Redaction Failure

"Avoid Super-Embarrassing Redaction Failures"

I have often run across documents written by lawyers that looked redacted—but all the supposedly secret information in them could be extracted with literally three keystrokes (ctrl-A, ctrl-C, ctrl-V). One was a court filing that was filed pursuant to a court order authorizing the redaction; but the material so carefully marked secret proved not to be secret at all.