Intrusions and disruptions in one infrastructure might provoke unexpected failures in others, which makes handing interdependencies a key concern.
For example, in 2003, the Northeastern American areas experienced a power outage that appears to have originated in the Midwest, and possibly from a tree branch.
[5] In 2013, damage caused by a sniper attack at an electrical substation in California threatened power distribution throughout Silicon Valley.
Sabotage in the form of cyberattacks can create havoc with computer, communication, and information systems, which could severely interrupt the electrical supply.
[citation needed] Meanwhile, maritime and offshore critical infrastructure sites can benefit from the deployment of satellite imagery, sensors, advanced patrol aircraft, autonomous underwater vehicles and anti-drone capabilities, among other solutions.