How to express a strong sense of confidentiality in written language?

A high sense of confidentiality, strict confidentiality habits, excellent confidentiality literacy, etc.

1, high sense of confidentiality: This expression emphasizes the great importance and strong sensitivity of confidentiality.

2. "Strict secrecy habit: This expression emphasizes the habit and principle of strict secrecy formed by individuals in their daily life.

3. "Excellent confidentiality literacy: This expression emphasizes personal professionalism and ability in confidentiality, as well as consistent caution and confidentiality awareness.