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hackthebox.com

On Friday, 20 November 2020 13:00 pm UTC we will be holding our Global Universities CTF. A non-stop 48-hour Jeopardy Style CTF, from Beginner to Hard. Join now for free!

portswigger.net

Burp Suite Professional is the world's most popular tool for web security testing. Get a free trial now and identify the very latest vulnerabilities.

kali.org

Home of Kali Linux, an Advanced Penetration Testing Linux distribution used for Penetration Testing, Ethical Hacking and network security assessments.

virustotal.com

virustotal

shodan.io

Search engine of Internet-connected devices. Create a free account to get started.

owasp.org

Projects on the main website for The OWASP Foundation. OWASP is a nonprofit foundation that works to improve the security of software.

exploit-db.com

the exploit database - exploits, shellcode, 0days, remote exploits, local exploits, web apps, vulnerability reports, security articles, tutorials and more.

hackerone.com

HackerOne combines AI with the ingenuity of the largest community of security researchers to find and fix security, privacy, and AI vulnerabilities across the SDLC. HackerOne offers AI red teaming, crowdsourced security, bug bounty, vulnerability disclosure and pentesting.