacemakers. They could not only steal information from it, they could actually change the settings of a device that kept people alive.

What You Can Do to Protect Your IoT Devices

When you use IoT, being proactive is your only option. Keeping attackers at bay starts with the following:

  • Implementing centralized protection: Companies are often used to cybersecurity being done piecemeal, based on anything from the brand to the age of the device. However, leaders are quickly learning that this is an unsustainable approach. The reality is that there needs to be a top-down solution that can cover everything connected.
  • Investment in cybersecurity innovation: Much like IoT, entire organizations are willing to collaborate with each other and share data with one another, but all that connectivity is often met with a lack of corresponding spending on the security side of it. If data governance breaks down at any stage of the way, the results can be disastrous.
  • Don’t wait for standards: Someday, we’ll have active standards that address these problems on a worldwide scale, but experts warn us all not to hold our breath. Even without formal guidance, though, the reality is that organizations are still responsible for keeping information safe and systems up and running.

The strengths and weaknesses for security and privacy in IoT depend on the system you have. While there’s no such thing as preventing all attacks, it pays to mitigate threats to an IoT network by paying more attention to your processes and systems. The more vigilant you are, the fewer problems you’ll have.

Download the CIO's Ransomware Checklist.


Recent Tweets


Want the latest IT insights?

Subscribe to our blog to learn about the latest IT trends and technology best practices.