https://www.bleepingcomputer.com/news/security/new-atom-silo-ransomware-targets-vulnerable-confluence-servers/

Atom Silo, a newly spotted ransomware group, is targeting a recently patched and actively exploited Confluence Server and Data Center vulnerability to deploy their ransomware payloads.

Atlassian Confluence is a highly popular web-based corporate team workspace that helps employees collaborate on various projects.