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The ProxyLogon/Hafnium Exchange hack now packs a Ransomware threat. Are you prepared?

The massive vulnerability in unpatched Microsoft Exchange on-prem installations now provides attackers with an easy entry for their ransomware.

By ownCloud

Ransomware Protection

A lot of IT managers currently suffer from Microsoft Exchange server vulnerabilities known as ProxyLogon/Hafnium that expose networks to malicious interference. Analysts have first seen the attack chain in early January. Microsoft has published patches and a warning in early March.

The threat from the ProxyLogon/Hafnium Exchange vulnerability evolves

While we are not in the business of protecting Exchange Servers, we are in the business of keeping files safe. In mid-March, Microsoft reported that the ProxyLogon/Hafnium vulnerabilities were now exploited for ransomware attacks.

Once a network is breached using the ProxyLogon/Hafnium attack chain, intruders can leave backdoors, delete back-ups, install crypto miners and encrypt files.

Protect your Organization against Ransomware

ownCloud Enterprise offers comprehensive prevention, detection and damage control to successfully handle such situations. With our Ransomware Protection app, admins automatically block a large number of known techniques, and quickly flag anomalies. If need be, admins can use it to restore all files to the status quo ante, optionally on a per-user-basis.

Learn more about ownCloud’s Ransomware Protection!

ownCloud

March 24, 2021

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