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
SIMILAR TOOLS
Comprehensive endpoint protection platform providing unified visibility and security for cloud workloads, endpoints, and containers.
A comprehensive guide to reverse engineering by Dennis Yurichev, available for free download in multiple languages and formats, with praise from cybersecurity experts.
An intentionally insecure Android app designed to teach developers and security professionals about common app vulnerabilities.
A cheatsheet for understanding privilege escalation with examples, not for enumeration using Linux Commands.
A comprehensive guide to investigating security incidents in popular cloud platforms, covering essential tools, logs, and techniques for cloud investigation and incident response.
A comprehensive guide to incident response, providing effective techniques for responding to advanced attacks against local and remote network resources.
A guide outlining security considerations for using OpenLDAP Software, including selective listening and IP firewall capabilities.
Level 400 training to become a Microsoft Sentinel Ninja.
PINNED

Mandos
Fractional CISO service that helps B2B companies implement security leadership to win enterprise deals, achieve compliance, and develop strategic security programs.

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.