Cybersecurity researchers have disclosed two new attack techniques on certified PDF documents that could potentially enable an attacker to alter a document's visible content by displaying malicious content over the certiļ¬ed content without invalidating its signature. "The attack idea exploits the flexibility of PDF certification, which allows signing or adding annotations to certified documents
https://thehackernews.com/2021/05/researchers-demonstrate-2-new-hacks-to.html?utm_source=dlvr.it&utm_medium=blogger
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