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OWASP – Web Spam Techniques Roberto Suggi Liverani Security Consultant Security-Assessment.com 29 April 2008
Who am I? ,[object Object],[object Object],[object Object],[object Object]
Agenda ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Web Spam - Introduction ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Web Spam – White Hat and Black Hat SEO ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
The Web Spam Business ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Web Spam – Aggressive Black Hat SEO ,[object Object],[object Object],[object Object],[object Object],[object Object]
Web Spam – The “online pharmacy” industry ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Web Spam – Affiliate/Associate Programs  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Web Spam – Affiliate/Associate Programs ,[object Object],[object Object],[object Object],[object Object]
Web Spam – Affiliate/Associate Programs ,[object Object]
Web Spam – Affiliate/Associate Programs ,[object Object],[object Object]
Web Spam – So how does it work? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Web Spam – Online Pharmacy Keywords ,[object Object],Keywords Google Yahoo Live Spam Links Buy viagra online 11,200,000 44,600,000 57,400,000 G:4/10 Y:6/10 L:10/10 Cheap viagra 12,100,100 36,700,000 53,100,000 G:7/10 Y:7/10 L:9/10 Buy cialis online 7,810,000 33,400,000 25,000,000 G:8/10 Y:9/10 L:10/10 Buy phentermine online 4,340,000 27,000,000 52,600,000 G:8/10 Y:8/10 L:10/10
Web Spam – Recognising web spam links ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Web Spam Techniques – Case Studies ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Web Spam Techniques – Case Study I ,[object Object],[object Object],[object Object],[object Object]
Web Spam Techniques – Case Study I ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Web Spam Techniques – Case Study I ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],PR Google Index Google Links Yahoo Index Yahoo Links Yahoo Link domains Live Index MSN Links Alexa Rank Online Since 5 1590 112 1530 433 19726 7220 1 836238 Aug 2003
Web Spam Techniques – Case Study I ,[object Object],[object Object],[object Object],[object Object],[object Object]
Web Spam Techniques – Case Study I ,[object Object],[object Object],[object Object],[object Object],[object Object]
Web Spam Techniques – Case Study I ,[object Object],[object Object],[object Object]
Web Spam Techniques – Case Study I ,[object Object],[object Object],[object Object],[object Object],[object Object]
Web Spam Techniques – Case Study II ,[object Object],[object Object],[object Object],[object Object]
Web Spam Techniques – Case Study II ,[object Object],[object Object],[object Object],[object Object],[object Object]
Web Spam Techniques – Case Study II ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],PR Google Index Google Links Yahoo Index Yahoo Links Yahoo Link domains Live Index MSN Links Alexa Rank Online Since 6 6530 399 8640 25 8123 18900 0 370332 Nov 1996
Web Spam Techniques – Case Study II ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Web Spam Techniques – Case Study II ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Web Spam Techniques – Case Study II ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Web Spam Techniques – Case Study II ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Web Spam Techniques – Case Study III ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Web Spam Techniques – Case Study III ,[object Object],[object Object],[object Object],[object Object],[object Object]
Web Spam Techniques – Case Study III ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],PR Google Index Google Links Yahoo Index Yahoo Links Yahoo Link domains Live Index MSN Links Alexa Rank Online Since 6 586000 3660 231887 73748 1010000 476000 0 9102 Jun 2006
Web Spam Techniques – Case Study III ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Web Spam Techniques – Case Study III ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Web Spam Techniques – Case Study III ,[object Object]
Web Spam Techniques – Case Study III ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Web Spam Techniques – Case Study III ,[object Object],[object Object]
Web Spam Techniques – Case Study III ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Web Spam Techniques – Case Study III ,[object Object],[object Object],[object Object],[object Object]
Web Spam Techniques – Case Study IV ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Web Spam Techniques – Case Study III ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],PR Google Index Google Links Yahoo Index Yahoo Links Yahoo Link domains Live Index MSN Links Alexa Rank Online Since 6 14700 2960 19400 23874 119300 159000 3 165573 Apr 1997
Web Spam Techniques – Case Study IV ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Web Spam Techniques – Case Study IV ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Web Spam Techniques – Case Study IV ,[object Object],[object Object]
Web Spam Techniques – Case Study IV ,[object Object],[object Object],[object Object],[object Object],[object Object]
Web Spam Techniques – Case Study IV ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Web Spam – Security Considerations ,[object Object],[object Object],[object Object],[object Object]
Web Spam – Security Recommendations ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Web Spam Techniques – Questions? ,[object Object],[object Object],[object Object],[object Object],[object Object]
Web Spam Techniques - Disclaimer ,[object Object],[object Object],[object Object]
Web Spam Techniques - References ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Web Spam Techniques - References ,[object Object],[object Object],[object Object]

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Web Spam Techniques

  • 1. OWASP – Web Spam Techniques Roberto Suggi Liverani Security Consultant Security-Assessment.com 29 April 2008
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Hinweis der Redaktion

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