DNS filtering intercepts domain lookup requests before a connection is established, blocking phishing sites, malware callbacks, and ransomware staging infrastructure before any code executes or credential is entered. Unlike EDR (which catches threats after a file lands) or email filtering (which blocks attachments before delivery), DNS filtering operates at the network layer and covers every device, including those that aren't patched.
Expert IT Leadership Blogs |
A financial services firm discovered its breach six weeks after it happened, an employee on a home network had clicked a credential-harvesting link, and the attacker moved laterally through shared drives without triggering any alerts because the login came from a recognized account. Remote work distributes your attack surface across every home office, coffee shop, and hotel network employees connect from.