Application security

Explore secure coding practices and secure software design principles to incorporate advanced security features like encryption, authentication, and authorization. With practical strategies and techniques to secure applications throughout the development lifecycle, you can learn about emerging trends such as generative AI and machine learning.

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DNS rebinding attacks explained: The lookup is coming from inside the house!

DNS rebinding attack without CORS against local network web applications. Explore the topic further and see how it can be used to exploit vulnerabilities in the real-world.

Cutting through the noise: How to prioritize Dependabot alerts

Learn how to effectively prioritize alerts using severity (CVSS), exploitation likelihood (EPSS), and repository properties, so you can focus on the most critical vulnerabilities first.

How we’re making security easier for the average developer

Security should be native to your workflow, not a painful separate process.

Found means fixed: Reduce security debt at scale with GitHub security campaigns

Starting today, security campaigns are generally available for all GitHub Advanced Security and GitHub Code Security customers—helping organizations take control of their security debt and manage risk by unlocking collaboration between developers and security teams.

Latest

Localhost dangers: CORS and DNS rebinding

What is CORS and how can a CORS misconfiguration lead to security issues? In this blog post, we’ll describe some common CORS issues as well as how you can find and fix them.

GitHub found 39M secret leaks in 2024. Here’s what we’re doing to help

Every minute, GitHub blocks several secrets with push protection—but secret leaks still remain one of the most common causes of security incidents. Learn how GitHub is making it easier to protect yourself from exposed secrets, including today’s launches of standalone Secret Protection, org-wide scanning, and better access for teams of all sizes.

How to secure your GitHub Actions workflows with CodeQL

In the last few months, we secured 75+ GitHub Actions workflows in open source projects, disclosing 90+ different vulnerabilities. Out of this research we produced new support for workflows in CodeQL, empowering you to secure yours.

AppSec is harder than you think. Here’s how AI can help.

In practice, shifting left has been more about shifting the burden rather than the ability. But AI is bringing its promise closer to reality. Here’s how.

GitHub and the Ekoparty 2023 Capture the Flag

The GitHub Security Lab teamed up with Ekoparty once again to create some challenges for its yearly Capture the Flag competition!

Scaling vulnerability management across thousands of services and more than 150 million findings

Learn about how we run a scalable vulnerability management program built on top of GitHub.

Security best practices for authors of GitHub Actions

Improve your GitHub Action’s security posture by securing your source repository, protecting your maintainers, and making it easy to report security incidents.

Application security orchestration with GitHub Advanced Security

Learn how teams can leverage the power of GitHub Advanced Security’s code scanning and GitHub Actions to integrate the right security testing tools at the right time.

Remediation made simple: Introducing new validity checks for GitHub tokens

GitHub now tells you whether GitHub tokens found by secret scanning are active so you can prioritize and escalate remediation efforts.

Leaked a secret? Check your GitHub alerts…for free

GitHub now allows you to track any leaked secrets in your public repository, for free. With secret scanning alerts, you can track and action on leaked secrets directly within GitHub.

How empowering developers helps teams ship secure software faster

AppSec expert Niroshan Rajadurai says putting developers at the center of everything will enable you to meet your security goals.

Introducing fine-grained personal access tokens for GitHub

Fine-grained personal access tokens offer enhanced security to developers and organization owners, to reduce the risk to your data of compromised tokens.

5 tips for embedding security into your workflows

Having a robust security plan is key to innovation. These tips will empower you to gain the upper hand on cyberattacks, so you can ship quickly and innovate with ease.

GitHub now publishes malware advisories in the GitHub Advisory Database

To combat the prevalence of malware in the open source ecosystem, GitHub now publishes malware occurrences in the GitHub Advisory Database. These advisories power Dependabot alerts and remain forever free and usable by the community.