Concepedia

Jeff Yan

JY

Statistics

Publications

30

Citations

2.8K

H-Index

21

Active since

2005

Affiliations

Newcastle University(Current)

Lancaster University

Linköping University

Microsoft Research Asia (China)

Xidian University

Jeff Yan is an author at Newcastle University specializing in computing, computer science, and computer security.

ORCID

Publications per year

2005–2021

30

Publications

30

A low-cost attack on a Microsoft captcha

Jeff Yan, Ahmad Salah El Ahmad · 2008 · 402 citations

, , +9

Usability of CAPTCHAs or usability issues in CAPTCHA design

Jeff Yan, Ahmad Salah El Ahmad · 2008 · 329 citations

, , +10

Targeted Online Password Guessing

Ding Wang, Zijian Zhang, Ping Wang et al. · 2016 · 316 citations · Full text

, , +13

Breaking Visual CAPTCHAs with Naive Pattern Recognition Algorithms

Jeff Yan, Ahmad Salah El Ahmad · 2007 · 223 citations

, , +8

Do background images improve "draw a secret" graphical passwords?

Paul Dunphy, Jeff Yan · 2007 · 221 citations

, , +10

1–5 of 30