11 Investigates: Potential Security Risk for ATMs

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In an 11 Call For Action investigation, we're talking with local banks about fixing a potential security risk at ATMs.

The concern is the computer operating system that the majority of bank ATMs use, which is Windows XP.

About 95% of bank ATMs use it, even though it's more than a decade old.

Starting on April 8th, Microsoft will stop issuing security updates for Windows XP. If there are any holes or flaws in the system, they won't be fixed, making the ATMs an easy target for hackers.

We called several banks about what they're doing to fix their ATMs.

Officials with U.S. Bank tell us "U.S. Bank is fully aware of the upcoming change and will have converted all U.S. Bank ATMs to Windows 7 by the April deadline."

ENT Federal Credit Union issued this statement: "We are aware of the Windows XP end-of-life date from Microsoft and have taken the appropriate measures to secure Ent's systems. Ent's staff and our vendor partners have been working since September to upgrade our Windows XP systems and are nearly complete. Any systems that have not been upgraded by Microsoft's end-of-life date will be secured using other technologies."

Officials with USAA tell us they're upgrading the software right now. A spokesperson says they didn't know when the transition would be finished, but they would let us know.

KeyBank officials say they acted early on to make sure ATMS were secure.

We are waiting from responses from Wells Fargo, First Bank, UMB, Chase, TCF and Academy.