Tens of thousands of US organizations hit in ongoing Microsoft Exchange hack

From arstechnica.com

A stylized skull and crossbones made out of ones and zeroes.

Tens of thousands of US-based organizations are running Microsoft Exchange servers that have been backdoored by threat actors who are stealing administrator passwords and exploiting critical vulnerabilities in the email and calendaring application, it was widely reported. Microsoft issued emergency patches on Tuesday, but they do nothing to disinfect systems that are already compromised.

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