“But, Adams further claimed, he had forgotten the password he had just set, and thus was unable to provide the FBI with a password that would unlock the phone.”
You know, the same thing happens to me every time the FBI takes my phones.
According to reporting, they have actually done this before.
Most of the discussion I’ve read about this is along the lines of: clone the drive on the phone and then brute force the clones (circumventing the lockout issue: if you get locked out just keep trying on a new clone).
Clone.
Repeat.
Also, cellebrite.
Edit: if people think forensics uses the actual device that would severely hinder any investigation.
That would risk tampering, or destroying evidence.
Copies are made.
Technology exists.
And the cloning can happen thousands of times in one second?
According to reporting, they have actually done this before.
Most of the discussion I’ve read about this is along the lines of: clone the drive on the phone and then brute force the clones (circumventing the lockout issue: if you get locked out just keep trying on a new clone).
In a relatively famous case, the FBI cracked the password on the San Bernardino shooter’s phone, but did not explain how they did it: https://www.vox.com/2016/3/29/11325134/apple-iphone-fbi-san-bernardino-case-ends
Here is a company selling a brute force module for iPhones, although they don’t explain how they get around the lockout issue: https://belkasoft.com/unlocking-ios-devices-with-brute-force
Here is another article about a company that claims to be able to brute force iPhone passcodes: https://www.vice.com/en/article/how-to-brute-force-iphones-graykey/