New exploit leaves most Macs vulnerable to permanent backdooring

“Macs older than a year are vulnerable to exploits that remotely overwrite the firmware that boots up the machine, a feat that allows attackers to control vulnerable devices from the very first instruction.  The attack, according to a blog post published Friday by well-known OS X security researcher Pedro Vilaca, affects Macs shipped prior to the middle of 2014 that are allowed to go into sleep mode.  The attack is more serious than the Thunderstrike proof-of-concept exploit late last year. While both exploits give attackers the same persistent and low-level control of a Mac, the new attack doesn’t require even brief physical access. That means attackers half-way around the world may remotely exploit it.”

http://arstechnica.com/security/2015/06/new-remote-exploit-leaves-most-macs-vulnerable-to-permanent-backdooring/

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