Attacks have many phases—before it is launched, the attacker needs to stage Internet infrastructure to support each phase. Two early phases are to redirect/link to a malicious Web domain or send a malicious email attachment. For the former, most attacks leverage exploit kits (e.g. Angler) as the first stage before dropping the final payload. OpenDNS effectively blocks initial exploit and phishing domains.
At High Point Solutions we’ve partnered with OpenDNS (now part of Cisco) to bring you the market leading DNS-layer network security