White-hat hacking Experts hired by companies to test their websites or email systems for vulnerabilities.
白帽黑客专家，指公司雇佣专家去测试他们的官网网站或email系统是否易受攻击。
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Security analysts are often called white hats, and white-hat analysis is the use of hacking for defensive purposes.
安全分析师通常称为 白帽（white hat）， 白帽分析是为防御目的而使用的密码破解。
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He also perfected the soufifle—a baked egg dish, and introduced the standard chefs uniform—the same double-breasted white coat and tall whitehat still worn by many chefs today.