This is the main web site for the free book, the Secure Programming HOWTO, providing design and implementation guidelines for writing secure programs in languages like C, C++, Java, Perl, Python, and Ada95. It includes guidance for application programs, web applications, network servers, and setuid/setgid programs. The book is distributed in multiple formats including Multipage HTML, Single long HTML, and PDF.
FEATURES
ALTERNATIVES
An API security and monitoring platform that automatically discovers, validates, and protects API endpoints while providing comprehensive management and analytics capabilities.
An application security testing platform that combines automated scanning, AI assistance, and manual expert testing to provide continuous security assessment throughout the software development lifecycle.
A vulnerable by design infrastructure on Azure featuring the latest released OWASP Top 10 web application security risks (2021) and other misconfigurations.
An integrated application security platform that combines multiple security scanning tools with developer-focused workflows for automated code and infrastructure security testing.
Guidelines for secure coding in Java SE to avoid bugs that could weaken security and open holes in Java's security features.
Kiterunner is a tool for lightning-fast traditional content discovery and bruteforcing API endpoints in modern applications.
SafeLine WAF is an open-source web application firewall that protects web services by filtering malicious HTTP traffic through intelligent semantic analysis and machine learning-based detection.
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.

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.