233 search results - page 25 / 47 » CAPTCHA: Using Hard AI Problems for Security |
110
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CCS
2011
ACM
13 years 9 months ago
2011
ACM
Verifying that access-control systems maintain desired security properties is recognized as an important problem in security. Enterprise access-control systems have grown to prote...
72
Voted
WEBNET
2001
14 years 11 months ago
2001
: Modern security architectures tend to become more and more complex. Not only the chances to improve Web applications using several data channels and diverse (TCP-)ports are very ...
ACSAC
2008
IEEE
14 years 9 months ago
2008
IEEE
Alphanumeric passwords are widely used in computer and network authentication to protect users' privacy. However, it is well known that long, textbased passwords are hard for...
102
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ACMICEC
2008
ACM
14 years 11 months ago
2008
ACM
This paper focuses on the problem of how to allow sharing of copyrighted content between a set of authorised devices and preventing unauthoried copying of content to other devices...
GECCO
2008
Springer
14 years 10 months ago
2008
Springer
In this paper, we show that a Bio-inspired classifier’s accuracy can be dramatically improved if it operates on intelligent features. We propose a novel set of intelligent feat...