In 2012, Moore shut down his website and sold the domain to entrepreneur and anti-bullying activist James McGibney, who then redirected it to Bullyville.com, a website that exposes bullies, according to the BBC.
In a letter explaining his decision to turn off Is Anyone Up, which he posted on the website, Moore claimed the task of sifting through submitted content for underage children, reporting people who submitted child pornography and "all the legal drama of that situation" had burned him out.
But Moore's reckoning was just beginning.
Who Were Moore's Victims?
At the height of its infamy, Is Anyone Up posted intimate images and videos of more than 40 people, the majority of whom were women, according to The Guardian.
In his 2012 letter, Moore essentially admitted the website was a repository for revenge porn. "And its [sic] crazy to think that the few posts I did with my friends to get back at a few girls that broke our hearts would turn into what it did," Moore wrote.
The female victims whose images were posted on Is Anyone Up represented a cross section of everyday society, University of Virginia Law Professor Danielle Citron says.
"They were teachers, nurses and dental hygienists, among others, who reached out to me back then," Citron says. "They would tell me they were so desperate, so embarrassed and some of them couldn't even go back to work."
Citron is vice president of the Cyber Civil Rights Initiative, a group that has successfully pushed for revenge porn laws in 48 states and Washington D.C. She's also written books on the lack of federal privacy laws governing content shared on the Internet.
"Moore's primary goal was the shaming of people's private lives, and then aiding and abetting harassment of them," Citron says. "With great bravado, he acted in ways that were stunning at the time. What was so unusual was that he was so public and proud of what he was doing: ruining people's lives for sport."
Moore also had a financial motive. Moore claimed Is Anyone Up generated thousands of dollars a month in advertising revenue, according to The New Yorker.
Kayla Laws was among Moore's early victims. In January 2012, the then-24-year-old aspiring actress discovered a topless photo of herself—which she had never shared with anyone—had been posted on Is Anyone Up, Laws's mother, Charlotte Laws, says.
Laws was among the first victims to speak with media outlets, including The New Yorker, about Moore's invasive attacks.
"She was freaked out," Charlotte Laws recalls. "She felt violated, ashamed and humiliated. She barricaded herself in her room. She was emotionally battered."
The Revenge Porn King's Downfall
When Moore steadfastly refused to take down her daughter's image, Charlotte Laws launched a personal mission to take him down.
"I called his publicist, I called his attorneys and I even tried to contact his mother," Charlotte Laws says. "When he didn't take the photo down, I shifted into P.I. mode to find out everything about him."
Initially, Kayla and Charlotte Laws tried to get the Los Angeles Police Department to launch a criminal investigation.
"We spoke to a middle-aged detective who asked my daughter why she took a picture like that if she didn't want it on the Internet," Charlotte Laws says. "I told the detective she was victim- blaming my daughter. So we went to the F.B.I."