New ransomware is being used to target unpatched Microsoft Exchange servers

Attackers are using a new strain of ransomware to target unpatched Exchange servers.



What you need to know


A strain of ransomware called DearCry is being used to target unpatched Exchange servers.
Microsoft has released patches for Exchange servers, but some organizations have not patched systems yet.
Check Point Research reports that exploitation attempts doubled every 2-3 hours over a recent 24-hour period.


While Microsoft has rolled out emergency patches to address vulnerabilities on its Exchange server software, many systems remain unpatched. Attackers are now increasingly going after unpatched systems. A strain of ransomware called DearCry is being utilized by attackers to target unpatched on-premises Exchange servers (via ZDNet).

Microsoft has detected and is now blocking the new family of ransomware, but it's still vital for organizations to patch their servers and take other security measures.

The Microsoft Security Intelligence Twitter account discussed the ransomware...