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国家安全局# 8217年代天网可能标志着无辜的人的名单

发布时间:2018-09-22 16:04 作者:admin 来源: 点击: 字号:

Between 2,500 and 4,000 so-called 大发体育‘;extremists’; have been killed by drone strikes and kill squads in Pakistan since 2004。 From as early as 2007, the NSA has targeted terrorists based on metadata supplied by machine learning program named Skynet。 I have no idea who would find naming Skynet a machine designed to list people for assassination a bright idea, but that’;s besides the point。 The real point is that the inner workings of this software, as revealed in part by Edward Snowden from his leaks, suggest that the program might be targeting innocent people。

MQ-9 Reaper taxiing。 Image: Wikimedia Commons

MQ-9 Reaper taxiing。 Image: Wikimedia Commons

Ars Technica talked to Patrick Ball, who is a data scientist and the executive director at the Human Rights Data Analysis Group。 Judging from how Skynet works, Ball says the machine seems to be scientifically unsound in the way it chooses which people deserve to be on the black list。

skynet

In a nutshell, Skynet works like most Big Data corporate machine learning algorithms。 It works by mining the cellular network metadata of 55 million people and assigning a score to each, the highest pointing to terrorist activity。 So, based on who you call, how long the call took and how frequent you dial a number, where you are and where you move, Skynet call tell if you’;re a terrorist or not。 Swapping sim cards or phones will be judged as activity that’;s suspiciously linked to terrorist activities。 More than 80 different properties, in all, are used by the NSA to build its blacklist。

SKYNET

So, judging from behaviour alone, Skynet is able to build a list of potential terrorists。 But will the algorithm return false positives? In one of NSA’;s leaked slides from a presentation of Skynet, engineers from the intelligence agency boasted how well the algorithms works by including the highest rated person on the list, Ahmad Zaidan。 Thing is, Zaidan isn’;t a terrorist but an Al-Jazeera’;s long-time bureau chief in Islamabad。 As part of the job, Zaidan often meets with terrorists to stage interviews and moves across conflict zones to report。 You can see from the slide that Skynet identified Zaidan as a “;MEMBER OF AL-QA’;IDA。”; Of course, no kill squad was sent for Zaidan because he is a known journalist, but one can only wonder about the fate of less notorious figures who had the misfortune to fit “;known terrorist”; patterns。

本文源自: 环亚娱乐

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