What Is Threat Intelligence and How Does It Work in Cybersecurity?

By Patrick Duggan, DugganUSA LLC • April 2, 2026

DugganUSA discovered that most organizations consume threat intelligence passively — waiting for vendor advisories that arrive days or weeks after initial compromise. We built a system that eliminates that gap entirely.

Threat Intelligence Defined

Threat intelligence is the collection, analysis, and distribution of information about current and emerging cyber threats. It transforms raw data — IP addresses, domain names, file hashes, URLs — into actionable indicators of compromise (IOCs) that security teams use to detect and block attacks before they succeed.

How DugganUSA Automates Threat Intelligence

DugganUSA's 3-layer cascade pipeline processes threat data at machine speed:

• Layer 1 — Collection: 10 upstream feeds including URLhaus, ThreatFox, Feodo Tracker, Spamhaus DROP, PhishTank, OpenPhish, Phishing Army, JA3 fingerprints, Tor exit nodes, and ISP threat cards.
• Layer 2 — Analysis: Framework scoring using CARVER, DREAD, Diamond Model, and Analysis of Competing Hypotheses (ACH). This layer also runs precursor detection and hall-of-shame correlation.
• Layer 3 — Distribution: Validated IOCs are packaged into STIX 2.1 bundles, OPNsense blocklists (IP/domain/URL), detection rules, and gap analysis reports.

Why Automation Matters

DugganUSA has made 5.37 million autonomous security decisions, blocking 1.96 million threats without human intervention. In one documented case, DugganUSA detected a supply chain threat 43 days before Zscaler published an advisory. Manual processes cannot match this speed.

Getting Started

DugganUSA's STIX 2.1 feed is free for up to 500 API calls per day. It integrates natively with Splunk, Microsoft Sentinel, CrowdStrike Falcon, Cortex XSOAR, Wiz, and OPNsense. Register for a free API key to start consuming threat intelligence in minutes.

Key Statistics

• 1M+ indicators of compromise from 15 upstream feeds
• 275+ consumers in 46 countries
• 37 Meilisearch indexes with 11M+ documents
• 3-layer cascade pipeline with multi-framework validation
• Free tier: $0/month, 500 API calls/day