Best NebuSec Vulnerability Index Alternatives & Competitors in 2026

Cyberwatch Vulnerability Encyclopedia

Searchable database of vulnerabilities, alerts, and attack kits

CVE

The CVE Program catalogs publicly disclosed cybersecurity vulnerabilities.

Armis Vulnerability Intelligence Database

AI-powered vulnerability intelligence database with real-time threat context

Picus Threat Library

Threat intelligence library with 30,000+ threats mapped to MITRE ATT&CK

Antiy High-level Threat Intelligence Svc

Subscription threat intel service with reports, translations & security notifications.

Critical Start CTI

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

defend.network

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

VERIS Community Database

A publicly available dataset of security incidents designed to support cybersecurity research and threat analysis.

Sec1 ZeroDefender

Real-time zero-day vulnerability detection and alerting platform

Nozomi Networks Threat Intelligence

OT/IoT threat intelligence feed for vulnerability and malware detection

Ivanti Neurons for Vulnerability Knowledge Base

Vulnerability threat intelligence platform with risk-based scoring and CVE/CWE data

VerSprite Weekly Threat Intelligence

Weekly threat intelligence briefings published by VerSprite

CrowdSec Live Exploit Tracker

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

Safety Vulnerability Database

Proprietary Python vulnerability DB with AI detection & expert verification.

SecurityTrails API™

API providing historical & current DNS, WHOIS, and domain intelligence data.

Mobile Threat Intelligence

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

Broadsheet

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

Vultara Threat Intelligence

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

Cybersec Feeds

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

Q-Feeds OPNsense Integration

Plugin that feeds curated threat intel as firewall aliases into OPNsense

Wigle

WiGLE.net is a platform that collects and provides data on WiFi networks and cell towers, with over 1.3 billion networks collected.

APT Groups and Operations

A comprehensive list of APT groups and operations for tracking and mapping different names and naming schemes used by cybersecurity companies and antivirus vendors.

CI Army List

A comprehensive list of IP addresses for cybersecurity purposes, including threat intelligence, incident response, and security research.

CyberOwl

CyberOwl aggregates and summarizes daily security advisories from multiple CERT organizations and threat intelligence sources into consolidated reports.

MITRE ATT&CK and CAPEC Datasets in STIX 2.0

Repository containing MITRE ATT&CK and CAPEC threat intelligence datasets formatted in STIX 2.0 standard for cybersecurity analysis and threat intelligence sharing.

abuse.ch

Platform providing community-driven threat intelligence on cyber threats with a focus on malware and botnets.

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.

Constella Threat Intelligence Data Signals API

API providing access to compromised identity data and threat signals

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

OPSWAT MetaDefender InSights C2

Real-time C2 infrastructure detection and disruption threat intelligence feed

Bitdefender Operational Threat Intelligence

Threat intelligence platform providing global threat visibility and IoCs

Malware Patrol Enterprise CTI

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

Malware Patrol Threat Intelligence

Threat intelligence feeds providing malware and threat data in multiple formats

ThreatSTOP IP Defense

Cloud service that automates threat blocking on firewalls, routers & switches

MaxMind IP Geolocation API

API service providing IP geolocation data and intelligence for security use cases

MaxMind GeoIP Insights

IP intelligence platform for proxy/VPN detection and geolocation

ZeroFox Threat Intelligence Feeds

Threat intelligence feeds for SOC teams from social, dark web & botnet sources

CYJAX Investigative Intelligence

Investigative intelligence service for law enforcement agencies

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

NETSCOUT ATLAS Intelligence Feed (AIF)

AI-powered threat intelligence feed for automated DDoS protection

SecurityScorecard Intelligence Feeds

Cyber threat intelligence feeds for SOC and threat intelligence teams

VMRay UniqueSignal

Behavior-based threat intel feed delivering malware IOCs with context

zvelo PhishBlocklist™

Curated phishing threat intelligence feed with predictive detection