Hackers Exploit Unpatched SharePoint Servers to Deploy Ransomware and Custom Backdoors

Unpatched on-premises SharePoint servers have become a prime target for sophisticated threat actors using known security flaws to break in, plant ransomware, and leave behind hidden backdoors. These are not opportunistic smash-and-grab operations. They are calculated, multi-stage campaigns designed to stay inside a network for as long as possible, often without raising any alarms. The […]

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