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Craig Taylor VP, Technology

Craig Taylor VP, Technology. Principles of a Reputation System. IronPort’s 2 nd Generation Reputation Filters Powered SenderBase. 11/10/2004. IronPort C-Series Architecture. “Give me a place to stand and I will move the earth” Archimedes. Reputation: Shades of Gray.

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Craig Taylor VP, Technology

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  1. Craig Taylor VP, Technology Principles of a Reputation System IronPort’s 2nd Generation Reputation Filters Powered SenderBase 11/10/2004

  2. IronPort C-Series Architecture “Give me a place to stand and I will move the earth” Archimedes

  3. Reputation: Shades of Gray

  4. Principles of a Reputation System • Requirements: • Diversity: Broad diverse set of data sources • Accuracy: Real-time accurate data • Objectivity: Objective and transparent scoring

  5. SenderBase: First and Largest Email Traffic Monitoring Network • 50,000 contributingorganizations • 5 billion queries daily • >25% of world’s Internet email SpamCop, SpamHaus (SBL), NJABL Extensive network of “invalid” accounts SpamCop, ISP abuse data, BondedSender abuse data Spamtraps & Complaint Data Blacklists 3rd party email accreditation Message size, number of attachments, attachment types Message Composition Data Open Proxy Data SORBS, OPM, DSBL… Fortune 1000 status, length of sending history, location, whether domain accepts email, etc. Global Volume Data Other Data 50,000 organizations (25% of all email) Authenticated Unknown Sender Reputation Established

  6. The Power of Data

  7. Identity. Reputation. Policy. MORE INFO AT: www.ironport.com/ftc

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