Microsoft Warns Azure Customers of Flaw That Could Have Permitted Hackers Access to Data

A logo sits illumintated outside the Microsoft booth on day 2 of the GSMA Mobile World Congress 2019 in Barcelona, Spain, on Feb. 26, 2019. David Ramos/Getty Images

SAN FRANCISCO—Microsoft warned some of its Azure cloud computing customers that a flaw discovered by security researchers could have allowed hackers access to their data.

In a blog post from its security response team, Microsoft said it had fixed the flaw reported by Palo Alto Networks and it had no evidence malicious hackers had abused the technique described by Palo Alto.