Five people have been arrested for their suspected involvement in a syndicate that hacked and stole 400 million personal data records of Malaysians before selling them on the dark web, police said.

Bukit Aman’s Commercial Crime Investigation Department (CCID) director Ramli Mohamed Yoosuf said the suspects, aged between 34 and 52, were arrested during Op Kapas in Kuala Lumpur on Sept 5.

The suspects comprised four locals and one Pakistani national...