Glossary

DNSSEC

DNSSEC adds digital signatures to DNS answers - it proves the response came from the real source and was not modified.

What is DNSSEC?

DNS Security Extensions that add cryptographic signatures to DNS records to prevent tampering.

Why Should You Care?

DNS poisoning can redirect users to malicious sites. DNSSEC provides authenticity and integrity for DNS responses.

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Real-World Example

DNSSEC validation prevents an attacker who compromised a DNS server from redirecting banking traffic to a phishing site.

How to Protect Against DNSSEC

  1. 1.

    Enable DNSSEC validation on DNS resolvers

  2. 2.

    Sign your organization domains with DNSSEC

Related Terms

Dns Security, Cryptography, Authentication

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