Security notes

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Secure PDF documents: harden Adobe Acrobat against attacks

Using Edit->Preferences (key combination: Strg+K), you should disable various functions of your Adobe Reader in order to secure it against hackers. Multimedia Trust must not be allowed (prevents direct IP connections):

JavaScript must be deactivated (prevents hacker attacks):

Internet: Forbid displaying PDFs in the browser (prevents direct IP connections):

Trust Manager: Forbid to open external applications