Tamper detection using ITO touch screen traces

This technology uses the existing touch screen of an electronic device to detect tampering. It works by performing a special "security scan" on the same invisible conductive lines that normally sense finger touches or display information. This security scan can run simultaneously with the touch sensing, or immediately after, using the same screen components to identify unauthorized interference.

Why it matters: Since 2019, the proliferation of touchscreens in secure applications like point-of-sale systems has increased the value of leveraging existing hardware for enhanced tamper detection. Advances in embedded processor efficiency could make the simultaneous or interleaved scanning described in the claims more practical without dedicated security hardware.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: SpecializedSoftware logic for existing touch screen hardware

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