Practical security handbook for .NET developers covering essential security controls, random number generators, hash functions, HMAC, key derivation, binary encodings, and text encodings.
FEATURES
ALTERNATIVES
Introductory book about cryptography with instructions for building and translating.
Comprehensive security training platform for web developers, offering hands-on experience with real, vulnerable applications and concrete advice for securing code.
Deliberately vulnerable CI/CD environment with 11 challenges to practice security.
A comprehensive guide to using Metasploit, including searching for modules, specifying exploits and payloads, and using auxiliary modules.
A threat intelligence aggregation service that consolidates and summarizes security updates from multiple sources to provide comprehensive cybersecurity situational awareness.
An annual jeopardy-style capture-the-flag contest with challenges related to cybersecurity.
PINNED

Mandos Brief Newsletter
A weekly newsletter providing cybersecurity leadership insights, industry updates, and strategic guidance for security professionals advancing to management positions.

OSINTLeak
OSINTLeak is a tool for discovering and analyzing leaked sensitive information across various online sources to identify potential security risks.

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.