On Friday, 12th May 2017, there were reports of a massive cyber attack crippling governments and cooperate operations and hitting thousands of computers. This malware is known as WannaCry – Also known by others as Wanna Decrypt0r, WCRY, Wannacryptor).
What Does WannaCry Do?
This malware attacks a vulnerable computer, encrypts files and demands money to be paid to a bitcoin account in exchange of your personal data to be decrypted. When demands are not met within a particular time limit, the ransomware increases.
When a vulnerable computer is affected by the malware, it snoops through the network to find other vulnerable computer and infect them as well. The ransomware has targetted and infected over 45,000 computers in 74 countries according to Kaspersky Labs.
How To Secure Yourself From WannaCry
Since its attacking older versions of windows specifically – Windows 8, XP, Windows server 2003, one has to install the latest security update by Microsoft. Be very careful about opening email attachments and be sure about the source before opening them. Also, you need to use one of the best security suites and constantly update them.
You will have to disable SMB1.0 file sharing functionality from your computer to prevent this attack. You can do that by navigating to Control Panel >> Programs >> Turn Windows Features on or off >> SMB 1.0/CIFS File Sharing Support.
image source: Kaspersky Labs
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