Novel backdoor persists even after critical Confluence vulnerability is patched

A new backdoor was this week found implanted in the environments of organizations to exploit the recently disclosed critical vulnerability in Atlassian Confluence. The backdoor provides attackers remote access to a victim, both its Confluence server and other network resources, and is found to persist even after Confluence …

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No wonder Atlassian want to switch-off on-prem

Then they don't have to fix this at all.