Provide advice to governments on how to protect their computer systems and track down and arrest hackers.

CNN: Global panel issues Internet security recommendations

The state-run Syrian Arab News Agency said dozens of "terrorist elements" have been killed as security forces continue to track down and arrest them.

CNN: Syrians defiant as world powers plan talks

Information gathered during Rivera's arrest led police forces in the US and other countries to track down other members of the Lulzsec group.

BBC: Lulzsec hacker pleads guilty over Sony attack