Why does DNS abuse widen the gap in industrialized cybercrime?

TL;DR: Industrialized cybercrime is pushing defenders toward a wider visibility-to-action gap, with DNS abuse and automated infrastructure making campaigns harder to contain, according to Infoblox. DNS signals need to be joined with identity and endpoint telemetry before short-lived infrastructure disappears.

Editorial analysis by NHI Mgmt Group, based on content published by Infoblox: “Infoblox 2026 Threat Landscape Report”.

By the numbers:

• Infoblox identified 120 million newly observed domains over the past year.
• Infoblox classified 27 million newly observed domains as malicious or suspicious.
• 88% of threat-related domains were seen in a single-customer environment, reducing the reach of traditional detect-and-respond tools.

Key questions

Q: Why does DNS abuse make industrialized cybercrime harder to stop?

A: DNS abuse gives attackers a low-cost way to route victims, hide infrastructure and shift campaigns without changing the underlying phishing or malware logic.

Q: What signs indicate that an organisation is missing hidden attacker infrastructure?

A: Repeated lookalike domains, short-lived hostnames, single-customer sightings and lure traffic that does not match normal business patterns all suggest hidden infrastructure is slipping past controls.

Q: What breaks when adversaries can rebuild malicious infrastructure faster than defenders can block it?

A: Static blocklists, reputation checks and manual takedown workflows lose effectiveness when the attacker can rotate domains, hosts and lure content faster than the control plane updates.

Practitioner guidance

• Prioritise DNS telemetry in detection engineering Feed DNS query, resolution and domain-age data into SIEM and threat hunting workflows so short-lived attacker infrastructure is visible before it becomes a live campaign.
• Correlate identity events with infrastructure signals Join authentication logs, token use and privileged session activity with domain reputation and hosting patterns to catch account abuse tied to malicious destinations.
• Hunt for single-customer threat infrastructure Flag domains and services that appear isolated to one environment, because the report says 88% of threat-related domains were seen in a single-customer environment.

Bottom line: Industrialized cybercrime is shifting the defender problem from isolated incidents to repeatable attacker ecosystems that can regenerate infrastructure quickly.

Glossary terms: Industrialized Cybercrime, DNS Abuse, Visibility-to-action gap, Single-Customer Environment

Explore further

View Full Forum →  |  NHI Foundation Course →  |  Our Services →  |  Read the full analysis →