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Tech giants told to remove extremist content much faster

Tech giants are once again being urged to do more to tackle the spread of online extremism on their platforms. Leaders of the UK, France and Italy are taking time out at a UN summit today to meet with Google, Facebook and Microsoft.

This follows an agreement in May for G7 nations to take joint action on online extremism.

The possibility of fining social media firms which fail to meet collective targets for illegal content takedowns has also been floated by the heads of state. Earlier this year the German government proposed a regime of fines for social media firms that fail to meet local takedown targets for illegal content.

The Guardian reports today that the UK government would like to see the time it takes for online extremist content to be removed to be greatly speeded up — from an average of 36 hours down to just two.

That’s a considerably narrower timeframe than the 24 hour window for performing such takedowns agreed within a voluntary European Commission code of conduct which the four major social media platformed signed up to in 2016.

Now the group of European leaders, led by the UK Prime Minister Theresa May, apparently want to go even further by radically squeezing the window of time before content must be taken down — and they apparently want to see evidence of progress from the tech giants in a month’s time, when their interior ministers meet at the G7.

According to UK Home Office analysis, ISIS shared 27,000 links to extremist content in the first five months of the 2017 and, once shared, the material remained available online for an average of 36 hours. That, says May, is not good enough.

Ultimately the government wants companies to develop technology to spot extremist material early and prevent it being shared in the first place — something UK Home Secretary Amber Rudd called for earlier this year.

While, in June, the tech industry bandied together to offer a joint front on this issue, under the banner of the Global Internet Forum to Counter Terrorism (GIFCT) — which they said would collaborate on engineering solutions, sharing content classification techniques and effective reporting methods for users.

The initiative also includes sharing counterspeech practices as another string for them to publicly pluck to respond to pressure to do more to eject terrorist propaganda from their platforms.

In response to the latest calls from European leaders to enhance online extremism identification and takedown systems, a GIFCT spokesperson provided the following responsibility-distributing statement:

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Winter tells TechCrunch: “Now, there’s no two ways about it — Telegram is first and foremost the centre of gravity online for the Islamic State, and other Salafi jihadist groups. Places like Twitter, YouTube and Facebook are all way more inhospitable than they’ve ever been to online extremism.

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“Telegram is important to the Islamic State for a great many different reasons — and other Salafi jihadist group too like Al-Qaeda or Harakat Ahrar ash-Sham al-Islamiyya in Syria,” says Winter. “It uses it first and foremost… for disseminating propaganda — so whether that’s videos, photo reports, newspaper, magazine and all that. It also uses it on a more communal basis, for encouraging interaction between supporters.

“And there’s a whole other layer of it that I don’t think anyone sees really which I’m talking about in a hypothetical sense because I think it would be very difficult to penetrate where the groups will be using it for more operational things. But again, without being in an intelligence service, I don’t think it’s possible to penetrate that part of Telegram.

“And there’s also evidence to suggest that the Islamic State actually migrates onto even more heavily encrypted platforms for the really secure stuff.”

Responding to the expert view that Telegram has become the “platform of choice for the Islamic State”, Durov tells TechCrunch: “We are taking down thousands of terrorism-related channels monthly and are constantly raising the efficiency of this process. We are also open to ideas on how to improve it further, if… the ICSR has specific suggestions.”

As Winter hints, there’s also terrorist chatter concerning governments that takes place out of the public view — on encrypted communication channels. And this is another area where the UK government especially has, in recent years, ramped up political pressure on tech giants (for now European lawmakers appear generally more hesitant to push for a decrypt law; while the U.S. has seen attempts to legislate but nothing has yet come to pass on that front).

End-to-end encryption still under pressure

A Sky News report yesterday, citing UK government sources, claimed that Facebook-owned WhatsApp had been asked by British officials this summer to come up with technical solutions to allow them to access the content of messages on its end-to-end encrypted platform to further government agencies’ counterterrorism investigations — so, effectively, to ask the firm to build a backdoor into its crypto.

This is something the UK Home Secretary, Amber Rudd, has explicitly said is the government’s intention. Speaking in June she said it wanted big Internet firms to work with it to limit their use of e2e encryption. And one of those big Internet firms was presumably WhatsApp.

WhatsApp apparently rejected the backdoor demand put to it by the government this summer, according to Sky’s report.

We reached out to the messaging giant to confirm or deny Sky’s report but a WhatsApp spokesman did not provide a direct response or any statement. Instead he pointed us to existing information on the company’s website — including an FAQ in which it states: “WhatsApp has no ability to see the content of messages or listen to calls on WhatsApp. That’s because the encryption and decryption of messages sent on WhatsApp occurs entirely on your device.”

