Microsoft Beefs Up Security of Windows AI Tool After Outcry

Microsoft Corp. says a key new feature in an upcoming line of artificial intelligence-branded PCs will be shipped in the “off” position after cybersecurity experts said the tool created an alluring target for hackers.

Recall, a Windows feature unveiled last month, creates a record of everything users do on their PCs, making it easier to sort through one’s emails, browsing history or files. The feature does that by periodically taking screenshots that can be read and analyzed by Microsoft algorithms.

Recall immediately set off alarm bells for security researchers, already wary of Microsoft’s security practices following a number of ...