HTML5 sandbox - a security feature to sandbox third party content on the website, to prevent malicious behavior like cookie stealing, form submission or page redirection.

HTML5 SandBox——该安全特性可以将网站上的第三方内容放在沙箱当中，防止诸如Cookie窃取、表单提交或是页面重定向等恶意行为。

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This prevents attackers from stealing information from the main page.

这样可以防止攻击者从主页面中窃取信息。

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The Daily Telegraph front page showed us two pictures of a 12-year-old boy convicted of stealing wine from a store in Manchester.

《每日电讯报》（Daily Telegraph）的头版是两张关于一个12岁男孩从曼彻斯特商店里偷酒的照片。

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The Dow lead not only the business pages but the nightly television newscasts, and silicon snake-oil salesmen, stealing a page from the Y2K playbook, even jumped in to claim that five digits would melt the exchange's computers.

FORBES: Magazine Article

The spokesperson noted that the Facebook log-in page is always encrypted, preventing someone from stealing your password, and also offered up a general warning for Web users.

FORBES: Facebook Responds to Firesheep WiFi Security Controversy