Are all files safe as long as I open them with trusted software? Tutorial

Think all files are safe simply because they come from trusted software? Think again! In this eye-opening video, we explore the truth behind file safety, revealing how even seemingly reliable files can harbor hidden dangers. Discover why verifying sources and contexts is crucial for your security. Don't let malicious macros or deceptive PDFs catch you off guard—watch now to unlock essential insights on digital safety.

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always safe as long as I open it with trusted software?
00:00:14
False.
00:00:14
Even if the site or sender seems reliable,
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it might have been hacked or the file could have been altered en route.
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And trusted software does not necessarily prevent the opening of a malicious file.
00:00:24
Some files exploit vulnerabilities in the programs themselves.
00:00:28
One must always verify the source and context.
00:00:31
Word and Excel files can contain malicious macros
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that activate as soon as I open them,
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even if I am careful.
00:00:38
True,
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macros are small scripts that can automate actions or install a virus.
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In some cases,
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opening a file can be enough if the macros are automatically activated.
00:00:48
Fortunately,
00:00:49
recent software blocks macros by default,
00:00:52
but it's best never to activate them if you don't know their origin.
00:00:56
Is a PDF file always secure if it comes from a reliable source?
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False.
00:01:01
PDF files can also contain malicious code or be
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designed to exploit vulnerabilities in your PDF reader.
00:01:07
Even a PDF can trap you,
00:01:08
especially if it comes from a hacked contact or contains links or attachments.
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The format is not a security guarantee,
00:01:14
so no,
00:01:15
a file is never completely harmless.
00:01:17
Even if it looks legitimate,
00:01:18
it can contain an unpleasant surprise.

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