Recommender System; Collaborative Filtering; User Trust; Malicious Attack; Similarity.

推荐系统；协同过滤；用户信任；恶意攻击；相似性。

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McAfee has a product called McAfee Secure which helps corporations determine whether their sites are open to malicious attack.

McAfee有一个叫做McAfee安全(Secure)的产品，用来帮助公司确认自己的网站是否会受到恶意攻击。

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In the malicious attack statement, two kinds of attacks, SQL injection and middleware channel multiplexing, are hard and heavy.

在恶意攻击语句中，SQL注入和中间件通道复用两种攻击是难中难，同时也是重中重。

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If this is in fact a malicious attack, those responsible will be held accountable.

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The personal data table, which is a separate data set, was not encrypted, but was, of course, behind a very sophisticated security system that was breached in a malicious attack.

FORBES: Update: Sony Encrypted Playstation Users' Credit Cards, But Researchers Spot Stolen Cards Online

Results released in May 2011 for the Unisys Security Index, a semi-annual survey of consumer opinion on multiple dimensions of security, showed that 56 percent of Americans saw cargo transported by air, sea or land as extremely or very vulnerable to malicious or terrorist attack.

FORBES: Air Cargo Security: Time For The World To Take New Measures