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This webinar explores the vulnerabilities of traditional DNS, which lacks authentication, message integrity, and privacy protections. Attendees will learn how DNS cache poisoning works, where attackers trick recursive resolvers into storing false information to redirect users to malicious sites. The webinar covers the probability of successful attacks, using the birthday problem analogy to explain the ease of guessing Transaction IDs (TXIDs). It also discusses defenses against cache poisoning, such as rate limiting, and highlights DNS Security Extensions (DNSSEC) as a comprehensive solution for enhancing DNS security.

Choose an Upcoming Event

  • DSA-WS: What is DNS Cache Poisoning?

    Tuesday, Feb 25, 2025 at 10:00 AM to 11:00 AM EST
    • Location: Infoblox Virtual (#blox-virtual-public-ams)
    • Instructor: Josh Kuo