Spam, Phishing, and the Looming Challenge of Big Botnets

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dc.contributor.authorHemmingsen, RenĀ“e H.eng
dc.contributor.authorAycock, Johneng
dc.contributor.authorJacobson Jr., Michaeleng
dc.date.accessioned2008-02-26T20:22:19Z
dc.date.available2008-02-26T20:22:19Z
dc.date.computerscience2007-05-17eng
dc.date.issued2007-05-17eng
dc.description.abstractWhat could a spammer or phisher do with a botnet of a thousand machines? a hundred thousand? a million? Send lots of email is the least worrisome answer to these questions. As anti-spam and anti-phishing defenses improve, there is more than sufficient financial motivation for spammers and phishers to consider what they can accomplish with enormous scale. We begin by looking at a wide range of anti-spam defenses. Many of these, like rate limiting and port 25 blocking, will simply no longer work against big botnets; we explain why. Further, the basic cryptographic assumptions underlying the implementation of SSL certificates and DomainKeys/DKIM need re-examination in light of the massive computing power of big botnets. We describe possible attacks by spammers and phishers, and the implications these attacks have in terms of defense.eng
dc.description.notesWe are currently acquiring citations for the work deposited into this collection. We recognize the distribution rights of this item may have been assigned to another entity, other than the author(s) of the work.If you can provide the citation for this work or you think you own the distribution rights to this work please contact the Institutional Repository Administrator at digitize@ucalgary.caeng
dc.identifier.department2007-865-17eng
dc.identifier.doihttp://dx.doi.org/10.11575/PRISM/30296
dc.identifier.urihttp://hdl.handle.net/1880/45379
dc.language.isoEngeng
dc.publisher.corporateUniversity of Calgaryeng
dc.publisher.facultyScienceeng
dc.subjectComputer Scienceeng
dc.titleSpam, Phishing, and the Looming Challenge of Big Botnetseng
dc.typeunknown
thesis.degree.disciplineComputer Scienceeng
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