CNA shares details about ransomware attack, recovery effort
CNA said it had restored email function and implemented new security measures.
Ransomware hackers turn to virtual machine software to boost extortion schemes
Two Eastern European criminal groups began targeting hypervisors in 2020, according to CrowdStrike.
Senate hearing on SolarWinds hack lays bare US shortcomings, remaining mysteries
Fundamental questions, like how the SolarWinds hackers got into its systems from the start, still aren't answered.
SolarWinds details stealthy code used to launch hacking campaign
The discovery adds to the public understanding of one of the most complex digital espionage operations in recent memory.
Microsoft alerts CrowdStrike of hackers' attempted break-in
Another major cybersecurity company finds itself responding to the year's biggest challenge.
As FireEye grapples with breach investigation, questions remain
The cybersecurity community and Capitol Hill are watching closely.