Zix is aware of a compromise that impacts Kaseya Limited, a software vendor that supports the Managed Service Provider (MSP) market through its VSA tools. More details can be found here:

Important Notice July 3rd, 2021 – Kaseya

Kaseya supply chain attack delivers mass ransomware event to US companies | by Kevin Beaumont | Jul, 2021 | DoublePulsar

Zix does not run any Kaseya software or systems.  We are reviewing and implementing proactive measures to harden our security based on the industry learnings from this breach.

Thank you for your continued support.