Mixing
指令长
指令长（英文：Commander，俄文：Командир）：在载人航天领域，指飞行乘组为多人时，对其中总负责人的称谓，相当于航海活动中的船长。早期的载人航天都是单人飞行，宇航员单独完成所有任务。随着单次任务中人数的增多，宇航员开始有了分工。指令長是负责接收地面指令或向地面传输指令，並对其他成员发出指令的人。指令长通常由资历深厚的宇航员担任，并常常兼任驾驶员。
這是一个关于职业的小作品。你可以通过编辑或修订扩充其内容。Information security
This article is part of a series on Information security Related security categories Internet security Cyberwarfare Computer security Mobile security Network security Threats Computer crime Vulnerability Eavesdropping Malware Spyware Ransomware Trojans Viruses Worms Rootkits Bootkits Keyloggers Screen scrapers Exploits Backdoors Logic bombs Payloads Denial of service Defenses Computer access control Application security Antivirus software Secure coding Secure by default Secure by design Secure operating systems Authentication Multi-factor authentication Authorization Data-centric security Encryption Firewall Intrusion detection system Mobile secure gateway Runtime application self-protection (RASP) v t e Information security , sometimes shortened to InfoSec , is the practice of preventing unauthorized access, use, disclosure, disruption, modification, inspection, recording or destruction of information. Th...
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