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Singapore Contained UNC3886 Cyberattack on Telcos, No Customer Data Breached

Telecomreviewasia • February 10, 2026

... advanced persistent threat (APT) group UNC3886, authorities confirmed, adding that the attack was contained and no sensitive customer data was stolen.

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Singapore Telcos Targeted by UNC3886 Cyberattack In July 2025, an advanced persistent threat actor known as UNC3886 targeted Singapore's four telecommunications companies, compromising critical infrastructure. The attack was detected by the Infocomm Media Development Authority (IMDA) and has led to ongoing investigations into the extent of the breach. 74 sources 40

Singapore Contained UNC3886 Cyberattack on Telcos, No Customer Data Breached

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Extracted Entities

APT Groups (1)

Countries (1)