Rackspace Blames Zero-Day Exploit for Ransomware Hit Success

Hosting Giant Says Microsoft's Patch Notes Didn't Detail Remote-Code Execution Risk
Rackspace says the ransomware-wielding attackers who disrupted its hosted Microsoft Exchange Server environment last month wielded a zero-day exploit, described by CrowdStrike as being "a previously undisclosed exploit method for Exchange," to gain remote, direct access to servers it hosted.

access attackers code code execution crowdstrike environment exchange exchange server exploit hosting microsoft microsoft exchange microsoft exchange server patch rackspace ransomware server servers zero-day zero-day exploit