Hello. Miami-based Varonis Systems said it would acquire artificial-intelligence specialist AllTrue for $125 million in cash, the latest in a series of deals by larger companies in the growing AI security space.

AllTrue, founded in 2014, specializes in an emerging area known as AI trust, risk, and security management, which puts controls around AI usage. The tools also monitor the accuracy and reliability of models over time, assess their vulnerabilities and manage other data bias and other risks.

Businesses that rushed to roll out AI agents are now looking for ways to secure them. Read our full story.

Also today: 

• Compromised executive devices led to cyberattack
• Hospital hacks surged in 2025
• Former Fed official found not guilty of colluding with China
• Insiders are corruptible
• And more

Cyberattacks on U.S. hospitals jumped 55% in 2025 to 8,903 known incidents, up from 5,744 a year earlier, according to the Health-ISAC. Hackers struck healthcare hard during the Covid-19 pandemic and haven't let up. (Industrial Cyber)

• Capital Health System, a network of care facilities in New Jersey and Pennsylvania, agreed to pay $4.5 million to settle a class-action lawsuit over a 2023 Lockbit ransomware attack. The hack breached personal and health information related to patients and current and former employees. (RLS Media)

Recovered: Yavapai County in Arizona recovered about $850,000 stolen in a business email compromise in which fraudsters posed as a county contractor. The scammers diverted a legitimate payment to their own account. The receiving bank froze the account. (12News)

Polish authorities arrested a Defense Ministry official Tuesday for allegedly spying on behalf of Russia and Belarus, officials said, in one of the highest-profile espionage cases to come to light inside the Polish government. The official had been under military counterintelligence surveillance for an extended period as a case was built against him. (WSJ)

A former Federal Reserve official was found not guilty Tuesday of conspiring to share confidential central-bank information with Chinese intelligence officers. 

• Jurors did convict John Rogers, a former senior adviser in the Fed’s division of international finance, of a lesser charge of lying to investigators when, in a 2020 interview with the Fed’s internal watchdog office, he denied ever sharing sensitive information outside the central bank. (WSJ)

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