Christopher Lewis and Michael Nebel were sentenced Friday to 18 months in prison because two years ago took control of the Comcast.net website .
The two hackers were part of a hacking group named Kryogeniks .
The group redirected visitors to their website ,after they took over an account used to manage Comcast's Domain Name System .
Christopher Lewis and Michael Nebel were not the only ones in the group.A third hacker,James Black,was sentenced to four months in jail .
For this incident Comcast had to pay $90,000 to recover .Therefore,Christopher Lewis and Michael Nebel must pay Comcast.net $90,000 .



