operations security

counterespionage safety procedures and practices

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

دسته بندی ها:

information securitysecurity science