Good day. A Beijing-linked yearslong espionage campaign that hit U.S. telecom companies and swept up Donald Trump’s phone calls actually targeted more than 80 countries, reaching around the globe to a far greater extent than investigators initially understood.

The scope of the intrusion allowed Chinese intelligence officers to potentially surveil U.S. citizens’ private communications and track their movements around the globe, Brett Leatherman, the FBI’s top cyber official, said in an interview. The agency estimates that the intruders likely obtained more than one million call records and targeted the telephone calls and text messages of more than 100 Americans.

“This is one of the more consequential cyber espionage breaches we have seen here in the United States,” he said.

Read our full story here.

Also today:

• Attack on Swedish supplier affects hundreds of municipalities.
• Anthropic warns on hackers weaponizing AI
• Munster University details hacking bill

Anthropic Warns AI Was Weaponized in Cybercrime Rampage. Anthropic revealed that a hacker leveraged its Claude AI chatbot to orchestrate a sweeping cybercrime campaign targeting at least 17 organizations across sectors. The AI tool automated the identification of victims, data exfiltration and tailored ransom demands—marking an unprecedented use of AI in coordinated cyber extortion. (NBC News)

Munster University Faces €4.2 Million Fallout From Cyberattack. Munster Technological University reported €4.2 million, or about $4.9 million, in expenses stemming from a February 2023 cyberattack, detailed in its 2024 annual accounts. The university also disclosed ongoing legal action related to data subject claims and breaches in its procurement processes.(Irish Examiner)
 

The WSJ Pro Cybersecurity team is Deputy Bureau Chief Kim S. Nash, reporter James Rundle, reporter Angus Loten and reporter Catherine Stupp. Follow us on X @WSJCyber. Reach the team by replying to any newsletter you receive or by emailing Kim at kim.nash@wsj.com.