Gox, a Tokyo-based exchange that handles roughly 80% of Bitcoin trading, recently shut down briefly after a denial-of-service attack.

WSJ: The Weekend Interview With Gavin Andresen: Bitcoin vs. Ben Bernanke

Talks are being arranged between travellers' representatives and the fire service after three firefighters were injured in an attack in Belfast.

BBC: Concern about attacks on fire crews

Brown, who was Rihanna's boyfriend at the time, was sentenced to 180 hours community service and five years probation after admitting the attack in February 2009.

BBC: Rihanna

The attack comes shortly after Sir Hugh Orde, the chief constable of the Police Service of Northern Ireland, requested the Special Reconnaissance Regiment's help to gather intelligence on dissident republicans.

BBC: Two die in 'barbaric' Army attack

The North East Ambulance Service "failed" a man who died from a heart attack after a paramedic refused to administer drugs, a coroner has said.

BBC: Grahame Giles 'failed' by ambulance service

The UK Serious Organised Crime agency took its website offline for several hours on 20 June after it appeared to be a victim of a distributed denial of service (DDoS) attack.

BBC: Keyboard