The official PGP user's guide
An evidential model of distributed reputation management
Proceedings of the first international joint conference on Autonomous agents and multiagent systems: part 1
Detecting deception in reputation management
AAMAS '03 Proceedings of the second international joint conference on Autonomous agents and multiagent systems
Pride: peer-to-peer reputation infrastructure for decentralized environments
Proceedings of the 13th international World Wide Web conference on Alternate track papers & posters
ACM SIGCOMM Computer Communication Review
TrustGuard: countering vulnerabilities in reputation management for decentralized overlay networks
WWW '05 Proceedings of the 14th international conference on World Wide Web
ExOR: opportunistic multi-hop routing for wireless networks
Proceedings of the 2005 conference on Applications, technologies, architectures, and protocols for computer communications
SybilGuard: defending against sybil attacks via social networks
Proceedings of the 2006 conference on Applications, technologies, architectures, and protocols for computer communications
Understanding the network-level behavior of spammers
Proceedings of the 2006 conference on Applications, technologies, architectures, and protocols for computer communications
Phishing and Countermeasures: Understanding the Increasing Problem of Electronic Identity Theft
Phishing and Countermeasures: Understanding the Increasing Problem of Electronic Identity Theft
Incorporating accountability into internet email
Proceedings of the 2009 ACM symposium on Applied Computing
A collaboration-based autonomous reputation system for email services
INFOCOM'10 Proceedings of the 29th conference on Information communications
SocialFilter: introducing social trust to collaborative spam mitigation
CollSec'10 Proceedings of the 2010 international conference on Collaborative methods for security and privacy
Empirical comparison of IP reputation databases
Proceedings of the 8th Annual Collaboration, Electronic messaging, Anti-Abuse and Spam Conference
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We propose RepuScore, a collaborative reputation management framework over email infrastrucure, which allows participating organizations to establish sender accountability on the basis of senders' past actions. RepuScore's generalized design can be deployed with any Sender Authentication technique such as SPF, SenderID and DKIM. With RepuScore, participating organizations collect information on sender reputation locally from users or existing spam classification mechanisms and submit it to a central RepuScore authority. The central authority generates a global reputation summary which can be used to enforce sender accountability. We present the algorithms for reputation score calculation and share our findings from experiments based on a RepuScore prototype using a) our simulation logs and b) a 20 day log from a non-profit organization with five collaborating domains.