Callum Dare is the first person in Wales to be convicted over a type of hoax call known as "swatting".
The university in Birmingham says tens of thousands of women and girls face abuse online.
Abused on the dark web for years, 'Lucy' was identified through a series of unlikely clues.
Joao Teixeira, who shared videos of babies being abused, has been jailed for more than 11 years.
Detectives desperate to locate a 12-year-old, seen abused online, found a surprising lead.
Ryan Coleman, 36, had been trading under the pseudonym Snowcap on the dark web for several years.
Police in Northern Ireland carried out searches at three homes and arrested two men last month.
The arrest of Telegram’s chief executive in France has ignited a debate about moderation on his app.
Anglia Ruskin University researchers say forum members are teaching themselves using non-AI images.