DNS hijacking

An attack that changes the DNS (glossary)DNS Domain Name System The internet's directory that links domain names to computer addresses. Full definition of DNS answers users get for a domain, sending them to servers the attacker controls. Attackers may take over the registrar (glossary)registrar A company that registers domain names for customers with the registry. Full definition of registrar account, the DNS provider (glossary)DNS provider A company that runs the name servers for a domain, which may differ from the registrar. Full definition of DNS provider or the name server (glossary)name server A server that holds a domain's DNS records and answers lookups. Full definition of name server records, or tamper with resolvers (glossary)resolver The DNS server that looks up domain names on behalf of users. Full definition of resolver or home routers. Registry lock (glossary)registry lock A registry-level lock that strongly protects a domain against unauthorized changes. Full definition of registry lock and two-step login help protect the domain's own settings.