Waste Killswitch Download ((free))
The waste killswitch is a —pull the pin, and something disappears forever. For 99% of home users, a standard firewall and password manager are sufficient. You do not need a waste killswitch to clear your browser history (use Ctrl+Shift+Delete).
A less known but older version that runs as a background service. It uses a "dead man's switch" (you must press a key combo every 4 hours, or it wipes the drive). waste killswitch download