A central idea in The Code Book is the concern that much of the world’s information is not secure. Which lines from the passage best support this central idea? Choose three correct answers.

B directly states that only a small fraction of information moving around the world is securely encrypted. D supports the concern by saying that few people take enough precautions to protect their privacy. E adds that law enforcers and curious people can obtain more information, reinforcing the idea that much information is not secure.

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