UK's Ministry of Defence fails at redacting nuclear sub secrets
The UK's Ministry of Defence is reported to have failed to correctly redact PDF files it released under the Freedom of Information Act. Redaction is the process of removing classified information from documents; on paper documents, this is done by using a black marker to cross out the text. The reportPDF in question, "SUCCESSOR SSBN - SAFETY REGULATORS ADVICE ON THE SELECTION OF THE PROPULSION POLANT IN SUPPORT OF THE FUTURE DETERRENT REVIEW NOTE" was published as a PDF file on the parliamentary site, the Daily Star revealed the MoD had originally "redacted" the document by changing the background colour of the text to black.
So if you copy and paste the pieces with the black background ......
You don't need to be a genius to debug a pf.conf firewall ruleset, you just need the guts to run tcpdump