KUALA LUMPUR, April 15 -- When a caller claims to be from Lembaga Hasil Dalam Negeri Malaysia (LHDN), the message is rarely ignored.

It often appears to be a routine spot check - a flagged tax record, an unpaid amount or a possible investigation - followed by instructions to transfer funds, verify details or click a link, leaving little time to question the request.

By the time doubt sets in, the damage is often irreversible.

Authorities have repeatedly warned that such messages are fraudulent, yet scams persist.

The reason lies in a deeper shift: what were once isolated attempts at deception have evolved into coordinated systems designed to feel real and immediate.

Transition into systems

Online scams have transformed from individu...