French authorities say they wiretapped a server used by the administrator to access their private messages, which revealed activities relating to cybercrime and ransomware attacks.

The new SS7 bypass attack tricks phone operators into disclosing a cell subscriber's location, in some cases down to a few hundred meters.

Chainalysis said crypto thefts during the first half of 2025 were at record levels, thanks in large part to a single breach at a major crypto exchange.

Accused hacker and Chinese national Xu Zewei was arrested in Italy at the request of U.S. prosecutors.

The fresh wave of attacks targeting airlines comes soon after the hackers hit the U.K. retail sector and the insurance industry.

This glossary includes the most common terms and expressions TechCrunch uses in our security reporting, and explanations of how — and why — we use them.