It appears as if the New York Times, in its latest publication of leaked NSA documents, failed to properly redact the PDF it uploaded, exposing the name of the NSA agent who composed the presentation as well as the name of a targeted network.
Cryptome seems to have been the first site that noticed the redactions that actually weren't, issuing a couple of tweets that informed its followers of this fact. This led to Bob Cesca at the Daily Banter turning the NYT's error into an anti-Snowden rant (which I found via F-Secure's blog) that decried everyone involved while "virtuously" refusing to name the entity that had discovered the poorly-done redactions (but including the uncredited tweets in full for easy searching).
As soon as the article was posted, someone from or associated with a popular cryptography website claims to have downloaded a pdf of the Snowden document from The New York Times and discovered that three of the redactions that were intended to obscure sensitive national security information were easily accessible by highlighting, copying and pasting the text. The poorly-redacted file was subsequently posted...