Stay informed about the latest Github infosec updates, security breaches, and protection strategies with our comprehensive information security news.
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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.
A npm package copying the official 'postmark-mcp' project on GitHub turned bad with the latest update that added a single line of code to exfiltrate all its users' email communication. [...]
A massive phishing campaign targeted GitHub users with cryptocurrency drainers, delivered via fake invitations to the Y Combinator (YC) W2026 program. [...]
GitHub is introducing a set of defenses against supply-chain attacks on the platform that led to multiple large-scale incidents recently. [...]
LastPass is warning users of a campaign that targets macOS users with malicious software impersonating popular products delivered through fraudulent GitHub repositories. [...]