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Siri中招 浙大团队发现超声波可唤醒语音助手 - 站长搜索
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Siri中招 浙大团队发现超声波可唤醒语音助手

互联网 2017-09-08 11:31:06 转载来源: 威锋网

(原标题:Siri中招 浙大团队发现超声波可唤醒语音助手) 作者:大大大伟Lucius我们都知道,在锁机状态下也可以发声“Hey Siri”或者“OK Google”来激活智能语音助手Siri、Google Assistant。不过这类智能语音系统要面临一个大挑战了,中国浙江大学一个研究团队发表论文指出,他们已经成功研究出了利用人耳听不到的超声波,远距离操作智能手机上的Siri、Google Assistant、Alexa语音系统

(原标题:Siri中招 浙大团队发现超声波唤醒语音助手

作者:大大大伟Lucius

我们都知道,在锁机状态下也可以发声“Hey Siri”或者“OK Google”来激活智能语音助手Siri、Google Assistant。不过这类智能语音系统要面临一个大挑战了,中国浙江大学一个研究团队发表论文指出,他们已经成功研究出了利用人耳听不到的超声波,远距离操作智能手机上的Siri、Google Assistant、Alexa语音系统。而在他们的示范中,Siri果然中招了,劫持者可以利用超声波激活Siri??并成功使用了电话呼叫功能。

浙大团队利用实验解说了他们的研究成果。据了解,该团队使用了一种名为DolphinAttack的技术,它可将人声信息直接转化为超声波,转换出来的超声波虽然人耳听不到,但 Siri、Google Assistant、Alexa 等语音操作系统依然可以判别出来。研究团队测试了三个语音系统,包括 iPhone、iPad 甚至是 Audi Q3等16个硬件,其中发现有7款硬件已经被证实可以成功劫持。

视频中我们可以看到团队的测试过程。首先他们示范使用事先录制好的声音来唤醒另外一台 iPhone 的 Siri,然后使用了 DolphinAttack 硬件录音,最后通过超声波并成功地控制了 iPhone 且呼出了电话。在影片中可以看到 iPhone 轻而易举地被劫持了。

DolphinAttack 破解装置成本只需20 元,而且可随身携带。这次试验揭示了当前人工语音智能遇到了一个大危机,该研究或许在提醒手机制造商可以对设备的语音功能进行音波过滤,以防止设备被劫持的情况发生。

标签: Siri 中招 浙大 团队 发现 超声波 唤醒 语音 助手


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