Hello. Just as businesses use AI to become more efficient, perform repetitive tasks and in some cases replace people, cybercriminals are doing the same.

Some ransomware groups already deploy chatbots to negotiate with victims. Now dark-web job posts seek English speakers with AI skills to crunch data and automate more of their activities. Read our full story.

Other news: 

• U.S. Space Force to detect satellite hacks with AI 
• Marks & Spencer tech leader steps down months after cyberattack
• Children like to hack their own schools
• And more

Tech leader at Marks & Spencer to leave months after an April cyberattack. The U.K. retailer said Rachel Higham stepped down as chief digital and technology officer to take a break, "having been a valued part of the leadership team," a spokesperson said. 

• Head of property and store development Sacha Berendji is adding digital and tech duties to his role. 
• Further reading from WSJ: Marks & Spencer Expects $400 Million Hit From Cyberattack

Microsoft Teams warnings: Microsoft is adding alert capabilities to its Teams collaboration systems that will warn users when they send or receive private messages that contain malicious and spam links. The feature is due to be rolled out in phases between September and November. (Bleeping Computer)

Edge-computing security provider Armis is fielding offers. Chief Executive Yevgeny Dibrov said the company is considering six or seven offers from investors seeking a stake in Armis, which plans to go public in 2026. (Bloomberg)

The WSJ Pro Cybersecurity team is Deputy Bureau Chief Kim S. Nash and reporters Angus Loten, James Rundle and 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.