Difficulty Rating: Very Easy
Methods:
Idea: Take the hard drive from the machine.
Problem: The police call this theft.
Idea: Look in the web cache of someone
else's computer.
Problem: They might be boring.
They might catch you.
Idea: Boot off you're own floppy disk.
Then browse the hard drive all you want.
Problem: You might be at the machine
for hours. There might be a BIOS password.
Idea: Pull the battery from the motherboard.
Then boot without the bios password protection.
Problem: People will wonder why you're
opening the case.
Idea: Tap into a phone line of an ATM
and record the conversation between it and the bank.
Problem: Getting to the phone line.
FBI.