However, if you want to use functions like contactless payments, then there are steps you can take to make it more secure.Ĭompartmentalize your sensitive accounts. The most effective way to secure against NFC vulnerabilities is simply not to use NFC at all.
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How to Protect Yourself Against NFC Hacks Hacker group, Wall of Sheep, proved this with NFC-tagged posters and buttons. If someone could figure out a way to hide NFC tags in inconspicuous places where phones are likely to bump up against, they could upload malicious data onto NFC-enabled devices without people even realizing it. The crux of the issue is that NFC transfers can be executed without the user even knowing a transfer is in progress. A virus might open up other vulnerabilities, allowing the malicious user full privileges to your device to read your email, texts, photos, and third-party app data. With these malicious apps running in the background, your phone could be secretly forwarding bank PINs and credit card numbers to an unauthorized person somewhere across the world. Imagine if your computer automatically opened any file that it downloaded off the Internet. All it would take is one mistaken click on a bad link for your computer to auto-install malware. And if the NFC implementation is insecure, that file could be automatically opened by the device.
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Because NFC is a connection based on convenience, and because there aren’t many security checks in place, a bump could end up uploading a virus or malware or some other malicious file to the bumped device.
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It has to do with the way that NFC is implemented on particular devices.