21 search results - page 4 / 5 » Machine learning attacks against the Asirra CAPTCHA |
IDEAL
2003
Springer
13 years 10 months ago
2003
Springer
As the complexity of Internet is scaled up, it is likely for the Internet resources to be exposed to Distributed Denial of Service (DDoS) flooding attacks on TCP-based Web servers....
ICEIS
2008
IEEE
13 years 11 months ago
2008
IEEE
Abstract. Network Intrusion Detection Systems (NIDS) aim at preventing network attacks and unauthorised remote use of computers. More accurately, depending on the kind of attack it...
HICSS
2003
IEEE
13 years 10 months ago
2003
IEEE
This paper describes a novel approach using Hidden Markov Models (HMM) to detect complex Internet attacks. These attacks consist of several steps that may occur over an extended pe...
ICC
2007
IEEE
13 years 5 months ago
2007
IEEE
Abstract— A clear deficiency in most of todays Anomaly Intrusion Detection Systems (AIDS) is their inability to distinguish between a new form of legitimate normal behavior and ...
SOUPS
2009
ACM
13 years 11 months ago
2009
ACM
We introduce the notion of a conditioned-safe ceremony. A “ceremony” is similar to the conventional notion of a protocol, except that a ceremony explicitly includes human part...