The Update You Can’t Afford to Skip: End of Support for Office 2016 & Office 2019

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File Security

Learn how MetaDefender for File Security offers comprehensive protection against file-borne threats for web applications, critical infrastructure, and the network perimeter.

Latest Articles

Apr 1, 2026 | File Security

Concatenated PDFs: A Simple Trick That Confuses Anti-Malware Engines and AI Systems

PDFs are among the most universally trusted and widely used document formats in enterprise environments. They are exchanged daily across email, file-sharing platforms, and collaboration tools. Precisely because of that trust, they have become one of the most consistently abused vectors for phishing campaigns, malware delivery, and social engineering attacks.
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Discover Critical Infrastructure Protection at One of OPSWAT’s Global Experience Labs

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