Cisco Catalyst IE3400 Rugged Series switches

Cyberattacks on electric power utilities are on the rise. From 2020 to 2022, weekly attacks more than doubled. An attack that exploits a vulnerability in intelligent electronic devices (IEDs) like power distribution units, relay, and circuit breakers can turn off the lights in a neighborhood or entire city. On the surface, it seems simple enough to remediate vulnerabilities as soon as they’re reported—for example, by upgrading firmware. Fact is, detecting and remediating vulnerabilities in operational…