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 […] The post Hackers Exploit Unpatched SharePoint Servers to Deploy Ransomware and Custom Backdoors appeared first on Cyber Security News.