Sources: Chinese government agencies begin imposing overseas travel restrictions on individuals involved in advanced AI work, including at Alibaba and DeepSeek (Bloomberg)

Sam Altman and Dario Amodei are among signatories on an open letter urging improved tracking of synthetic DNA potentially used in AI-developed bioweapons (Emily Mullin/Wired)

Liftoff Mobile raised $437M in its US IPO, selling 19M shares for $23 each, above its marketed range of $20 to $22, valuing the company at $3.83B (Natalia Kniazhevich/Bloomberg)

Apple says users in Texas must confirm they are 18 years or older or obtain parental consent to create an Apple Account starting June 4, after a court ruling (Juli Clover/MacRumors)

The US and other Five Eyes nations warn that China is flooding online job platforms with fake profiles and offers targeting government and military personnel (Greg Miller/Washington Post)

In a report, UK lawmakers call on the government to end a £330M NHS deal with Palantir and disclose more details of a military contract with the company (Bloomberg)

Security firm Calif says it used OpenAI's Codex to discover HTTP/2 Bomb, a remote DoS exploit affecting web servers like Nginx, Apache HTTPD, and Microsoft IIS (The Hacker News)