Security Technologies - E-Commerce - Lecture Slides, Slides of Fundamentals of E-Commerce

Download Security Technologies - E-Commerce - Lecture Slides and more Slides Fundamentals of E-Commerce in PDF only on Docsity! E-Commerce Introduction to Security and Privacy Technology (plus some review of last week) Docsity.com Reading Assignment for this week: Appendix E of The Digital Dilemma Docsity.com http www.cs.yale.edu index.html Protocol Host domain name Local file What does mean? Docsity.com • Late 1990: WWW, HTTP, HTML, “Browser” invented by Tim Berners-Lee • Mid-1994: Mosaic Communications founded (later renamed to Netscape Communications) • Summer of 1995: Market share 80%+ • August 1995: Windows 95 released with Internet Explorer • January 1998: Netscape announced that its browser would thereafter be free; the development of the browser would move to an open-source process Docsity.com 1994 1995 1996 1997 1998 1999 2000 2001 100% 80% 60% 40% 20% Estimated Market Share of Netscape NOTE: data are from different sources and not exact Nov 1998: AOL buys Netscape Docsity.com Browser as “Soul of the Internet” • “New layer” (Note Internet architectural triumph!) • Portal business – Early “electronic marketplace” – Necessity of strategic alliances – “Positive transfers” to customers • (Temporarily?) Killed R&D efforts in user interfaces Docsity.com Pluses and Minuses of Network Effects + Initial “Metcalf’s Law”- based boom + Initial boom accelerated by bundling, complementary products, etc. - Market share = lock in high market cap = high switching costs - Network effects strong for “browser” but weak for any particular browser Docsity.com Exposed the True Nature of Microsoft • 1995: Navigator released, MS rushes IE to market • 1996: Version 3.0 of IE no longer technically inferior (“Openness” and standardization begets commoditization) • MS exploits advantage with strategic allies (Windows!) – Contracts with ISPs to make IE the default – Incents OEMs not to load Netscape products – Exclusive access to premium content (from, e.g., Star Trek) • 1998: MS halts browser-based version of these “strategies” under DoJ scrutiny of its contracts with ISPs. Docsity.com Recall general question we are addressing in CPSC155b: “What is the underlying technological development, and what is its effect on business?” But most of those security technologies are not new! Docsity.com Newly Relevant to General Public • Browser activity is monitorable • One user’s browser may interact with many websites Many ‘unknown’ website operators can collect a lot of data about the behavior of browsers at specific IP addresses. ?? Threat or Opportunity ?? Docsity.com Internet Architecture ISP 1 ISP 2 ISP 3 NAP commercial customer access router gateway router dial-in access destination destination interdomain protocols intradomain protocols private peering Docsity.com Controversial use: “Targeted Ads” DoubleClick can get many related cookies DoubleClick Customer Merchant1 MerchantN . . . . . . Docsity.com • Brouhaha when DoubleClick acquired Abacus, a ‘real-world’ syndicated data publisher • Discussion Point: Do you feel threatened by DoubleClick? Why or why not? Docsity.com