South African telecommunications operator Cell C disclosed on its official website that it had detected a cybersecurity incident [1]. The company subsequently issued an update confirming that exfiltrated data had been publicly disclosed [2]. The affected customer scope and data types are subject to Cell C's official statements, and customers should remain vigilant against follow-on scams [2].
Backfill: this event became public on Dec 30, 2024 and we added it on Nov 10, 2026. It is not a new event.
HighMonitoringBackfillOfficially confirmed
South African Telecom Operator Cell C Discloses Cybersecurity Incident and Confirms Publication of Stolen Data
1 min read
- Disclosed
- Dec 30, 2024
- Published
- Nov 10, 2026
- Last updated
- Nov 7, 2026
- CVSS basis
- Our assessment
- Attack vector
- Impact
- Actor type
- Motivation
On this page
30-second summary
What happened
Who is affected
Industries mainly affected: Telecom
What to do nowOur advice
The affected customer scope and data types are subject to Cell C's official statements, and customers should remain vigilant against follow-on scams [2].
Timeline
- Incident publicly disclosed[1]
Technical details
Source-Supported Details
Cell C first announced the detection of a cybersecurity incident and subsequently confirmed that exfiltrated data was published. This entry is based on the company's official website statements and does not insert threat group names absent from those statements [1].
Source excerpt: "Upon discovery, we took immediate action to contain the issue and engaged cybersecurity experts to assist with our investigation." [1].
Source excerpt: "Media releases Cell C Confirms Publication of Exfiltrated Information Wednesday, 9 April 2025 Johannesburg - Cell C is aware that data compromised in the recent cybersecurity incident has been unlawfully disclosed by Ran" [2].
References
Official / primary2
- [1]
“Upon discovery, we took immediate action to contain the issue and engaged cybersecurity experts to assist with our investigation.”
- [2]Cell C2024-12-30Accessed 2026-11-07
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