Unpatched.ai finds unknown vulnerabilities with the help of AI, helping secure our customers from potential cyber threats missed by existing cybersecurity solutions.
Protect your applications from bots with Procaptcha. GDPR compliant, privacy friendly, open source, and better value than alternatives. Switch from reCAPTCHA in minutes.
SecurityTrails enables you to explore complete current and historical data for any internet assets. IP & DNS history, domain, SSL and Open Port intelligence made easy
Protecting free expression from digital attacks. Project Shield is a free service that defends news, human rights, and elections-related sites from DDoS attacks.
Probely is a web application and API vulnerability scanner for agile teams. Automate Security Testing by adding Probely into your SDLC and CI/CD pipelines.
Vade is a global leader in AI-powered email security. We protect 1.4 billion mailboxes worldwide. Discover our security solutions for MSPs, SMBs, and ISPs.
Trading bot mapping: identify B2B visitors to your website. Discover new B2B prospects, obtain information on the legal entities that crawl your sites, and enter into new partnerships.
The #1 cybersecurity upskilling platform. Hack The Box gives individuals, businesses and universities the tools they need to continuously improve their cybersecurity capabilities — all in one place.
PortSwigger offers tools for web application security, testing, & scanning. Choose from a range of security tools, & identify the very latest vulnerabilities.
Certbot is a fully-featured, extensible client for the Let's Encrypt CA (or any other CA that speaks the ACME protocol) that can automate the tasks of obtaining certificates and configuring webservers to use them
Let's Encrypt is a free, automated, and open certificate authority brought to you by the nonprofit Internet Security Research Group (ISRG). Read all about our nonprofit work this year in our 2023 Annual Report.
Cyber intelligence for global security and stability. NSO creates technology that helps government agencies prevent and investigate terrorism and crime to save thousands of lives around the globe.
The leading exploit acquisition platform for premium zero-days and advanced cybersecurity research. Our platform allows security researchers to sell their 0day exploits for the highest rewards.
Bugcrowd teams with elite security researchers to reduce risk & improve security ROI through our bug bounty, pen testing, & vulnerability disclosure programs.
Crypto Museum preserves the history of cipher machines, spy radio sets, covert equipment, TSCM, intelligence services and much more, and provides in-depth technical details.
Endpoint Security for Teams That Slack. Kolide messages your employees on Slack providing customized security and compliance recommendations for their Linux, Mac, and Windows devices.
Fleet is the lightweight, programmable telemetry platform for servers and workstations. Get comprehensive, customizable data from all your devices and operating systems — without the performance hit