In recent years, IoT has been on the rise, with billions of new devices getting connected each year. The increase in connectivity is happening throughout markets and business sectors, providing new functionalities and opportunities. As devices get connected, they also become unprecedently exposed to the threat of cyberattacks. While the IoT security industry is still shaping, the solution is not yet clear. In this article, we will review the latest must-know about IoT visibility & security and we will dive into new approaches to secure the IoT revolution.
IoT visibility & security in 2019:
1. IoT endpoint security vs network security
Securing IoT devices is a real challenge. IoT devices are highly diversified, with a wide variety of operating systems (real-time operating systems, Linux-based or bare-metal), communication protocols and architectures. On top of the high diversity, comes the issues of low resources and lack of industry standards and regulations. Most security solutions today focus on securing the network (discover network anomalies and achieve visibility into IoT devices that are active in the network), while the understanding that the devices themselves must be protected is now establishing. The fact that IoT devices can be easily exploited makes them a very good target for attackers, aiming to use the weak IoT device as an entry point to the entire enterprise network, without being caught. Besides that, it’s important to remember that network solutions are irrelevant for distributed IoT devices (i.e., home medical devices), that has no network to protect them.
Manufacturers of IoT devices are therefore key for a secure IoT environment and more and more organizations are willing to pay more for built-in security into their smart devices.
2. “Cryptography is typically bypassed, not penetrated” Shamir’s law
In recent years we see a lot of focus on IoT data integrity, which basically means encryption & authentication. Though very important by itself, it’s important to understand that encryption doesn’t mean full security. When focusing mainly on encryption & authentication, companies forget that the devices are still exposed to cybersecurity vulnerabilities that can be used to penetrate the device and receive access into the decrypted information, thus bypassing the authentication and encryption entirely. In other words, what’s known for years in the traditional cyber industry as Shamir’s law should now make its way to the IoT security industry: “Cryptography is typically bypassed, not penetrated” and therefore companies must invest in securing their devices from cyber attacks and not just handle data integrity. To read more about that, please visit Sternum IoT Security two-part blog post.