In November, police said young professionals were increasingly being targeted in a rising tide of attacks by online 'sextortion' blackmail gangs.
Overseas criminals were said to be using 'honey traps' to entice affluent businessmen and promising young male students to commit compromising acts on webcams.
Experts suspect thousands more have fallen prey to the gangs without contacting the authorities about their plight.
On its advice page, the agency urges victims to call police, not to communicate with or pay blackmailers and to preserve evidence such as their Skype ID.
The gangs were making millions in ransom payments by threatening to share the footage with family, friends and colleagues.