487 million dollars reported inlosses due to online fraud in 2011Source: US Internet Crime Complaints Center10% of online users became vicitimof fraud in 2010 in the UKSource: VerisignOther consequences arekidnapping, murder, andsuicideSource: Wikipedia
The process of scamming Scammer one They engage insends tons recipient conversation and Report to of emails reacts build trust Bank transfer the police (hopefully) Our focus
The process of scamming II … scammer Person A Person B Person C Bank You are about to transfer 10,000 dollars... are you sure?Pattern repository watchdog
Computational Linguist How to discover the patterns? team Developer Psychologist Do all the tedious work…How to stop the conversations?Patterns in hoax trust-building conversations? Computer Scientist (Machine learning) How to discover the patterns?
Email providers Message boards data/consortium Internet Crime ScambaitingComplaint Center communities
Research plan, work packagesUser studies Development of User Interface Off-line validation Real-world validationAnalysis of Development of (historic scam data) (volonteering users)interaction patterns detection systemKey performance indicators (KPIs): Outcome: Scam detection software • High precision and recall in the scam detection • Plugins for off-line e-mail clients • Reduced rate of successful scams • Software for E-Mail systems • Software for Message-Boards • Software for social networks
Outlook…Most fraud occurs offline with 3 bn dollars inthe US alone Warning! This person might be a scammer! Google Goggles Image Source: Thomas Hawk, CC-BY http://www.flickr.com/photos/thomashawk/