Nmap is a free open source security scanner and network exploration tool available for Linux, Windows, UNIX and FreeBSD. Its documentation includes a reference guide covering command-line arguments, port scanning techniques, firewall and IDS evasion, and timing and performance, with the man page translated into 15 languages.
Kismet is a sniffer, WIDS, and wardriving tool for Wi-Fi, Bluetooth, Zigbee, RF, and more, running on Linux and macOS. It provides distributed capture over TCP sockets or websockets, a unified kismetdb logfile based on sqlite3, and a REST-like API for its embedded webserver.
Web Check is an OSINT and security tool that reports on a website's configuration, including IP information, SSL certificates, DNS records, cookies, crawl rules and response headers. The site states it supports 44 checks and produces results in about 20 seconds.
SSL Labs is a non-commercial research effort by Qualys offering documents, tools and thoughts related to SSL. It provides tools to test a server's certificate and configuration, test a browser's SSL implementation, and view SSL Pulse data on how other web sites are doing. It also publishes documentation on deploying SSL/TLS correctly.
Threat Radar is a real-time cyber threat intelligence radar showing vulnerabilities, malware, and global cyber threats, vulnerabilities, and attack patterns. It offers a live threat feed, geographic threat distribution, a threat timeline, and a REST API for access to threat intelligence data. A free account provides 30 API requests per hour.
Security Onion Solutions, LLC is the creator and maintainer of Security Onion, a free and open platform for threat hunting, network security monitoring and log management. It bundles free and open tools including Suricata, Zeek and the Elastic Stack, and the company sells products and services that fund development.
Ndiff is a tool that compares Nmap scans. It takes two Nmap XML output files and prints the differences between them, such as hosts coming up and down and ports becoming open or closed. It can produce human-readable text or machine-readable XML output and is used by the Zenmap GUI to compare scan results.
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Kismet is a sniffer, WIDS, and wardriving tool for Wi-Fi, Bluetooth, Zigbee, RF, and more, running on Linux and macOS. It provides distributed capture over TCP sockets or websockets, a unified kismetdb logfile based on sqlite3, and a REST-like API for its embedded webserver.
Web Check is an OSINT and security tool that reports on a website's configuration, including IP information, SSL certificates, DNS records, cookies, crawl rules and response headers. The site states it supports 44 checks and produces results in about 20 seconds.
SSL Labs is a non-commercial research effort by Qualys offering documents, tools and thoughts related to SSL. It provides tools to test a server's certificate and configuration, test a browser's SSL implementation, and view SSL Pulse data on how other web sites are doing. It also publishes documentation on deploying SSL/TLS correctly.
Threat Radar is a real-time cyber threat intelligence radar showing vulnerabilities, malware, and global cyber threats, vulnerabilities, and attack patterns. It offers a live threat feed, geographic threat distribution, a threat timeline, and a REST API for access to threat intelligence data. A free account provides 30 API requests per hour.
Security Onion Solutions, LLC is the creator and maintainer of Security Onion, a free and open platform for threat hunting, network security monitoring and log management. It bundles free and open tools including Suricata, Zeek and the Elastic Stack, and the company sells products and services that fund development.
Ndiff is a tool that compares Nmap scans. It takes two Nmap XML output files and prints the differences between them, such as hosts coming up and down and ports becoming open or closed. It can produce human-readable text or machine-readable XML output and is used by the Zenmap GUI to compare scan results.
