Every security system has flaws, even high-tech ones. While Electronic Access Control helps keep sensitive areas safe, it is not without weaknesses.
One of the most troubling vulnerabilities is called 'Passback' - the practice of using someone else's credentials to gain entry. In this note, we take a look at the problem and how designers can minimize vulnerabilities, looking at:
- Passback vs Tailgaiting
- Software solutions including time limit and reader pattern and flow
- Other solutions including biometrics, cameras, turnstiles and signange
- Ignoring it