HIP
2005
Springer
14 years 4 months ago
2005
Springer
Web-based services designed for human users are being abused by computer programs (bots). This real-world issue has recently generated a new research area called Human Interactive...
HIP
2005
Springer
14 years 4 months ago
2005
Springer
Efforts to defend against automated attacks on e-commerce services have led to a new security protocol known as a CAPTCHA, a challenge designed to exploit gaps in the perceptual a...
HIP
2005
Springer
14 years 4 months ago
2005
Springer
In this paper, we propose a new class of Human Interactive Proofs (HIPs) that allow a human to distinguish one computer from another. Unlike traditional HIPs, where the computer is...
HIP
2005
Springer
14 years 4 months ago
2005
Springer
Abstract. Current CAPTCHAs require users to solve objective questions such as text recognition or image recognition. We propose a class of CAPTCHAs based on collaborative filterin...
HIP
2005
Springer
14 years 4 months ago
2005
Springer
Human interaction proofs (HIPs) have become common place on the internet due to their effectiveness in deterring automated abuse of online services intended for humans. However, th...
HIP
2005
Springer
14 years 4 months ago
2005
Springer
Abstract. We would like to quantify the assurance contained in an authentication secret. For instance, how much assurance does a customer convey to a bank by revealing that his Per...
HIP
2005
Springer
14 years 4 months ago
2005
Springer
A CAPTCHA which humans find to be highly legible and which is designed to resist automatic character–segmentation attacks is described. As first detailed in [BR05], these ‘Sc...