He also flagged up a note on its website for law enforcement which details the information it can provide and the circumstances in which it would do so: “A valid subpoena issued in connection with an official criminal investigation is required to compel the disclosure of basic subscriber records (defined in 18 U.S.C. Section 2703(c)(2)), which may include (if available): name, service start date, last seen date, IP address, and email address.”

Facebook CSO Alex Stamos also previously told us the company would refuse to comply if the UK government handed it a so-called Technical Capability Notice (TCN) asking for decrypted data — on the grounds that its use of e2e encryption means it does not hold encryption keys and thus cannot provide decrypted data — though the wider question is really how the UK government might then respond to such a corporate refusal to comply with UK law.

Properly implemented e2e encryption ensures that the operators of a messaging platform cannot access the contents of the missives moving around the system. Although e2e encryption can still leak metadata — so it’s possible for intelligence on who is talking to whom and when (for example) to be passed by companies like WhatsApp to government agencies.

Facebook has confirmed it provides WhatsApp metadata to government agencies when served a valid warrant (as well as sharing metadata between WhatsApp and its other business units for its own commercial and ad-targeting purposes).

Talking up the counter-terror potential of sharing metadata appears to be the company’s current strategy for trying to steer the UK government away from demands it backdoor WhatsApp’s encryption — with Facebook’s Sheryl Sandberg arguing in July that metadata can help inform governments about terrorist activity.

In the UK successive governments have been ramping up political pressure on the use of e2e encryption for years — with politicians proudly declaring themselves uncomfortable with rising use of the tech. While domestic surveillance legislation passed at the end of last year has been widely interpreted as giving security agencies powers to place requirements on companies not to use e2e encryption and/or to require comms services providers to build in backdoors so they can provide access to decrypted data when handed a state warrant. So, on the surface, there’s a legal threat to the continued viability of e2e encryption in the UK.

However the question of how the government could seek to enforce decryption on powerful tech giants, which are mostly headquartered overseas, have millions of engaged local users and sell e2e encryption as a core part of their proposition, is unclear. Even with the legal power to demand it, they’d still be asking for legible data from owners of systems designed not to enable third parties to read that data.

One crypto expert we contacted for comment on the conundrum, who cannot be identified because they were not authorized to speak to the press by their employer, neatly sums up the problem for politicians squaring up to tech giants using e2e encryption: “They could close you down but do they want to? If you aren’t keeping records, you can’t turn them over.”

It’s really not clear how long the political compass will keep swinging around and pointing at tech firms to accuse them of building systems that are impeding governments’ counterterrorism efforts — whether that’s related to the spread of extremist propaganda online, or to a narrower consideration like providing warranted access to encrypted messages.

As noted above, the UK government legislated last year to enshrine expansive and intrusive investigatory powers in a new framework, called the Investigatory Powers Act — which includes the ability to collect digital information in bulk and for spy agencies to maintain vast databases of personal information on citizens who are not (yet) suspected of any wrongdoing in order that they can sift these records when they choose. (Powers that are incidentally being challenged under European human rights law.)

And with such powers on its statute books you’d hope there would be more pressure for UK politicians to take responsibility for the state’s own intelligence failures — rather than seeking to scapegoat technologies such as encryption. But the crypto wars are apparently, sad to say, a neverending story.

On extremist propaganda, the co-ordinated political push by European leaders to get tech platforms to take more responsibility for user generated content which they’re freely distributing, liberally monetizing and algorithmically amplifying does at least have more substance to it. Even if, ultimately, it’s likely to be just as futile a strategy for fixing the underlying problem.

Because even if you could wave a magic wand and make all online extremist propaganda vanish you wouldn’t have fixed the core problem of why terrorist ideologies exist. Nor removed the pull that those extremist ideas can pose for certain individuals. It’s just attacking the symptom of a problem, rather than interrogating the root causes.

The ICSR’s Winter is generally downbeat on how the current political strategy for tackling online extremism is focusing so much attention on restricting access to content.

“[UK PM] Theresa May is always talking about removing the safe spaces and shutting down part of the Internet were terrorists exchange instructions and propaganda and that sort of stuff, and I just feel that’s a Sisyphean task,” he tells TechCrunch. “Maybe you do get it to work on any one platform they’re just going to go onto a different one and you’ll have exactly the same sort of problem all over again.

“I think they are publicly making too much of a thing out of restricting access to content. And I think the role that is being described to the public that propaganda takes is very, very different to the one that it actually has. It’s much more nuanced, and much more complex than simply something which is used to “radicalize and recruit people”. It’s much much more than that.

“And we’re clearly not going to get to that kind of debate in a mainstream media discourse because no one has the time to hear about all the nuances and complexities of propaganda but I do think that the government puts too much emphasis on the online space — in a manner that is often devoid of nuance and I don’t think that is necessarily the most constructive way to go about this.”

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