In the US, police and prosecutors continue to say encryption—the use of math to protect data from outside eyes, including those of the government—presents a significant barrier to solving crimes or following leads.
Now, on the other side of the Atlantic, the head of Europe's law enforcement body is saying that encryption is an issue in the vast majority of cases the agency sees.
“Encryption dilemma must be solved soon. Real problem in 75% of all Europol cases,” Rob Wainwright, director of Europol, tweeted on Sunday.

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