DNS is one of the few protocols that almost every network communication depends on, which makes it an unusually good vantage point for detecting malicious activity: malware calling out to a command-and-control server, a phishing domain registered hours before a campaign launches, or data quietly exfiltrated through DNS queries themselves. Despite this, DNS traffic remains under-monitored relative to its value as a detection surface in many enterprise security programs.
Protective DNS as a practical, high-leverage control
Protective DNS services filter queries against continuously updated threat intelligence, blocking connections to known-malicious domains before a connection is even established—stopping a meaningful share of malware and phishing attempts with a control that requires no endpoint agent and works consistently across managed and unmanaged devices alike. Newly registered domains deserve particular scrutiny, since attackers frequently register infrastructure just before a campaign, making domain age itself a useful, low-cost signal.
DNS query logs also provide investigators with a uniquely complete record of what a compromised device attempted to reach, often revealing the full scope of an incident faster than reconstructing activity from endpoint logs alone.
JIG helps enterprises build DNS security programs that turn an overlooked protocol into one of the most cost-effective layers of the defense stack.