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Singtel hit with S$1m penalty for preventable mobile outages

Singapore's telecoms regulator has fined Singtel S$1 million over a series of service disruptions in March that impacted 720,000 users. The outages were found to be preventable and unrelated to any cyberattack.

LSN Singapore · 20 October 2026

Singtel hit with S$1m penalty for preventable mobile outages

The Infocomm Media Development Authority (IMDA) has imposed the penalty on Singtel following an investigation into mobile service disruptions that occurred on March 16, 18 and 19. The incidents collectively affected over 720,000 customers across the operator's network.

IMDA's findings determined that the outages could have been prevented through better operational practices and maintenance procedures. The regulator ruled out external factors such as cyberattacks as a cause, placing responsibility on Singtel's internal systems and processes.

The S$1 million fine represents a significant enforcement action by IMDA against one of Singapore's major telecommunications operators. The penalty underscores the regulator's commitment to maintaining service standards and holding operators accountable for disruptions that impact consumers.

Singtel has faced increased scrutiny in recent years over service reliability. The March outages marked a notable incident in a series of network disruptions that have affected Singapore's telecoms landscape, prompting closer regulatory oversight of infrastructure maintenance and contingency planning across the sector.