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DNS spoofing, also referred to as DNS cache poisoning, is a form of computer security hacking in which corrupt Domain Name System data is introduced into the DNS resolver's cache, causing the name server to return an incorrect result record, e.g. an IP address. This results in traffic being diverted to any computer that the attacker chooses.
DNS hijacking, DNS poisoning, or DNS redirection is the practice of subverting the resolution of Domain Name System (DNS) queries. [1] This can be achieved by malware that overrides a computer's TCP/IP configuration to point at a rogue DNS server under the control of an attacker, or through modifying the behaviour of a trusted DNS server so that it does not comply with internet standards.
Cache poisoning refers to a computer security vulnerability where invalid entries can be placed into a cache, which are then assumed to be valid when later used. [1] Two common varieties are DNS cache poisoning [ 2 ] and ARP cache poisoning .
Pharming is a cyberattack intended to redirect a website's traffic to another, fake site by installing a malicious program on the victim's computer in order to gain access to it. [citation needed] Pharming can be conducted either by changing the hosts file on a victim's computer or by exploitation of a vulnerability in DNS server software.
DNS is implemented by the use of several resource records. To implement DNSSEC, several new DNS record types were created or adapted to use with DNSSEC: RRSIG (resource record signature) Contains the DNSSEC signature for a record set. DNS resolvers verify the signature with a public key, stored in a DNSKEY record. DNSKEY
Cache poisoning; Clear channel assessment attack; Cloudbleed; Common Vulnerabilities and Exposures; Copy attack; Covert channel; Cross-application scripting; Cyber Insider Threat; Cybersecurity Capacity Maturity Model for Nations
However, in practice, the root nameserver infrastructure is highly resilient and distributed, using both the inherent features of DNS (result caching, retries, and multiple servers for the same zone with fallback if one or more fail), and, in recent years, a combination of anycast and load balancer techniques used to implement most of the ...
Kaminsky was known among computer security experts for his work on DNS cache poisoning, for showing that the Sony rootkit had infected at least 568,000 computers, [4] and for his talks at the Black Hat Briefings. [3] On June 16, 2010, he was named by ICANN as one of the Trusted Community Representatives for the DNSSEC root. [5]