Anton Cherepanov is always on the lookout for something interesting. And in late August last year, he spotted just that. It was a file uploaded to VirusTotal, a site cybersecurity researchers like him use to analyze submissions for potential viruses and other types of malicious software, often known as malware. On the surface it seemed...

This is today's edition ofThe Download,our weekday newsletter that provides a daily dose of what's going on in the world of technology. AI is already making online crimes easier. It could get much worse. Just as software engineers are using artificial intelligence to help write code and check for bugs, hackers are using these tools...