Best ZeroFox Threat Intelligence Feeds Alternatives & Competitors in 2026

Constella Threat Intelligence Data Signals API

API providing access to compromised identity data and threat signals

CYBERA Signals

Free mule account alert feed for banks to detect scam-linked accounts.

SecurityScorecard Intelligence Feeds

Cyber threat intelligence feeds for SOC and threat intelligence teams

SecurityZones SURBL BV

Domain reputation threat intelligence feeds for malicious domain detection

Netcraft Threat Feeds

Threat intelligence feeds covering 100+ attack types with 5-min updates

IPQS IP Address Abuse Feed

Daily threat intel feed identifying malicious IPs with abuse classifications

Malware Patrol Enterprise CTI

Enterprise threat intelligence feeds covering malware, phishing, C2, and IPs

CYJAX Investigative Intelligence

Investigative intelligence service for law enforcement agencies

Abusix Guardian Intel

Real-time threat intel feeds sourced from honeypots & ISP abuse reports.

OpenAVN Data

Digital threat intel platform with 300TB+ of malware data, AI analytics & forecasting.

IronNet IronRadar

Proactive C2 threat intelligence feed for detecting adversary infrastructure

KELA Technical Cybercrime Intelligence

Technical threat intel feed of compromised IPs/domains from cybercrime sources

Malware Patrol Threat Intelligence

Threat intelligence feeds providing malware and threat data in multiple formats

NETSCOUT ATLAS Intelligence Feed (AIF)

AI-powered threat intelligence feed for automated DDoS protection

VMRay UniqueSignal

Behavior-based threat intel feed delivering malware IOCs with context

zvelo PhishBlocklist™

Curated phishing threat intelligence feed with predictive detection

Abusix Threat Intelligence

Real-time threat intel platform with IP/domain reputation scoring and low false positives.

alphaMountain Threat Intel & URL Classification

AI-powered URL classification & IP reputation feed/API for security vendors.

CrowdSec Live Exploit Tracker

Real-time CVE exploitation tracker with active IP feeds and IoC visibility.

Vultara Threat Intelligence

Automotive-focused threat intelligence service producing ISO/SAE 21434 compliant

SikkerAPI

IP reputation & threat intel API backed by honeypot sensors and community reports.

Q-Feeds OPNsense Integration

Plugin that feeds curated threat intel as firewall aliases into OPNsense

Bitdefender Operational Threat Intelligence

Threat intelligence platform providing global threat visibility and IoCs

Nozomi Networks Threat Intelligence

OT/IoT threat intelligence feed for vulnerability and malware detection

DarkOwl Ransomware API

API for monitoring ransomware sites to detect org compromises & extortion

Hitachi Cyber Cyber Threat Intelligence Services

CTI services combining human expertise and AI for threat analysis

IP2Location IP2Proxy Proxy Detection Database

Database for detecting VPNs, proxies, Tor exits, and anonymization services

VerSprite Weekly Threat Intelligence

Weekly threat intelligence briefings published by VerSprite

Nothreat ThreatShield

AI-driven threat intel feeds for automated blocking on 20+ firewall vendors

Critical Start CTI

Managed CTI service monitoring dark web & open sources for emerging threats.

Mobile Threat Intelligence

Mobile-focused threat intel covering apps, devices, URLs, APTs, and malware.

defend.network

Free daily cyber threat briefings and CVE tracking, verified against NVD and CISA KEV.

CTIChef.com Detection Feeds

A tiered cyber threat intelligence service providing detection rules from public repositories with varying levels of analysis, processing, and guidance for security teams.

OPSWAT MetaDefender InSights C2

Real-time C2 infrastructure detection and disruption threat intelligence feed

MaxMind GeoIP Insights

IP intelligence platform for proxy/VPN detection and geolocation

Sec1 ZeroDefender

Real-time zero-day vulnerability detection and alerting platform

DNSSense Cyber X-Ray

AI-powered DNS domain threat intelligence service for DDR 2.0 solutions.

Farsight Security DNSDB

Passive DNS intelligence platform for threat detection and investigation.

Broadsheet

Vulnerability intel service tracking CVEs for your specific vendor/product stack.

Lab539 Cyber Defence Services

Tailored cyber defence, adversary hunting, and proactive AiTM threat intelligence services

Packet Forensics Cyber Intelligence

Commercial threat intel service for enrichment, attribution

Cybersec Feeds

A threat intelligence aggregation service that consolidates and summarizes security updates from multiple sources to provide comprehensive cybersecurity situational awareness.

PhishTank

Community-driven phishing URL archive operated by Cisco Talos.

RiskAnalytics ShadowNet

Free threat intel feed blocking malicious IPs/domains via global sensors.

CyberCure Advanced Cyber Threat Intelligence

Free cyber threat intelligence feeds for proactive threat detection