Homeland Security (ICS-CERT) released a fact sheet this past week about the WannaCry ransomware infections. This fact sheet provides information on how the WannaCry program spreads, what users should do if they have been infected, and how to protect against similar attacks in the future. I have had quite a few computer users at home ask me about WannaCry due to seeing it talked about in the news. The key protection point to Wannacry is to make sure you keep your systems patched.
WannaCry is ransomware that contains a worm component. It attempts to exploit vulnerabilities in the Windows SMBv1 server to remotely compromise systems, encrypt files, and spread to other hosts. Systems that have installed the MS17-010 patch are not vulnerable to the exploits used. Patches to address the vulnerabilities identified in Microsoft Security Bulletin MS17-010 are available for all versions of Windows from XP onward.
SOURCE: ICS-CERT – WannaCry Fact Sheet
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