As part of its efforts to install malware on “millions” of computers worldwide, the National Security Agency impersonated Facebook to trick targets into downloading malicious code. “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,” reports The Intercept in its latest expose based on top-secret documents obtained by Edward Snowden. “[The NSA] 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...