WannaCrypt

WannaCrypt, also known as WannaCry, is a type of malicious software (malware) called ransomware that infected computers worldwide in 2017. It works by secretly locking users out of their files and demanding a ransom payment to restore access. WannaCrypt spread quickly by exploiting a security vulnerability in Microsoft Windows, affecting many organizations, including hospitals and businesses. It highlights the importance of keeping software updated and maintaining strong cybersecurity practices to prevent such attacks.