SANS Institute provides expert-led cybersecurity training, GIAC certifications, and community resources for cybersecurity professionals globally.

PortSwigger provides Burp Suite, the world's #1 web penetration testing toolkit and DAST scanner for web application security testing and vulnerability identification.

Bugcrowd is a crowdsourced cybersecurity platform for bug bounty and pen testing.

Trustwave is a leading cybersecurity and managed security services provider (MSSP) focused on 24/7 managed detection and response (MDR) for global organizations.

Exploit Database is a CVE compliant archive of public exploits, shellcode, and vulnerability reports for penetration testers and security researchers.

Hack The Box is a cybersecurity training platform that specializes in penetration testing and ethical hacking.

Metasploit is the world's most used penetration testing framework and software for finding vulnerabilities and managing security assessments.

Intruder is a vulnerability and attack surface management platform that uses AI to help companies discover, prioritize, and fix security weaknesses before they lead to breaches.

INE provides expert online IT training for networking, cybersecurity, cloud, and data science, focusing on hands-on, scenario-based certifications.

Synack is a leading Penetration Testing as a Service (PTaaS) platform combining agentic AI and an elite community of security researchers for continuous vulnerability management.

VeecoTech is an award-winning custom software, mobile app development, and digital marketing agency based in Malaysia.

Halborn is a blockchain security firm for enterprise-grade digital assets.

Praetorian offers Continuous Offensive Security and Threat Exposure Management using an AI-powered platform (Chariot) to proactively find and fix exploitable vulnerabilities.

RSI Security is a premier cybersecurity and compliance provider offering expert advisory, managed defense, penetration testing, and risk management services across industries.

evilsocket is a platform/personal blog focusing on advanced cybersecurity research, penetration testing tools like Bettercap, and machine learning applications in security.

Cyberscope is a leading blockchain security company providing end-to-end protection for Web3 projects through smart contract audits, KYC, and penetration testing.

PentesterLab Pro offers expert-level web hacking and security code review training using real-world CVEs and hands-on labs for security professionals.

Packetlabs is a CREST and SOC 2 accredited North American penetration testing company delivering impact-first findings beyond automated scans to uncover real security risks.

Security Audit Systems is a leading provider of penetration testing, website security auditing, and managed security services for organizations globally.

QuillAudits is a leading blockchain security auditor offering smart contract audits, penetration testing, and dual code reviews to secure Web3 projects and digital assets.

Evalian is a consultancy for data protection, cyber security, and ISO standards.

Beagle Security is an AI-powered AppSec platform for web application security testing and is used by developers and security engineers.

Include Security is an application security consulting company based in New York City

DeepStrike is a world-renowned leader in manual penetration testing and attack surface management, enabling organizations to expand their security initiatives confidently.