The cyber insurance market has matured in recent years, but it may fall short when it comes to certain major attacks, says a US government spending watchdog. The US Government Accountability Office (GAO) has called for a federal response to insurance for "catastrophic" cyberattacks on critical infrastructure. A functioning insurance market is essential for businesses, consumers, and, as GAO highlights, for critical infrastructure operators. The GAO, which audits the trillions of dollars the