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Background for this topic.
GitHub is a hosted software-development platform built around Git repositories. It supports public and private source-code hosting, change review through pull requests, issue tracking, automated workflows, and package distribution. Its repositories and automation are important security assets because they can contain proprietary code, deployment instructions, credentials, and the components used to build released software.
Material risks include accidentally committing secrets, exposing private repositories through misconfigured permissions, and allowing compromised dependencies or workflow actions to run in trusted build environments. Pull requests from untrusted contributors can also become an execution path when workflows handle them unsafely. Security practice includes least-privilege access, strong authentication, protected branches and required reviews, secret scanning and rapid credential revocation, and auditing workflow permissions. Repository history, dependency metadata, and commit provenance can support vulnerability management and incident investigation, but deleting a leaked secret from the latest file does not remove it from historical commits or existing clones.
Whether by intercepting its traffic or just giving it a little nudge, GitHub's AI assistant can be made to do malicious things it isn't supposed to.
GitHub is mitigating an ongoing incident causing problems with multiple services, including performing pull requests, creating or viewing issues, and even viewing repositories and commits. [...]
CEO Satya Nadella Highlights DeepSeek-R1 Model, AI Cost Reductions, Future GrowthMicrosoft CEO Satya Nadella said AI scaling laws, compounded by Moore’s Law, are accelerating efficiency gains, with a 10x improvement per model generation. He revealed Microsoft’s strategy for optimizing AI costs and highlights DeepSeek-R1’s availability on Azure AI Foundry and GitHub.
The Managed XDR team investigated a sophisticated campaign distributing Lumma Stealer through GitHub, where attackers leveraged the platform's release infrastructure to deliver malware such as SectopRAT, Vidar, and Cobeacon.
Multiple security vulnerabilities have been disclosed in GitHub Desktop as well as other Git-related projects that, if successfully exploited, could permit an attacker to gain unauthorized access to a user's Git credentials