Office of Personnel Management in Washington: data on millions of US government workers has been hacked. Photograph: Shawn Thew/EPA

Rarely has a computer hack of personal information, allegedly by agents of a foreign government, caused such a stir in Washington DC. A breach at the (...)

Yemeni al-Qaeda chief Nasser al-Wuhayshi speaks at an unknown location in this still image taken from video obtained by Reuters TV. Al-Qaeda in Yemen said its leader,  al-Wuhayshi, was killed in a US bombing, in major blow by the United States against the global militant group’s strongest branch. Photograph: Reuters TV

The deputy leader of al-Qaeda, Nasser al-Wuhayshi, has been killed in a US bombing in Yemen, the group said on Tuesday, removing the director of a str(...)

There are concerns markets are increasingly being moved by computer algorithms rather than by any fundamental catalyst, resulting in increased volatility and potentially causing instability or even crashes. Photograph: Getty Images/iStockphoto There are concerns markets are increasingly being moved by computer algorithms rather than by any fundamental catalyst, resulting in increased volatility and potentially causing instability or even crashes. Photograph: Getty Images/iStockphoto

The growth of computerised trading has brought obvious benefits to investors. Trading costs have been slashed; complex information is quickly processe(...)

FBI crime scene investigators document evidence outside the Curtis Culwell Center. Two men opened fire with assault weapons on police Sunday night who were guarding a contest for Muslim Prophet Muhammed cartoons. A police officer returned fire killing both men. Photograph: Brandon Wade/AP

Federal agents for years monitored one of the two gunmen who were shot dead after opening fire with assault rifles at a heavily guarded Texas exhibit (...)

The US authorities claim the Silk Road website, shut down by the Federal Bureau of Investigation (FBI) in 2013, was an underground website that hosted a “sprawling black market bazaar” on the internet, where items including drugs, firearms and counterfeit money were bought and sold.

An applicaton for the extradition of a Co Wicklow man to face trial in the United States on conspiracy charges arising from his alleged links to a nar(...)

Heather Mack (19) and Tommy Schaefer (21) have been sentenced over the murder of Mack’s mother in Indonesia. Photograph: Getty Images

An Indonesian court found a young US couple guilty on Tuesday of murdering the woman’s mother and stuffing her battered body into a suitcase on the re(...)

Mike Lynch: said he intended to launch legal action against HP for “false and negligent statements” made by the US company. Photograph: Chris Ratcliffe/Bloomberg

Hewlett-Packard (HP) is suing Autonomy’s co-founder Mike Lynch, seeking damages of $5.1 billion (€4.7 billion), over an alleged fraud that occurred d(...)

Trend Micro, the cybersecurity firm based in the US, said criminals have developed advanced mobile applications and tools that siphon their victims’ online passwords and contacts to increase the chance that they will pay up

For years, criminals have been tricking people into performing embarrassing sexual acts on the internet, and then blackmailing them with recordings o(...)

A hacker group has stolen as much as $1 billion from banks and other financial companies worldwide since 2013 in an “unprecedented cyber-robbery,” according to computer security firm Kaspersky Lab.

A hacker group has stolen as much as $1 billion from banks and other financial companies worldwide since 2013 in an “unprecedented cyber-robbery,” (...)

Judge Sarah Netburn listens to defence attorney Sabrina Shroff as Yevgeny “Zhenya” Buryakov sits in court in New York on Monday.  Photograph: Jane Rosenberg/Reuters

The cover of alleged Russian spies in New York was blown by bugged conversations about their frustration over how mundane their double lives were and(...)