New details of the Paris attacks carried out last November reveal that it was the consistent use of prepaid burner phones, not encryption, that helped keep the terrorists off the radar of the intelligence services.The various agencies of various state security apparatuses have been trying to sell the idea that the terrorists will kill us all if we don't let them.
As an article in The New York Times reports: "the three teams in Paris were comparatively disciplined. They used only new phones that they would then discard, including several activated minutes before the attacks, or phones seized from their victims."
The article goes on to give more details of how some phones were used only very briefly in the hours leading up to the attacks. For example: "Security camera footage showed Bilal Hadfi, the youngest of the assailants, as he paced outside the stadium, talking on a cellphone. The phone was activated less than an hour before he detonated his vest." The information come from a 55-page report compiled by the French antiterrorism police for France’s Interior Ministry.
Outside the Bataclan theatre venue, the investigators found a Samsung phone in a dustbin: "It had a Belgian SIM card that had been in use only since the day before the attack. The phone had called just one other number—belonging to an unidentified user in Belgium."
As police pieced together the movements of the attackers, they found yet more burner phones: "Everywhere they went, the attackers left behind their throwaway phones, including in Bobigny, at a villa rented in the name of Ibrahim Abdeslam. When the brigade charged with sweeping the location arrived, it found two unused cellphones still inside their boxes." At another location used by one of the terrorists, the police found dozens of unused burner phones "still in their wrappers."
As The New York Times says, one of the most striking aspects of the phones is that not a single e-mail or online chat message from the attackers was found on them. That seems to be further evidence that they knew such communications were routinely monitored by intelligence agencies. But rather than trying to avoid discovery by using encryption—which would in itself have drawn attention to their accounts—they seem to have stopped using the Internet as a communication channel altogether, and turned to standard cellular network calls on burner phones.
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As Ars has reported, along with other countries the UK government is pushing for ways to circumvent or weaken encryption because it claims strong crypto creates a "safe space" for terrorists. This new information that the Paris attackers did not routinely use encryption, if at all, but turned instead to the tried-and-tested technique of burner phones, undermines the argument that everyone's communications must be weakened in order to tackle terrorism.
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Until we have stronger evidence to the contrary, it seems likely that encryption played little or no part in the Paris terrorist attacks.
It does not make us safer.
They intend to use this to go after ordinary criminals and dissidents.
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