Replay attack prevention: Each issued U-Prove token also contains a token-specific public key that is known only to the Prover.

重放攻击（Replay attack）防护：每个发布的U-Prove令牌中还包含专门针对每个令牌的公钥，这只有验证方才知道。

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Also featured is integrated Denial of service attack prevention technology that provides continuity of service to users in case of an attack.

另一个产品特性是集成了防止拒绝服务攻击的技术，即使受到攻击也能保证连续的服务。

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This paper analyzes the ARP protocol and its working principle and the existing defense against ARP spoofing attack prevention and detection methods and characteristics.

本文分析了ARP协议及其工作原理和现有的ARP欺骗攻击的防御方法以及防御和检测特点。

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Topol, chief academic officer at Scripps Health, says he tried to get Schering and Merck to start a big heart-attack-prevention trial of Vytorin four years ago.

FORBES: Magazine Article

Microsoft added in a follow-up blog post that IE 8 users are protected by default from the attack by Data Execution Prevention, a safeguard designed to prevent content data from being misinterpreted by a program as executable commands.

FORBES: Criminal Exploits Targeting New Bug In Old Internet Explorer Versions

Lord Warner said examples of products where restrictions are likely to be lifted include 75mg aspirin tablets for secondary prevention of heart attack or stroke, and the use of products containing calcium and vitamin D by patients with osteoporosis.

BBC: Drug ad ban lifted