Patrick Wardle is an ex-NSA hacker who creates free MacOS security tools, capable of detecting even advanced attacks by spotting the signs of malware in its early stages. With professionals like journalists, CEO's and other VIP's using MacOS systems, Patrick's Objective-See tools help targeted users stay in control of their security. We talk about how his tools stop ransomware, keyloggers, and even "Evil maid" attacks in which an attacker gains physical access to your computer.