that there is no easy way to wipe the system clean to the metal and reinstall
it from original media.
Apparently, the only supported way to reinstall the OS on a Mac since
Mountain Lion is through the recovery partition which can be accessed
by pressing command-r while booting. Once booted to the recovery utility,
one can restore from a backup or reinstall the OS over the internet.
How on earth could this be secure? If it is not, I'd like to hear people's ideas
on the easiest way to accomplish the following:
Sell someone a used Mac. They reinstall the OS using command-r after
they've bought it. Software installed by the previous owner on
the recovery partition reinstalls OS-X but also installs trojans, keyloggers, what
Despite the buyer's best efforts to get a clean install, they start day one with a
Not that I want to do this myself, I just think it should be brought to the attention
of Apple and any IT departments considering allowing their employees to use
Macs in their work."