A new biometric system looks at the vein pattern inside a living finger. It’s claimed to be more secure than retinas or fingerprints.
That’s great, until it becomes popular and there’s a single vulnerable implementation where your information is intercepted and can then be replayed electronically ad nauseum.
Biometrics are neat, but there’s a great rule of thumb (no pun intended) in security – never use a key (cryptographic or physical) you can’t change when it has been compromised.
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