Question

a central idea in the code book is the concern that much of the worlds information is not secure. which lines from the passage best support this central idea? check all that apply. it could be that the laws of mathematics forbid the existence of a significant shortcut. only a small fraction of the information flowing around the world is securely encrypted. companies are already supplying shielding material that can be used to line the walls of a room. few of these people take adequate precautions in terms of privacy. law enforcers and anybody else with a curious mind can get their hands on more information.

Explanation:

• "only a small fraction of the information flowing around the world is securely encrypted" shows most info isn't secure.
• "few of these people take adequate precautions in terms of privacy" implies lack of security.
• "law - enforcers and anybody else with a curious mind can get their hands on more information" indicates information is accessible and not secure.

Answer:

• only a small fraction of the information flowing around the world is securely encrypted
• few of these people take adequate precautions in terms of privacy
• law enforcers and anybody else with a curious mind can get their hands on more information