| |
| 2008 | ||
|---|---|---|
| 3 | EE | Jeff Yan, Ahmad Salah El Ahmad: A low-cost attack on a Microsoft captcha. ACM Conference on Computer and Communications Security 2008: 543-554 |
| 2 | EE | Jeff Yan, Ahmad Salah El Ahmad: Usability of CAPTCHAs or usability issues in CAPTCHA design. SOUPS 2008: 44-52 |
| 2007 | ||
| 1 | EE | Jeff Yan, Ahmad Salah El Ahmad: Breaking Visual CAPTCHAs with Naive Pattern Recognition Algorithms. ACSAC 2007: 279-291 |
| 1 | Jeff Yan | [1] [2] [3] |