Paris attack suspect Salah Abdeslam's lawyer says he"is the perfect example of the generation who thinks he lives in a video game".

Paris attack suspect Salah Abdeslam's lawyer says he "is the perfect example of the generation who thinks he lives in a video game".Credit:AP

In a complaint filed this week in the US District Court of Northern California,her father,Reynaldo Gonzalez,argues the three platforms"have knowingly permitted the terrorist group ISIS to use their social networks as a tool for spreading extremist propaganda,raising funds and attracting new recruits".

The Islamic State,also known as ISIS,ISIL and IS,has active presence on both Facebook and Twitter,though the platforms have cracked down in the past and deactivated accounts affiliated with terrorist organisations.

Flowers and candle tributes outside the Restaurant Le Carillon in Paris,after the November 13 attacks.

Flowers and candle tributes outside the Restaurant Le Carillon in Paris,after the November 13 attacks.Credit:AP

Google is named in the suit,filed this week,as the owner of YouTube,which the Islamic State has used to post propaganda including videos of executions.

"Google,Twitter and Facebook provide infrastructure and material support for ISIS to conduct terrorist activity,"said Keith Altman,attorney for the family."These companies are not doing a good enough job from keeping the terrorists from using their network."

In some cases,the complaint says,the social networks place ads next to Islamic State content and share revenue with the terrorist group generated from those ads.

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The platforms,though,could be shielded from the suit under provisions of the 1996 Communications Decency Act,which does not hold websites liable for content users post.

Islamic extremists groups use YouTube videos to recruit supporters in the southern Philippines.

Islamic extremists groups use YouTube videos to recruit supporters in the southern Philippines.Credit:YouTube

"[Social networks] can censor more or less anything they want and it also have incredible abilities to leave up as much as they wants to leave up,"said Ryan Calo,professor of law at the University of Washington and co-director of the school's Tech Policy Lab.

In a statement on its website,Facebook said there was"no place for terrorists or content that promotes or supports terrorism,"but also said the suit was"without merit"and pledged to defend itself"vigorously".

Militant videos have shown destruction of UNESCO heritage sites near Mosul,Iraq.

Militant videos have shown destruction of UNESCO heritage sites near Mosul,Iraq.Credit:YouTube/AP

Twitter also said the suit was"without merit".

"Violent threats and the promotion of terrorism deserve no place on Twitter and,like other social networks,our rules make that clear,"a spokesman said.

Perth doctor Tareq Kamleh appeared in an IS video urging other doctors to join him.

Perth doctor Tareq Kamleh appeared in an IS video urging other doctors to join him.Credit:YouTube

These companies are not doing a good enough job from keeping the terrorists from using their network.

Keith Altman,attorney

Google declined to comment on pending litigation and defended its"strong track record of taking swift action against terrorist content".

But Mr Altman said the networks do far too little to police their users. When a site deactivates one account,another pops back up to take its place without much oversight.

The front page of the US Central Command Twitter account after it was hacked supposedly by IS in January.

The front page of the US Central Command Twitter account after it was hacked supposedly by IS in January.

"It's like whack-a-mole,"he said."I don't think ISIS could sustain their operation without these social networks."

The first conference for the case is set to take place in September.

Hackers have targeted Islamic State twitter accounts following the Orlando shooting.

Hackers have targeted Islamic State twitter accounts following the Orlando shooting.

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Belgian national Abdelhamid Abaaoud,the child of Moroccan immigrants,was identified by French authorities as the presumed leader of the terror attacks in Paris.

Belgian national Abdelhamid Abaaoud,the child of Moroccan immigrants,was identified by French authorities as the presumed leader of the terror attacks in Paris.Credit:AP

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