隱私指南
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Learn how to send an encrypted email in Gmail using S/MIME or CSE, and the best
alternative if you’re looking for genuine privacy.
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Privacy online is a basic human right that you need to protect yourself and
ultimately defend your freedom, whoever you are.
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We look at popular cryptocurrency scams, explain how they work, and offer advice
on how you can avoid them.
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We use end-to-end encryption to secure your emails. Here's what end-to-end
encryption means, and how it protects you.
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When you use DNA genetic testing services like 23andMe or AncestryDNA, your data
can be used in ways you can’t always control.
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Despite its popularity, SMS is a dangerously insecure way to send text messages.
We examine why and discuss what you can do about it.
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Fingerprinting is a devious way to identify you on the internet and can be very
hard to prevent

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What is personally identifiable information, and how can it be used against you?
We go over what PII stands for, and how you can protect it.
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Learn the different ways to send an email to multiple email addresses with our
explainer on To, CC, and BCC.