Adam Satariano

Irish investigators said TikTok did not protect the data of users in the European Union, improperly transferring some of it to China. TikTok said it would appeal.

The European Commission said the Silicon Valley companies violated the Digital Markets Act, a law meant to crimp the power of the largest tech firms.

Eric Slesinger made a career shift from the spy agency to venture capital, championing military start-ups as Europe beefed up its defenses amid an uncertain relationship with the United States.

European regulators are considering fining X more than $1 billion, after weighing the risks of further antagonizing Mr. Musk and President Trump.

European Union regulators said the tech giants likely violated the law by unfairly boxing out smaller competitors, adding to tensions between Europe and the United States.

Pavel Durov said that the investigation into illicit activity on the messaging app he runs is ongoing, but that he had returned home to Dubai.

Spain uses an algorithm to score how likely a domestic violence victim is to be abused again. A Times investigation last year identified flaws in the system.

The probe is a test of the European Union’s willingness to go after X’s owner, Elon Musk, whose geopolitical influence has grown because of his ties to the incoming Trump administration.

El programa VioGén identifica a posibles víctimas recurrentes a partir de un formulario. Una investigación del Times del año pasado detectó fallos en la operación.

Spain uses an algorithm to score how likely a domestic violence victim is to be abused again. A Times investigation last year identified flaws in the system.