Subfinder
Fast passive subdomain enumeration tool. Subfinder is a fast and efficient subdomain enumeration tool that can be used to find subdomains of a given domain. It uses a combination of techniques such as DNS lookups, web scraping, and API queries to find subdomains. Subfinder is designed to be fast and efficient, making it suitable for use in penetration testing and vulnerability assessment. It is also highly customizable, allowing users to specify the types of subdomains to search for and the level of recursion.
FEATURES
ALTERNATIVES
6Guard is an IPv6 attack detector sponsored by Google Summer of Code 2012 and supported by The Honeynet Project organization.
A multiplatform C++ library for capturing, parsing, and crafting network packets with support for various network protocols.
An OpenFlow honeypot that detects unused IP addresses and simulates network traffic to attract and analyze potential threats
A tool for taking a list of resolved subdomains and outputting any corresponding CNAMES en masse.
Load-balancing solution by Microsoft Azure with global infrastructure and financial guidance.
An extended traceroute tool for CSIRT operators with advanced features.
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.
OSINTLeak
OSINTLeak is a tool for discovering and analyzing leaked sensitive information across various online sources to identify potential security risks.
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.