What is the purpose of DNSSEC and what attack does it prevent?

Cybersecurity Fundamentals Hard

Cybersecurity Fundamentals — Hard

What is the purpose of DNSSEC and what attack does it prevent?

Key points

  • DNSSEC prevents attackers from injecting fake DNS responses
  • Resolvers can verify the authenticity of DNS records
  • Cryptographic signatures are added to DNS data
  • Protects against DNS cache poisoning attacks

Ready to go further?

Related questions