New document : 5 minutes to understand DNS cache poisoning

The DNS (Domain Name System) is a key service of the Internet. It is a giant, hierarchical and distributed directory that associates IP addresses with domain names that are easier to identify, remember and transmit. It is the cornerstone of the Internet, whose infrastructure has flaws by its very conception, making it an ideal target for attacks. On one hand, the DNS service is based on the authoritative DNS, which holds the information, and on the other hand, the resolver DNS, which ca... Read More

The 3 most common DNS attacks and how to defeat them

In October 2016, many popular websites like Amazon, Twitter, Netflix and Spotify have become unavailable to millions web users in the United Sates, during almost 10 hours, i.e. an eternity. The cause, one of the most powerful attacks of Internet history on Dyn’s DNS services, a major actor in this sector. Other companies like Google, The New York Times and many banks have also been the victims of different kinds of attacks aiming at the DNS, the last few years, and if in many companies, the D... Read More

 

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