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You can tap someone's keycard or wallet with an Android phone and get the UID; here's an example app: https://play.google.com/store/apps/details?id=com.nellon.m

You can tap someone's keycard or wallet with an Android phone and get the UID; here's an example app: https://play.google.com/store/apps/details?id=com.nellon.mifareid&hl=en_US&gl=US https://play.google.com/store/apps/details?id=com.nellon.mif.... That's much easier than picking even the shittiest lock where you'd need picking tools which have less plausible deniability than let's say a phone, and yet these "secure" keycard systems cost significantly more than a shitty lock.

BenjiWiebe 5y ago
Actually the worst locks are so easy to pick that you just insert your tension tool and turn. But those aren't usually on doors. The two like that I've seen: TSA approved luggage lock, high power handheld laser safety lockout.
- HWR_14 5y ago
  As someone once pointed out, safety lockout locks being easy to pick is a feature. They are a very strong communication device, not a security measure.
  - BenjiWiebe 5y ago
    Oddly enough, the real (Master 410 series) lockout locks of which I have several are more difficult to pick then the non-lockout locks. They have 6 pins and multiple spools (security pins).
lol768 5y ago
Right, and the phone needs to be on top of the card - do you think I won't notice?