SINGAPORE, June 25 -- When a stranger messaged a Singapore woman asking for sex after seeing what he believed were her nude photos online, she decided to find the culprit herself.

According to CNA, the woman created an undercover account and infiltrated a religious-themed online sex group, where she discovered her former boyfriend had allegedly been posing as her and repeatedly sharing her intimate images.

Her investigation eventually helped expose the group, which police later found had more than 79,000 members.

For his revenge porn campaign, 27-year-old Abdul Marzuq Waliyuddin Abdul Majid was sentenced to 32 months' jail, two strokes of the cane and ordered to pay S$4,000 (RM13,000) in compensation.

The pair met while attending a re...