Kaseya VSA vulnerability opens a thousand-plus business doors to ransomware – Blocks and Files

Kaseya’s VSA remote monitoring and management tool was used as an attack vector to inject ransomware into the systems of more than a thousand end-customers of some 30 managed service providers (MSPs) at the start of the USA’s Independence Day weekend.

A Kaseya statement explained: “Kaseya’s VSA  product  has unfortunately  been  the victim of a sophisticated cyberattack.   Due to our teams’  fast response, we believe that this has been localised to a very small number of on-premises  customers  only.“

VSA, the Virtual System/Server Administrator, is software used by Kaseya customers to monitor and manage their infrastructure. It is supplied either as a hosted cloud service by Kaseya, or via on-premises VSA servers. These SaaS VSA servers can be deployed by end-users or by MSPs. Kaseya sends out updates to these VSA servers and, on Friday July 2, an update was distributed that contained REvil…

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