Understanding the threat of DNS cache poisoning

By | April 23, 2024

DNS cache poisoning is a cyber attack that exploits vulnerabilities in the Domain Name System (DNS) to redirect users to malicious websites or intercept sensitive information. In this attack, the cybercriminal manipulates the DNS cache of a recursive resolver to associate legitimate domain names with malicious IP addresses. As a result, unsuspecting users are directed to fraudulent websites or servers controlled by the attacker, where their sensitive data may be compromised. DNS cache poisoning attacks can have widespread consequences, undermining the trust and integrity of the entire DNS infrastructure. To mitigate this threat, DNS operators must implement secure DNS protocols, regularly update DNS software, and deploy protective measures such as DNSSEC (DNS Security Extensions) to authenticate DNS responses and prevent attacks. Discover ways to mitigate the risk of DNS cache poisoning!

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