New posts in Physical

4-dial combination padlock: Is it more secure to zero it out or to blindly spin the dials after locking?

How "scrambled" is the data on a RAID5 disk?

Are DVDs vulnerable to firmware malware (and assorted questions)?

How can the Magic SysRq key be dangerous for linux users?

Secure USB cable for charging in untrusted environments

Can I repair a cut-through credit card?

Is it possible to improve brute-force guessing of a password with a picture of the keyboard used to enter it?

Does multiple numbers per button have an effect on security?

What are the alternatives to door passcodes?

Can motion sensors be disabled by lasers without triggering the alarm?