Ex-NSA hacker drops macOS High Sierra zero-day hours before launch


(Image: CNET/CBS Interactive)

Just hours before Apple is expected to roll out the new version of its desktop and notebook operating system, macOS High Sierra, a security researcher dropped a zero-day.

Patrick Wardle, a former NSA hacker who now serves as chief security researcher at ‎Synack, posted a video of the hack — a password exfiltration exploit — in action.

Passwords are stored in the Mac’s Keychain, which typically requires a master login password to access the vault.

But Wardle has shown that the vulnerability allows an attacker to grab and steal every password in plain-text using an unsigned app downloaded from the internet, without needing that…

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