Europe's biggest cybersecurity threat isn't hackers.

• Position: CYBERSECURITY - Brief article

The European Network and Information Security Agency (ENISA) learned valuable lessons when it conducted its largest-ever cybersecurity exercise a few months ago. The test involved more than 200 organizations and 400 cybersecurity professionals from 29 European countries simulating more than 2,000 separate cyber attacks, including denial-of-service attacks, website defacements, exfiltration of sensitive information, and attacks on critical infrastructure.

ENISA learned that the greatest threat Europe faces is not cyber espionage, cyber warfare, or cyber terrorism, but rather hardware and software failures. One of the major challenges to solving infrastructure weaknesses is that each country approaches it differently.

"The sophistication and volume of...