Often abbreviated MITM, such attacks are when a hacker tries to get in between a user and an encrypted or secure service.

这类攻击通常被简写为MITM (Man In The Middle)，是黑客试图切入用户同加密服务或安全服务之间的一种攻击。

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As the first defense line of secure application system, the identity authentication is the most important secure service.

身份认证作为安全应用系统的第一道防线，是最重要的安全服务。

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We have committed ourselves to provide efficient, convenient and secure service of best quality with reasonable and competitive price.

公司以最优质的服务、合理的价格、良好的信誉为客户提供快捷、高效、安全的服务。

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With an optimized delta certification for product approval, this secure service platform can be tailored to fit the needs of each individual NFC deployment.

ENGADGET: Gemalto adds AMEX, Mastercard and Visa certs to its UpTeq NFC SIM

With the Go Secure service for Check Point products, rather than going through a complex string of downloading files and importing them into Check Point VPN software, end users log on to a Web site and click twice.

CNN: VeriSign takes the pain out of digital certificates

Now Facebook and Twitter do offer that kind of secure service - but it's not the default option, so users have to switch it on if they want to be sure that their use of those sites is private when they are in a public wi-fi hotspot.

BBC: How safe is life online?