A Back Door to Encryption Won't Stop Terrorists

Whatever technology authorities can read, the effective attackers won't use.

The telegraph won't work any better.

Photographer: Indrannil Mukherjee/AFP/Getty Images

There's no evidence the plotters of the Paris terrorist attacks used encrypted communications, but debates about whether the technology should have a "back door" for intelligence services are heating up again. The debate, however, probably will have little effect on terrorist organizations.

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