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New technique detects tampering or forgery of a PDF document

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New technique detects tampering or forgery of a PDF document 2025-07-07 at 07:37 By Sinisa Markovic Researchers from the University of Pretoria presented a new technique for detecting tampering in PDF documents by analyzing the file’s page objects. The technique employs a prototype that can detect changes to a PDF document, such as changes made […]

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How attackers deliver malware to Foxit PDF Reader users

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How attackers deliver malware to Foxit PDF Reader users 2024-05-15 at 16:31 By Zeljka Zorz Threat actors are taking advantage of the flawed design of Foxit PDF Reader’s alerts to deliver malware via booby-trapped PDF documents, Check Point researchers have warned. Exploiting the issue The researchers have analyzed several campaigns using malicious PDF files that

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The misconceptions preventing wider adoption of digital signatures

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The misconceptions preventing wider adoption of digital signatures 05/09/2023 at 07:33 By Mirko Zorz In this Help Net Security interview, Thorsten Hau, CEO at fidentity, discusses the legal validity of qualified digital signatures, demonstrating their equivalence to handwritten signatures when backed by robust identity verification. Opting for certified providers that adhere to standards like eIDAS

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