The bug, which $4 in a widely used encryption standard to trick web servers into giving up valuable user data, has affected nearly everyone on the Internet.
As we $4, as many as 66% of websites use the software containing the flaw, including major services like Facebook, Yahoo, and Gmail.
That makes it an extremely useful tool for the NSA's data collection efforts, though its use throws into question the NSA's intentions and efficacy. After all, it's difficult, maybe even impossible, to determine which puts American cybersecurity at greater risk: leaving American citizens' data vulnerable for two years to a method that doesn't leave a trace, or the threats that the NSA is fighting against using the bug itself.
(This story is developing...)