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Resolved: Turnitin Service Incident - 11 December 2025

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UPDATE: 12 Dec 2025 - 4:03pm

Resolved - We’ve fixed it!

Due to an unexpected service incident, users accessing the services via the following products: Turnitin Similarity, SimCheck, Originality, Authorship, iThenticate V2, Crossref Similarity Check in Europe may have experienced difficulties logging in to their account. Users accessing these services via an integration may also have been affected.

We are pleased to advise that service has been restored.

The incident occurred between the following times:

GMT: Thursday, 11 December 12:00–15:37