nmap free security scanner, port scanner, & network exploration tool. download open source software for linux, windows, unix, freebsd, etc.

online vulnerability scanners to map the attack surface and identify vulnerabilities. 28 trusted open source security scanners and network tools.

kismet is a sniffer, wids, and wardriving tool for wi-fi, bluetooth, zigbee, rf, and more, which runs on linux and macos

darknet is your best source for the latest hacking tools, hacker news, cyber security best practices, ethical hacking & pen-testing.

snort is an open-source, free and lightweight network intrusion detection system (nids) software for linux and windows to detect emerging threats.

sans institute is the most trusted resource for cybersecurity training, certifications and research. offering more than 60 courses across all practice areas, sans trains over 40,000 cybersecurity professionals annually.

acunetix is an end-to-end web security scanner that offers a 360 view of an organization’s security. allowing you to take control of the security of all you web applications, web services, and apis to ensure long-term protection. acunetix’s scanning engine is globally known and trusted for its unbeatable speed and precision.

securedyou provides the latest tutorials on ethical hacking, pentest and cybersecurity. download the best hacking tools, apk apps and software here.

purple knight, built by semperis, is the top active directory security assessment tool today. identify threats and get prioritized guidance.