Chinese Government Hackers Exploit Security Flaw to Spy on Hundreds of Groups Globally

China-backed hackers likely behind mass-exploitation of security flaw in Barracuda Networks' email security gear
Hackers compromised hundreds of organizations, including almost a third of government agencies
Mandiant recommends affected gear be replaced due to deeper access gained by hackers
UNC4841 threat group attributed to the hacks, with an intelligence-gathering motivation
This is the broadest cyber espionage campaign known to be conducted by a China-backed hacking group since the mass-exploitation of Microsoft Exchange servers in 2021