Christopher Wray, the F.B.I.’s director, told Congress last December that the bureau purchased the phone hacking tool Pegasus for research and development purposes.

Hackers infiltrated the Mexican Defense Ministry, publishing millions of emails that detail the military’s growing influence over the civilian government.

As American feminists came together in 2017 to protest Donald Trump, Russia’s disinformation machine set about deepening the divides among them.

The company said on Thursday that it was looking into the scope of the apparent hack.

Google has an automated tool to detect abusive images of children. But the system can get it wrong, and the consequences are serious.

At a moment when education technology firms are stockpiling sensitive information on millions of school children, safeguards for student data have broken down.

For years, activists and academics have been raising concerns that facial analysis software that claims to be able to identify a person’s age, gender and emotional state can be biased, unreliable or invasive — and shouldn’t be sold.

The operation is the latest effort by the Biden administration to thwart actions by Russia by making them public before Moscow can strike.

The Finnish company played a key role in enabling Russia’s cyberspying, documents show, raising questions of corporate responsibility.

Using machine learning, separate teams of computer scientists identified the same two men as likely authors of messages that fueled the viral movement.

Control of the internet is increasingly part of any modern conflict.

A vast location-tracking network is being built around us so we don’t lose our keys: One couple’s adventures in the consumer tech surveillance state.