Researchers Demonstrate 2 New Hacks to Modify Certified PDF Documents
This article has been indexed from The Hacker News
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 certified content without invalidating its signature.
“The attack idea exploits the flexibility of PDF certification, which allows signing or adding annotations to certified documents
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