@firefly,
EXCLUSIVE: Facebook's Filters Fall Short in Blocking Pedophiles
By Jana Winter
Published October 21, 2010
| FoxNews.com
Print Email Share Comments (4) Text Size
Facebook is failing to prevent child predators from posting suggestive and potentially illegal photographs of children on its website, a weeks-long investigation by FoxNews.com reveals, despite its claim that it's doing all it can to keep pedophile materials from being displayed.
The world's largest social network employs content filters that automatically scan for basic keywords that the National Center for Missing and Exploited Children (NCMEC) identifies as being commonly associated with child exploitive material. Those filters, if they are properly employed, should flag much of the offensive material found on the site, cybersecurity experts say.
But in a lengthy telephone interview on Oct. 6, FoxNews.com took two Facebook executives on a click-by-click tour of their own website, bringing them face-to-face with some of its vile contents and forcing them to admit that their efforts to block child predators were not working.
During a 90-minute phone interview with Facebook spokesman Simon Axten and the company's chief security officer, Joe Sullivan, the two executives were guided by FoxNews.com through the site’s seamy subculture – an encounter that left Sullivan sounding dumbfounded, unaware of and unable to explain the extremely graphic content on the site.
In the interview, FoxNews.com told the executives to enter "PTHC" in the website's search box. The term “PTHC” — short for “Pre-Teen Hard Core” — is frequently found in connection with child sexual exploitation activity and materials, law enforcement officials say. Multiple sources confirmed that “PTHC” is on the NCMEC list of keywords.
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Then, when asked to click on the profile of any of the group’s members, the executives were ushered into a subculture dedicated to using Facebook to traffic child pornography and to target and interact with children.
At this point, there was silence for nearly a full minute, except for the sound of furious, rapid typing. Axten and Sullivan sounded stunned, unable to explain why this happened and how their filters could have failed.
Facebook later said it had launched an investigation into the pages, profiles and video links they had found during the interview. That same day, the “PTHC page” and others were removed from the website.
But much of what FoxNews.com found in its investigation remains active.
During the interview, the Facebook executives emphasized that identifying and removing content that may exploit children is a top priority. They said material flagged by the NCMEC keywords filter is evaluated and, if merited, promptly removed.
“We’re constantly looking to improve our filter system. As we get more information and tactics, we’ll use that to inform our system to make it even better,” Sullivan said.
“Believe me, it’s incredibly frustrating to all of us that they’re trying to share this, I’m so repulsed by the fact — I have three daughters — we have a large number of people who care greatly about these issues throwing a lot of money and technology at them.”
But despite their efforts, FoxNews.com found an entire underworld of widely recognized terms, code words and abbreviations on Facebook -- hundreds of pages with “PTHC” and “Incest” in their titles, and many others that are unprintable. Both terms are on the NCMEC keywords list, sources said, and they were found on Facebook's public, private, group and profile pages. Many of those pages purported to host video links to child pornography, and many had been active for months.
Most if not all of the content appears to be in clear violation of Facebook’s terms of use, and cyber safety experts said much of it may be illegal.
TechnologyTechnology
EXCLUSIVE: Facebook's Filters Fall Short in Blocking Pedophiles
By Jana Winter
Published October 21, 2010
| FoxNews.com
Print Email Share Comments (4) Text Size
Facebook is failing to prevent child predators from posting suggestive and potentially illegal photographs of children on its website, a weeks-long investigation by FoxNews.com reveals, despite its claim that it's doing all it can to keep pedophile materials from being displayed.
The world's largest social network employs content filters that automatically scan for basic keywords that the National Center for Missing and Exploited Children (NCMEC) identifies as being commonly associated with child exploitive material. Those filters, if they are properly employed, should flag much of the offensive material found on the site, cybersecurity experts say.
But in a lengthy telephone interview on Oct. 6, FoxNews.com took two Facebook executives on a click-by-click tour of their own website, bringing them face-to-face with some of its vile contents and forcing them to admit that their efforts to block child predators were not working.
During a 90-minute phone interview with Facebook spokesman Simon Axten and the company's chief security officer, Joe Sullivan, the two executives were guided by FoxNews.com through the site’s seamy subculture – an encounter that left Sullivan sounding dumbfounded, unaware of and unable to explain the extremely graphic content on the site.
In the interview, FoxNews.com told the executives to enter "PTHC" in the website's search box. The term “PTHC” — short for “Pre-Teen Hard Core” — is frequently found in connection with child sexual exploitation activity and materials, law enforcement officials say. Multiple sources confirmed that “PTHC” is on the NCMEC list of keywords.
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INTERESTED IN
Bulls Retake Control as Dollar Resumes Slide 1968 Playboy Playmate Victoria Vetri Tried to Kill Boyfriend, Cops Say 2012 Apocalypse -- Postponed Fox Programming Pulled From Cablevision As Contract Ends 6 Questions to Ask Before a Refinance Having searched for "PTHC," the two Facebook executives were then instructed to click on the first result — a public group Page called “PTHC,” with 197 members. That's when the executives came face-to-face with a post directing users to a video purportedly featuring an 8-year-old boy being sexually abused.
Then, when asked to click on the profile of any of the group’s members, the executives were ushered into a subculture dedicated to using Facebook to traffic child pornography and to target and interact with children.
At this point, there was silence for nearly a full minute, except for the sound of furious, rapid typing. Axten and Sullivan sounded stunned, unable to explain why this happened and how their filters could have failed.
Facebook later said it had launched an investigation into the pages, profiles and video links they had found during the interview. That same day, the “PTHC page” and others were removed from the website.
But much of what FoxNews.com found in its investigation remains active.
During the interview, the Facebook executives emphasized that identifying and removing content that may exploit children is a top priority. They said material flagged by the NCMEC keywords filter is evaluated and, if merited, promptly removed.
“We’re constantly looking to improve our filter system. As we get more information and tactics, we’ll use that to inform our system to make it even better,” Sullivan said.
“Believe me, it’s incredibly frustrating to all of us that they’re trying to share this, I’m so repulsed by the fact — I have three daughters — we have a large number of people who care greatly about these issues throwing a lot of money and technology at them.”
But despite their efforts, FoxNews.com found an entire underworld of widely recognized terms, code words and abbreviations on Facebook -- hundreds of pages with “PTHC” and “Incest” in their titles, and many others that are unprintable. Both terms are on the NCMEC keywords list, sources said, and they were found on Facebook's public, private, group and profile pages. Many of those pages purported to host video links to child pornography, and many had been active for months.
Most if not all of the content appears to be in clear violation of Facebook’s terms of use, and cyber safety experts said much of it may be illegal.
“A fair question to ask after a period of time is, why is it still up?” said NCMEC President Ernie Allen, who told FoxNews.com his organization was encouraged — but unaware — that Facebook was filtering by its keyword list.
He said there could be three explanations for the content's presence:
— Law enforcement officials asked Facebook to keep the content up on the site for investigative purposes;
— Facebook’s internal investigation concluded the words used, in the context being used, did not rise to an actionable level;
— Facebook might have just missed it.
“With half a billion members, my guess is they haven’t seen everything,” Allen said.
But the problem, in some ways, is just the tip of the iceberg: In the same way that Facebook users can “like” a page dedicated to a television