Remove Authentication Remove LAN Remove Operating System Remove Systems Administration
article thumbnail

Behind the Scenes: How We Picked 2021’s Top Vulnerabilities – and What We Left Out

Tenable

Pulse Connect Secure authentication bypass. Chief among them in 2021, Kaseya Limited announced on July 5 that three zero-day vulnerabilities in its Virtual System Administrator (VSA) remote monitoring and management software were exploited in a large-scale ransomware attack later tied to the REvil ransomware group. Description.

Windows 143