The attackers could be using the bugs to access “key networks" as part of data-exfiltration or encryption attempts, officials said.

It's a feeding frenzy.

CISA said the risk to federal and state networks was "grave."

Microsoft and the FBI are also investigating the breach of one of the most influential security firms in the world.

Access to a mobile device management server is gold for an attacker.

Researchers say they combined government data with their own findings to identify previously undocumented spyware.