Internet Archive - communication security comsec 1958 (1958)

财富辛

Title: Communication Security (COMSEC)
Source: Internet Archive (Archive.org)

English Introduction:
A 1958 technical training film introducing the basics of communication security and the protection of sensitive information.

中文标题：
《通信安全（COMSEC）》 (1958)

中文简介：
1958年的技术训练片，介绍通信安全与敏感信息保护的基本要求。

Access Notice:
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