Andriod 7以上系统安卓手机 可充当物理安全密匙

The Verge报道指出,谷歌今天宣布,任何运行Android 7或更高版本操作系统的手机,现在都可以充当双因素验证机制的物理安全密钥。这与谷歌当前提供的其他几种双因素验证方法相比,用户登录谷歌应用程序将变得更加安全。如果用户想要使用物理设备进行登录验证,不再需要购买一个加密锁,直接使用手机就可以了。

要让安卓手机成为物理安全密钥,用户只需要通过蓝牙将手机连接到PC,再用PC上的Chrome浏览器验证登录即可。新的身份验证方案适用于Gmail、G Suite、Google Cloud以及任何其他谷歌帐户服务,并使用FIDO身份验证标准。谷歌表示,其他网站可能会在稍后添加这种方案,但它仍处于验证其服务的过程中。

当有人获得用户密码时,双因素身份验证可以帮助防止未经授权的登录,这在数据泄密和网络钓鱼攻击导致帐户陷入危险中时非常重要。谷歌建议每个人都使用自己的手机作为物理安全密钥,并且特别建议“容易遭到网络攻击风险的记者、活动人士、商业领袖和政治竞选团队”使用手机。

并非所有的双因素身份验证方法都同样安全可靠,谷歌在其验证史上提供了一系列案例,比如短信验证码(有明显弱点)、谷歌认证器的旋转编码以及谷歌提示等,后者可让安卓手机和谷歌服务在计算机上直接通过互联网相互交流。而新的物理安全密钥的工作原理非常类似于谷歌提示,但它要求用户手机必须实际靠近计算机,以阻止那些可能试图从世界各地登录你的用户账户的人。

此外,新的验证机制还使用了两种身份验证协议,即FIDO和WebAuthn,借此来检查用户是否在访问正确的网站,并且没有受到钓鱼攻击。

要想将安卓手机激活作为安全密钥,用户需要一部运行Android 7或更高版本操作系统的手机,并在Chrome OS、macOS或Windows 10设备上打开单独的Chrome浏览器。首先,在安卓手机上登录谷歌账户,打开蓝牙。然后在第二部设备上打开Chrome浏览器的myaccount.google.com/security,点击“两步验证”。选择添加安全密钥的选项,并从设备列表中选择用户的手机。

如果用户使用的是Pixel 3,可以使用音量下降按钮来激活安全密钥,谷歌表示,它将FIDO凭证存储在Pixel的Titan M芯片中,该芯片可以验证按压按键是否合法。其他运行Android 7及更高版本的设备仍然可以使用两步身份验证方法,但用户需要登录并点击一个按钮。

目前,谷歌的物理安全密匙服务只能在安卓手机上使用,而且只适用于登录谷歌服务,而不是第三方网站。谷歌表示,由于新技术运行在相同的协议上,包括FIDO标准,其他公司实现类似技术只是时间问题。除Chrome外,其他浏览器也可能获得支持,其他服务最终也可能会扩展到使用安卓手机作为安全密钥。谷歌宣称,它正在朝着这个最终目标努力。

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