Abstract
Captchas are a standard defense on commercial websites against undesirable or malicious Internet bot programs, but widely deployed schemes can be broken with simple but novel attacks. Applying security engineering expertise to the design of Captchas can significantly improve their robustness.
Original language | English |
---|---|
Pages | 54-60 |
Number of pages | 7 |
Volume | 44 |
No. | 2 |
Specialist publication | Computer |
DOIs | |
Publication status | Published - 1 Feb 2011 |
Keywords
- captchas
- internet security
- robustness
- security engineering
- segmentation
- computer security
- network security
- access control