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Your daily source of cybersecurity news brought to you by Group-IB, one of the global industry leaders.
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🔍 Think your PDFs are secure? Think again.

Our latest blog reveals how "official" documents can be forged or tampered with leaving zero traces if unsigned. From hidden overlays to broken signatures, learn why visual checks fail and how to detect fraud.

Key insights:
🔹 Subtle PDF edits can void digital signatures and break document integrity.
🔹 Tools like Adobe Acrobat and PDF-Processing can reveal hidden annotations and previous versions.
🔹 Metadata can be misleading; only digital signatures reliably prove authenticity.
🔹 Unsigned or PDFs with no password protection offer ZERO assurance.

Dive into the full analysis to learn how to spot tampering before it causes damage.

#Cybersecurity #PDFsecurity #DigitalForensics #InfoSec #DocumentIntegrity #ZeroTrust
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