人们已经意识到保证网络安全的重要性。
安全协议提供安全服务，是保证网络安全的基础。
Security protocols are the basis of security which provide security services in network.
他们辩称道，那些运作网络的人自己才是保证网络安全的最佳人选。
The people who run the networks are themselves best-placed to keep them safe, they argue.
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