Deleting your GitHub account does not guarantee immediate or complete erasure of all your personal data from GitHub's systems.
GitHub collects a broad range of personal data including your account information, browsing behavior, code contributions, and payment details, which may be shared with Microsoft affiliates, third-party service providers, and disclosed in response to legal requests. Your data may also be used to train AI and machine learning models, including features like GitHub Copilot, which has significant implications for developers who store proprietary or sensitive code on the platform. You can opt out of AI training data use and manage your privacy preferences through your GitHub account settings at https://github.com/settings/privacy.