You must keep your DeepL login credentials private and not share your account with others — if you discover unauthorised access, you must notify DeepL immediately.
Sharing your DeepL account with colleagues or family members violates the terms and could result in account suspension, meaning you lose access to the service you have paid for without a refund.
Cross-platform context
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Compare across platforms →If someone else uses your account (even with your knowledge), DeepL may suspend or terminate it, and you remain responsible for all activity under your credentials.
REGULATORY FRAMEWORK: Account security obligations engage general contract law principles and, in data breach scenarios, GDPR Art. 32 (security of processing) which requires appropriate technical and organisational measures. The obligation to report unauthorised access mirrors GDPR Art. 33 breach notification obligations (72-hour reporting to supervisory authority) if personal data is involved. For API users, this clause intersects with API key security obligations standard in software licensing.
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Regulatory citations, enforcement risk, and due diligence action items.
Watcher: regulatory citations. Professional: full compliance memo.