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Contract killer: Certified PDFs can be secretly tampered with during the signing process, boffins find
 19 days ago

Cover picture for the article24 out of 26 tools vulnerable – with bonus JavaScript attack for Adobe. A pair of techniques to surreptitiously alter the content of certified PDFs have been detailed by researchers in Germany. The upshot is that someone could digitally add their signature to a PDF of, say, a contract, pass...