From zdnet.com
![Microsoft Exchange](https://zdnet4.cbsistatic.com/hub/i/2019/01/29/68bf4d8f-ba40-4a0d-8f69-4a4e3b72f5a7/ms-exchange.png)
Multiple government-backed hacking groups are exploiting a recently-patched vulnerability in Microsoft Exchange email servers.
The exploitation attempts were first spotted by UK cyber-security firm Volexity on Friday and confirmed today to ZDNet by a source in the DOD.
Volexity did not share the names of the hacking groups exploiting this Exchange vulnerability. Volexity did not return a request for comment for additional details.