Microsoft Exchange

Rackspace has confirmed that it was hit by ransomware. The incident on December 2 affected its hosted Microsoft Exchange offering, leaving hundreds of thousands of customer email inboxes inaccessible. The scale of the attack is significant. Rackspace said its Hosted Exchange business generates $30 million in annual revenue – but has

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Exploited for a month. No detection in Sentinel, no patch yet. Mitigate urgently.

Threat actors have started scanning for exposed servers after POC shared.

NSA drops two critical Exchange bugs it has probably been sitting on for years...

"Attackers were observed cleaning up .aspx and .bat files to remove other attackers"

HAFNIUM campaign sees tens of thousands breached.