Cisco Umbrella Popularity List
The Cisco Umbrella Popularity List contains the most queried domains based on passive DNS usage across the Umbrella global network, reflecting the domain's relative internet activity agnostic to the invocation protocols and applications.
FEATURES
ALTERNATIVES
A collection of public YARA signatures for various malware families.
CRITs is an open source malware and threat repository for collaborative threat defense and analysis.
Aggregator of FireHOL IP lists with HTTP-based API service and Python client package.
Malware Patrol offers a range of threat intelligence solutions, including enterprise data feeds, DNS firewall, phishing threat intelligence, and small business protection.
A cybersecurity concept categorizing indicators of compromise based on their level of difficulty for threat actors to change.
A community-driven list of sample security analytics for auditing cloud usage and detecting threats in Google Cloud.
AbuseHelper is an open-source framework for receiving and redistributing abuse feeds and threat intel.
GCTI's open-source detection signatures for malware and threat detection
PINNED
Mandos Brief Newsletter
A weekly newsletter providing cybersecurity leadership insights, industry updates, and strategic guidance for security professionals advancing to management positions.
PTJunior
An AI-powered penetration testing platform that autonomously discovers, exploits, and documents vulnerabilities while generating NIST-compliant reports.
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.
ImmuniWeb® Discovery
ImmuniWeb Discovery is an attack surface management platform that continuously monitors an organization's external digital assets for security vulnerabilities, misconfigurations, and threats across domains, applications, cloud resources, and the dark web.
Checkmarx SCA
A software composition analysis tool that identifies vulnerabilities, malicious code, and license risks in open source dependencies throughout the software development lifecycle.
Orca Security
A cloud-native application protection platform that provides agentless security monitoring, vulnerability management, and compliance capabilities across multi-cloud environments.
DryRun
A GitHub application that performs automated security code reviews by analyzing contextual security aspects of code changes during pull requests.