// INCIDENT · 2025-01 · TELECOMMUNICATIONS

Cell C.

Data breach + extortion. Data published on the dark web in April 2025. Cell C said it may include contact details, ID and passport numbers, driver's licence numbers, banking details and some medical records. Information Regulator notified.

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Date2025-01
SectorTelecommunications
TypeData breach + extortion
RecordsNot disclosed; about 2 TB claimed by attackers
AttackerRansomHouse (claimed)
StatusConfirmed by Cell C

How the attack happened.

Unauthorised access to unstructured data in parts of Cell C's IT environment at the end of 2024

Impact.

Data published on the dark web in April 2025. Cell C said it may include contact details, ID and passport numbers, driver's licence numbers, banking details and some medical records. Information Regulator notified.

Primary sources.

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