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“In some cases the NSA has masqueraded as a fake Facebook server, using the social media site as a launching pad to infect a target’s computer and exfiltrate files from a hard drive. In others, it has sent out spam emails laced with the malware, which can be tailored to covertly record audio from a computer’s microphone and take snapshots with its webcam. The hacking systems have also enabled the NSA to launch cyberattacks by corrupting and disrupting file downloads or denying access to websites.

The implants being deployed were once reserved for a few hundred hard-to-reach targets, whose communications could not be monitored through traditional wiretaps. But the documents analyzed by The Intercept show how the NSA has aggressively accelerated its hacking initiatives in the past decade by computerizing some processes previously handled by humans. The automated system – codenamed TURBINE – is designed to “allow the current implant network to scale to large size (millions of implants) by creating a system that does automated control implants by groups instead of individually.

When TURBINE implants exfiltrate data from infected computer systems, the TURMOIL sensors automatically identify the data and return it to the NSA for analysis. And when targets are communicating, the TURMOIL system can be used to send alerts or “tips” to TURBINE, enabling the initiation of a malware attack.

The NSA identifies surveillance targets based on a series of data “selectors” as they flow across Internet cables. These selectors, according to internal documents, can include email addresses, IP addresses, or the unique “cookies” containing a username or other identifying information that are sent to a user’s computer by websites such as Google, Facebook, Hotmail, Yahoo, and Twitter.

Other selectors the NSA uses can be gleaned from unique Google advertising cookies that track browsing habits, unique encryption key fingerprints that can be traced to a specific user, and computer IDs that are sent across the Internet when a Windows computer crashes or updates.

What’s more, the TURBINE system operates with the knowledge and support of other governments, some of which have participated in the malware attacks.

Classification markings on the Snowden documents indicate that NSA has shared many of its files on the use of implants with its counterparts in the so-called Five Eyes surveillance alliance – the United Kingdom, Canada, New Zealand, and Australia.”