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A Security Flaw in Mobile Apps Could Cost You a Fortune on Your Phone Bill

Cyber Security

A security precaution skipped in mobile applications such as Facebook’s Messenger could be abused to make an expensive phone call at a victim’s expense, a developer contends. Phone numbers often appear as links on a mobile device. That is possible by using a Uniform Resource Identifier (URI) scheme called ”tel” to trigger a call. URI schemes are a large family of descriptions that can tell a computer where to go for a certain resource, such as launching a mail application when an email address is clicked. Andrei Neculaesei, a full-stack developer with the wireless streaming company Airtame in Copenhagen, contends there’s a risk in how most native mobile applications handle phone numbers. If a person clicks on a phone number within Apple’s mobile Safari browser, a pop-up asks if a person wants to proceed with a call.

Read the full story at PC World.

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More Stories By Shelly Palmer

Shelly Palmer is the host of Fox Television’s "Shelly Palmer Digital Living" television show about living and working in a digital world. He is Fox 5′s (WNYW-TV New York) Tech Expert and the host of United Stations Radio Network’s, MediaBytes, a daily syndicated radio report that features insightful commentary and a unique insiders take on the biggest stories in technology, media, and entertainment.