Looking into some of the more notable attacks on IoT devices shows how it can affect users. Threat actors can use vulnerable devices for lateral movement, allowing them to reach critical targets. Attackers can also use vulnerabilities to target devices themselves and weaponize them for larger campaigns or use them to spread malware to the network.
IoT botnets serve as an example that demonstrates the impact of device vulnerabilities and how cybercriminals have evolved to use them. In 2016, Mirai, one of the most prominent types of IoT botnet malware, made a name for itself by taking down prominent websites in a distributed denial of service (DDoS) campaign consisting of thousands of compromised household IoT devices.
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From a business perspective, IoT devices further blur the distinction between the necessary security of businesses and homes, especially in work-from-home scenarios. Introducing IoT devices to the household can open new entry points in an environment that might have weak security, exposing employees to malware and attacks that could slip into a company’s network. It’s a significant consideration when implementing bring your own device (BYOD) and work-from-home arrangements.