Difficulty Rating: If you work for them, and they don't
do code audits, this works well.
Methods:
Idea: Send them an update of the operating system. Let them install it. Steal the nuclear secrets.
Problem: The packaging better be believable. The secret service will toss you in jail.Idea: Write the payroll program. Have it delete the payroll database if the authors id number is ever missing two weeks in a row.
Problem: The resulting lawsuit. You're subsequent unemployability.Idea: Write a library program. It automatically disables itself on a specific date. Withhold the source code until you're payed.
Problem: The resulting lawsuit. Your firm's subsequent reputation.