How to reveal incorrectly redacted content in a PDF document, and discover previous versions of that document inside its file.
security
How you can tell whether a PDF file is likely to contain orphaned content and other problems, as available now in Podofyllin.
When I opened a PDF to inspect its source, the file was quite different to that seen in BBEdit. Was my file system broken?
PDF is an invaluable, universal document format which is fundamentally flawed, allowing it to leak unintended content and worse. Here’s how this happens.
Three ways to remove data from PDFs: redaction, deletion of content, and deletion of annotations. Can you trust them, or do they leak data?
Do you use digital signatures in PDF documents, or do you trust your PDF reader to check them? You could be spoofed into trusting forgeries.
A day after updating Gatekeeper’s data, Apple has just pushed an update to its malware removal tool, MRT, […]
Apple has pushed an update to the data used by Gatekeeper, bringing its version number to 163, dated […]
Can you get malware in PDF? How far can you trust a PDF, or could it be a forgery? How to sign PDFs, and what data may remain hidden inside them.
Don’t the update buttons work in LockRattler? It’s probably because something is blocking outgoing traffic.
The Eclectic Light Company 