Don't-Miss Security Stories

Revoke Tweet Deck access for Twitter

How to keep the XSS TweetDeck bug from posting on your behalf

The XSS Hole in TweetDeck is more than a nuisance. If you're a user of the popular Twitter client, here's how to protect yourself, step by step.

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Can your ISP read what you send over Facebook?

Your Internet service provider knows an awful lot about you. But when you’re on Facebook, your ISP is the least of your privacy worries.

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A beginner's guide to BitLocker, Windows' built-in encryption tool

Now that TrueCrypt is seemingly gone, here's how to get started with BitLocker, the encryption tool Microsoft built right into many versions of Windows.

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Get two-factor authentication on the desktop with Authy

A new app lets you generate two-factor authentication codes on your desktop PC. Here's how it works.

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Definitely deleted: How to guarantee your data is truly gone before recycling old PCs and drives

Hitting 'delete' is just the beginning. Depending on the type of storage and the sensitivity of the information, there are other things you need to do to make sure your deleted files are gone for good.

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When Tech Support calls you

Out of the blue, someone calls and tells you your computer is infected or has a problem. Maybe they claim to be from Microsoft. Here’s what you should do.

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How to selectively delete browser history

Remove individual sites or pages from your history rather than all of it. We'll show you how in this video tip.

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Protect your privacy while you browse

Here’s how to give crooks, corporations, and governments the slip while you search the web.

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Why you don’t need to encrypt your backup

You should back up all of your data files and encrypt the sensitive ones that you don’t want other people to read. But that doesn’t mean you have to encrypt the backup.

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Watch out for photos containing malware

That adorable picture of a cute kitten may contain claws. Here's how photos on the Internet can infect your PC.

Bugs & Fixes: With exploit roaming in the wild, Adobe updates Flash and Air

Anything that makes Flash safer is good. In this case, a known exploit makes the update well worth your time.

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Bugs & Fixes: 18 vulnerabilities in IE, squashed

A seemingly quiet Patch Tuesday lumps a bucket of browser vulnerabilities into one, big item. Windows and Silverlight bugs are also squashed.

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Your IP address: Who can see it and what you can do about it

You need a visible IP address to surf the web, but you can manage some of that visibility to protect your privacy. Here's how.