A strong firewall protects the computer systems by preventing the entry of immoral and indecent content and thus allows parents to keep their children safe.
The plot twists and turns, as Jack tries to outwit Cox while maintaining a business-as-usual façade for his friends and co-workers.
It's a vulnerability that one very ruthless and resourceful thief is poised to exploit.
While the movie is a better-than-average action thriller, it unfortunately contains unnecessary foul language and several scenes of moderate action violence.
However, Cox kills Harry with a gun he had earlier confiscated from Jack.
At one time or another he uses mainframes, laptops, cell phones, fax machines, miniature lapel mikes, spycams and his daughter's iPod, plus a lot of masking tape to do what needs to be done.