Enemies in cyberspace will include both states and non-states and will range from the unsophisticated amateur to highly trained professional hackers.

Last year, software packages that provided various ways of attacking websites and stealing valuable data were sold by professional hackers.

The program is largely believed to identify professional ethical hackers and security experts by the Government of India to protect its critical infrastructure and cyber space.

Thanks to him she could write better hotrod software than half of England's professional hackers.

Helba, a professional hacker, and Lios, a reluctant system administrator, also aid in Kite's efforts to rescue the coma victims.

The group that composes the researchers involve amateur and professional hackers or experts in computer system security.

Before academia Wehner was involved in computer security, for example kernel rootkits, and for a while worked as a professional hacker.

NEMO's Menu was designed for the professional hacker.

Many professional hackers will promote themselves to cyberterrorists where a new set of rules govern their actions.

The computer industry has a long, respected tradition of hiring so-called tiger teams of professional hackers to attack a computer system to determine how secure it is.