Also noted
Published 8 August 2011
Hackers attack critical infrastructure systems * Preparing for cyberwar * Threats to physical infrastructure * GAO: critical infrastructure vulnerable * Defense chief warns of a cyber “Peral Harbor”
Hackers find “back door” to critical infrastructure systems
Cybersecurity experts ignoring physical infrastructure threats
GAO report: critical infrastructure still vulnerable
Defense chief: cyberattack could be a “Pearl Harbor”