Malicious SIMs can shut down phones, steal files, and drag 5G back… | HappeningNow.news

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Malicious SIMs can shut down phones, steal files, and drag 5G back to 2G

Researchers find standards-compliant functionality can be abused to hijack modems, downgrade connections, and even execute code Researchers have found that a malicious SIM card can tell some phones and cellular-connected devices to leak…

Source Summary Published August 11, 2026 Brief Under 1 min brief
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Summary

Researchers find standards-compliant functionality can be abused to hijack modems, downgrade connections, and even execute code Researchers have found that a malicious SIM card can tell some phones and cellular-connected devices to leak data, drop to 2G, shut themselves down, or even execute code, all thanks to functionality that's supposed to be there.

Read original at The Register

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