Click here

DNS SEC

Short for DNS Security Extensions, DNS SEC is a set of extensions used to add an additional layer of security to the Domain Name System (DNS). DNS SEC was designed to prevent specific types of popular attacks on the Internet and protect against these threats to the Domain Name System. The specific extensions provide origin authentication of DNS data, data integrity and also to authenticate denial of existence. May also be seen written as DNSSEC.



Top Terms

Connect with Webopedia

  • The Difference Between Adware & Spyware

    Not technically fitting into either the virus or spam category we have spyware and adware, which are growing concerns for Internet users.

    Read More »

Did You Know? Archive »

  • Quick Reference Archive »