11.   A hacker is literally a cryptographer, the computer an elaborate Enigma machine.

12.   A determined hacker may be able to get past that problem.

13.   But have a care, for hackers are there,

14.   But he and others agreed that teen-age hackers are not nearly the threat that adults are.

15.   But nowadays, a hacker is a person who enjoys learning about ways to break into computer systems and networks.

16.   But there is evidence that more sophisticated hackers are now at work.

17.   Computer hackers are good at what they do until they get caught, while foreign correspondent hacks are ejected from totalitarian states when they are doing a good job.

18.   Ever since the day computers first learned to talk to each other there have been hackers.

19.   Even hackers can be victims of hackers.

20.   Fearing that the hackers might be Iraqi operatives, Defense Department officials worried for nearly three tense weeks whether the planned mission might have been compromised.