As six suspected members of ‘hacktivist’ groups are named and face charges, the spotlight again shines on the shady world of internet hacking, writes Conall Ó Fátharta

Twenty-five suspected members of the Anonymous hacker movement have been arrested in police raids across Europe and South America.

Skirmishes raged across cyberspace between WikiLeaks supporters and the companies they accuse of trying to stifle the group, with websites on both sides of the battle line taken out of service or choked off by attacks.