Friday’s massive internet outage, caused by a mid-sized tech company called CrowdStrike, disrupted major airlines, hospitals, and banks. Nearly 7,000 flights were canceled. It took down 911 systems and factories, courthouses, and television stations. Tallying the total cost will take time. The outage affected more than 8 …

The Washington Post reports that the FBI had a decryption key for the REvil ransomware, but didn’t pass it along to victims because it would have disrupted an ongoing operation. The key was obtained through access to the servers of the Russia-based criminal gang behind the July attack …

Russia’s Sunburst cyberespionage campaign, discovered late last year, impacted more than 100 large companies and US federal agencies, including the Treasury, Energy, Justice, and Homeland Security departments. A crucial part of the Russians’ success was their ability to move through these organizations by compromising cloud and local network …