: Programs that encrypt your personal files and demand payment for their release.

: Malware designed to harvest your saved browser passwords, credit card details, and crypto wallet keys.

: While the file ends in .txt , it is often a "double extension" file (e.g., YAH.OO.txt.exe ). Windows and other operating systems sometimes hide known file extensions, making a dangerous executable program look like a harmless text file.

: Software that allows a hacker to control your computer, webcam, and microphone remotely. How to Protect Yourself