DEF CON CTF Archive
A live, playable archive of DEF CON CTF challenges. Challenges are not particularly malicious or dangerous, but they are vulnerable by design. Containers isolate them, but it's up to you to play safely. Containers isolate them, but it's up to you to play safely. We're archiving more challenges and appreciate issue reports and suggestions. Just be mindful that running the CTF is tough and has priority. General archive FAQ If you ran a cool CTF and want to give a shot at archiving your challenges, ping us at team@oooverflow.io Start here!
FEATURES
ALTERNATIVES
Linux-based operating system intentionally vulnerable for cybersecurity practice.
A comprehensive guide to Python 3 syntax, features, and resources in a single image.
INE Security offers a range of cybersecurity certifications, including penetration testing, mobile and web application security, and incident response.
A workshop offering resources for local privilege escalation on Windows and Linux systems.
Learn how hackers find security vulnerabilities, exploit web applications, and how to defend against these attacks.
A vulnerable web application for learning about web application vulnerabilities and writing secure code.
PINNED
InfoSecHired
An AI-powered career platform that automates the creation of cybersecurity job application materials and provides company-specific insights for job seekers.
Mandos Brief Newsletter
A weekly newsletter providing cybersecurity leadership insights, industry updates, and strategic guidance for security professionals advancing to management positions.
CTIChef.com Detection Feeds
A tiered cyber threat intelligence service providing detection rules from public repositories with varying levels of analysis, processing, and guidance for security teams.
ImmuniWeb® Discovery
ImmuniWeb Discovery is an attack surface management platform that continuously monitors an organization's external digital assets for security vulnerabilities, misconfigurations, and threats across domains, applications, cloud resources, and the dark web.
Checkmarx SCA
A software composition analysis tool that identifies vulnerabilities, malicious code, and license risks in open source dependencies throughout the software development lifecycle.
Orca Security
A cloud-native application protection platform that provides agentless security monitoring, vulnerability management, and compliance capabilities across multi-cloud environments.
DryRun
A GitHub application that performs automated security code reviews by analyzing contextual security aspects of code changes during pull requests.