Hanoi, April 7 -- The Hanoi Department of Public Security has warned of a growing trend of high-tech crimes committed by foreign nationals shifting their operations to Vietnam after crackdowns intensified in several Southeast Asian countries, particularly Cambodia.

These groups have been organising transnational fraud and online gambling activities with increasingly sophisticated methods and tight organisational structures, a representative of the department said at a press conference on April 6.

From December 15 to March 14, the department detected three cases involving 58 foreign suspects linked to acts of fraud, gambling organisation, and illegal entry.

Notably, the operations are often remotely directed by overseas ringleaders who ...