On the same time, it has to be confronted with various security attack.
同时可能受到来自多方面频繁的安全攻击，从而导致一系列安全问题。
参考来源 - 网络数据库安全技术研究Traffic analysis is a security attack where an adversary observes network traffic in order to infer sensitive information about the identities of communicating parties and traffic patterns. The leakage of such information is often devastating in security-sensitive scenarios.
流量分析是一种安全攻击,攻击者对网络流量和内容进行观察和分析,获得通信方的身份和通信状态等重要信息,这些信息的泄露通常对安全敏感的场景是致命的。
参考来源 - 无线移动Ad hoc网络安全隐匿路由协议的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
This method not just protects the first access node (3), but also the following network nodes (10) and users (1) respectively, against a security attack.
此方法不仅保护第一接入节点(3)，而且分别保护后面的网络节点(10)和用户(1)，免于安全攻击。
The present invention relates to a method for protecting a network against a security attack from an user, and in particular, for a layer 2 switch, against a MAC flooding attack.
本发明涉及一种用于保护网络免于来自用户的安全攻击并且尤其是对于第2层交换机而言免于MAC洪流攻击的方法。
Government should attach great importance to cyber security which is constantly under attack and is of great importance to national security.
政府应该十分重视网络安全，它不断地受到攻击，却又对于国家安全十分重要。
The case has generated concern among India's security establishment, still reeling from the large terror attack on Mumbai 11 months ago.
VOA: standard.2009.10.30
No one has claimed responsibility for the attack. Senior police official Ghafoor Afridi tells VOA that the bomber bypassed multiple security checkpoints.
VOA: standard.2009.09.26
One officer told local reporters that the attack started about 7:30 in the morning, when gunmen threw grenades at security forces training outside.
VOA: standard.2009.03.30
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