25 search results - page 5 / 5 » A new protocol to counter online dictionary attacks |
INFOCOM
2012
IEEE
11 years 8 months 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
13 years 11 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 15 days 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 5 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
13 years 10 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...