Military secrecy rules: (1) Don't tell secrets you shouldn't. (2) Don't ask the wrong secret. (3) Don't read the secrets you shouldn't read. (4) Don't bring secrets you shouldn't. (5) Private letters do not involve secrets. (six) do not record secrets in the non-confidential record book. (seven) do not use ordinary posts and telecommunications to transmit secrets. (eight) do not read or talk about secrets in non-confidential places. (9) Secrets shall not be copied, preserved or destroyed without permission. (ten) unauthorized secret carrier to visit relatives or friends. The PLA and the armed police are the same.

Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.