Why Google isn't too happy about a smiley-face Post-it left by the NSA

The spy agency allegedly broke into the back-ends of Google and Yahoo

NSA
(Image credit: (Mark Wilson/Getty Images))

The scope of the National Security Agency's surveillance capabilities is as good as anybody's guess. But the latest batch of revelations suggests the shadowy organization has a cheeky streak.

The Washington Post reports that that NSA has secretly broken into "the main communications links" of the web's top two services — Yahoo and Google — and their data centers around the world, according to documents swiped by NSA leaker Edward Snowden.

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The document also includes this smiley-faced Post-it note, apparently scribbled by one NSA employee for another:

The Post reports that "two engineers with close ties to Google exploded in profanity when they saw the drawing."

The document, dated Jan. 9, 2013, shows that the NSA's primary tool for hacking into the data links connecting Google and Yahoo and their data centers is a project called MUSCULAR, which is shared with the agency's British counterpart GCHQ. The program is separate from PRISM, which provides the NSA with front-door access through legal means.

MUSCULAR is different. Its primary channel is via a shady back-end, yet similarly allows the NSA to gobble up enormous amounts of data.

By tapping those links, the agency has positioned itself to collect at will from among hundreds of millions of user accounts, many of them belonging to Americans. The NSA does not keep everything it collects, but it keeps a lot. [Washington Post]

A spokeswoman for Yahoo says: "We have strict controls in place to protect the security of our data centers, and we have not given access to our data centers to the NSA or to any other government agency." Similarly, a Google representative says that the company is "troubled by allegations of the government intercepting traffic between our data centers, and we are not aware of this activity."

Gen. Keith Alexander, the NSA's head, denied the allegations in the latest report, saying the NSA had not authorized such data collection.

Chris Gayomali is the science and technology editor for TheWeek.com. Previously, he was a tech reporter at TIME. His work has also appeared in Men's Journal, Esquire, and The Atlantic, among other places. Follow him on Twitter and Facebook.