25 search results - page 5 / 5 » A new protocol to counter online dictionary attacks |
INFOCOM
2012
IEEE
12 years 6 days ago
2012
IEEE
Abstract—In this paper, we introduce FlowSifter, a systematic framework for online application protocol field extraction. FlowSifter introduces a new grammar model Counting Regu...
HIP
2005
Springer
14 years 3 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...
DSN
2009
IEEE
14 years 4 months ago
2009
IEEE
We consider a set of clients collaborating through an online service provider that is subject to attacks, and hence y trusted by the clients. We introduce the abstraction of a fai...
JOC
2007
13 years 9 months ago
2007
In the security chain the weakest link is definitely the human one: human beings cannot remember long secrets and often resort to rather insecure solutions to keep track of their ...
ACSAC
2000
IEEE
14 years 2 months ago
2000
IEEE
It is well-known that CA plays the central role in PKI. In this paper we introduce a new component into PKI, DA (decryption authority), which decrypts important and sensitive mess...