operations security

counterespionage safety procedures and practices

en-US/ˌɑpɚˈeɪʃənz sɪˈkjʊɹɪti/
en-GB/ˌɒpəˈɹeɪʃənz sɪˈkjʊəɹɪtɪ/

Катэгорыі:

information securitysecurity science