38 Million Records Exposed Due to Microsoft Misconfiguration – E Hacking News


 

According to experts, some 38 million records from over a thousand web apps that use Microsoft’s Power Apps portals platform were left accessible online. Data from COVID-19 contact tracing operations, vaccine registrations, and employee databases, including home addresses, phone numbers, social security numbers, and vaccination status, is believed to have been included in the records. 

Major corporations and organizations were impacted by the incident, including American Airlines, Ford, J.B. Hunt, the Maryland Department of Health, the New York City Municipal Transportation Authority, and New York City public schools. While the data breaches have already been fixed, they demonstrate how a single incorrect configuration setting in a widely used platform can have far-reaching repercussions.
 

Customers can use the Power Apps services to easily create their own web and mobile apps. It provides developers with application programming interfaces (APIs) to use with the data they collect. Upguard discovered, however, that accessing those APIs makes data received through Power Apps Portals public by default, necessitating manual reconfiguration to keep the information private. 

In May, researchers from the security firm Upguard began investigating the problem. They discovered that data from several Power Apps portals, which was intended to be secret, was accessible to anyone who knew where to look. According to Upguard, on June 24th, it provided a vulnerability report to the Microsoft Security Resource Center, which included links to Power Apps portal accounts with sensitive data exposed and methods to discover APIs that allowed anonymous data access. 

“The number of accounts exposing sensitive information, however, indicates that the risk of this feature– the likelihood and impact of its misconfiguration– has not been adequately appreciated,” the researchers wrote in the report. “Multiple governmental bodies reported performing security reviews of their apps without identifying this issue, presumably because it has never been adequately publicized as a data security concern before.” 

 On Monday, a Microsoft representative defended the product’s security, noting that the firm worked directly with affected users to ensure that their data remained private and that consumers were notified if their data was made publicly available. “Our products provide customers flexibility and privacy features to design scalable solutions that meet a wide variety of needs,” a Microsoft spokesperson said in a statement.



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