Connected and Compromised: When IoT Devices Turn Into Threats

Dark Reading

by Arielle Waldman

February 19, 2026

AI-Generated Deep Dive Summary

Connected IoT devices are becoming increasingly common in homes and offices, but their growing presence is accompanied by significant security risks that many users overlook. Devices like Amazon Echo, Apple TV, smart refrigerators, and even Roombas often lack robust security features, such as encryption or secure default settings. These vulnerabilities make them easy targets for cybercriminals, who can exploit these devices to gain unauthorized access to networks or steal sensitive data. Mattia Epifani, a cybersecurity expert at the SANS Institute, has conducted extensive research on IoT devices, highlighting their alarming lack of security measures. For example, many IoT devices cannot be password-protected, leaving them exposed to potential breaches. This is particularly concerning in enterprise environments, where IoT devices may share the same network as critical systems. If an attacker compromises one device, they can potentially move laterally within the network to access more sensitive data or systems. One major issue is the reuse of credentials across multiple devices and accounts. Users often apply the same passwords to their IoT devices as they do to other services, creating a weak link that attackers can exploit. Additionally, many IoT devices store sensitive information, such as audio recordings or Wi-Fi passwords, in insecure ways. Even encrypted data on Apple devices isn’t fully protected if the encryption doesn’t depend on a strong passcode. This means that discarded or resold devices could still pose risks, as attackers might retrieve stored data from them. The consequences of these vulnerabilities are severe. Attackers can use compromised IoT devices to launch broader attacks, such as stealing network credentials or accessing sensitive files stored in unencrypted formats. For instance, smart cameras and other surveillance devices often serve as entry points for cybercriminals due to their outdated software and lack of protection. Once inside a network, attackers may harvest data that could be used for identity theft or unauthorized access to other systems. As IoT adoption continues to grow, the need for stronger security measures becomes increasingly urgent. Users and organizations must prioritize securing these devices by implementing strong passwords, enabling encryption, and segregating IoT devices on separate networks. Without addressing these risks, the convenience of connected devices could turn into a significant liability, leaving users and businesses exposed to costly and damaging breaches.

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Originally published on Dark Reading on 2/19/2026