Security flaw detected in the T2 chip – short passwords can be cracked

Security flaw detected in the T2 chip – short passwords can be cracked
Security flaw detected in the T2 chip - short passwords can be cracked 1

Between 2017 and 2021, Apple released a bunch of Mac models with the T2 chip, a special processor used to secure the boot sequence, manage ssd storage and keep encryption keys safe from the rest of the system.

An improvement over older models without T2 is that it should not be possible to guess the passwords that unlock the encrypted storage other than via Mac OS standard functions. Now it seems that T2 has a security flaw that, after all, makes it possible to let a program guess password after password, and guess as many times as you like.

Passware, a company that sells password cracking software to both companies and authorities, has in fact started offering T2 unlocking to the police and other authorities report 9 to 5 Mac.

Unlike other passwords that can be guessed at hundreds of thousands of attempts per second, T2 unlocking is limited to 15 attempts per second, as it still has to be performed directly on the Mac in question. For users who have chosen a common password, this means that Passware can find the right password fairly quickly, but for those who have a reasonably secure password, it is basically impossible.

Just like on Iphones that have similar protection, our recommendation is and remains to choose a password that is long enough to take too long to guess even if such security flaws are detected. 4-5 randomly selected words for example.

Security flaw detected in the T2 chip - short passwords can be cracked 1

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