There are hidden dangers of information security in the process of network communication in smart cities, such as Trojans, denial of service attacks, spoofing attacks, SQL injection and worms.

智慧城市网络通信过程中存在信息安全隐患，主要有木马程序、拒绝服务攻击、欺骗攻击、SQL注入和蠕虫病毒等。

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USB Quick Check is a small and easy to use application that will help protect your computer against viruses, trojans, worms and other malicious attacks.

USB快速检查是一个小而易于使用的应用程序，这将有助于保护您的计算机免受病毒，木马，蠕虫和其他恶意攻击。

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For example, many of the zombie-based, distributed denial-ofservice attacks that occurred in February were traced back to benign networks which were merely unwitting hosts to remote-triggered Trojans located on their servers.

CNN: Can you counter-attack hackers?