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Malaysia’s U Mobile blocks 265 million scam calls, texts

U Mobile, a 5G network provider in Malaysia, has blocked over 265 million scam calls and fraudulent SMS across its 4G and 5G networks since February 2025.

The company partnered with Cellusys, a network security solutions provider, to implement a system that screens all inbound calls and SMS for suspicious activity.

U Mobile said the protection operates at the network level, preventing threats before they reach customers.

Malaysia has one of the highest rates of reported scam calls and fraudulent SMS in Southeast Asia, according to the Global Anti-Scam Alliance.

The initiative reflects wider efforts in Malaysia to counter digital fraud and improve consumer safety.

🔗 Source: U Mobile

🧠 Food for thought

Implications, context, and why it matters.

A2P providers now compete on compliance and delivery analytics under MCMC’s tighter SMS blocks

  •  The Malaysia Mobile Technology Association, which represents messaging and mobile service providers, warned that the September 2024 SMS rules would disrupt legitimate traffic and asked MCMC to extend exemptions past August 31, 2024 4.
  •  Vendors can stand out with real-time delivery dashboards for Malaysia, alerts, and fallback to WhatsApp Business API (Meta’s interface for businesses to send messages on WhatsApp) 5 when SMS fails compliance checks.
  •  Product teams should help brands meet the RM 0.00 header rule (a no-charge indicator at the start of business SMS in Malaysia) and the brand name inclusion rule (the sender’s brand name must be clearly shown), since missing either can trigger truncation or blocks on legitimate traffic 2.

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