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So what's wrong with being tracked by advertisers?

Companies are getting more aggressive about using your phone to track you and then send you location-based mobile ads. So what?

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Opinion: Are online comments full of paid lies?

A thriving industry of paid-for user comments pollutes social networks with fake opinions. Let the reader beware.

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Are your smartphone apps selling you out?

Apple's App Store, Google's Play store and other app stores are packed with apps that can compromise your security and privacy without you ever knowing anything bad happened. What's a mobile app user...

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Secure smartphones are nice, but not enough

In the past week, two new ultra secure smartphones have been in the news. One is called the Blackphone. The other is called the Black phone. The difference in their names is a space. Here's what we...

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3 privacy violations you shouldn't worry about

In the past few years, the public has been confronted with hitherto unimaginable levels of personal privacy invasions.

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In search of a social site that doesn't lie

Mike Elgan would like to find a social network that doesn't lie to users, doesn't experiment on users without their clear knowledge, and delivers by default all the posts of the people they follow.

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The trouble with trolls (and how to beat them)

A vulnerable person. A sociopath or two on social media tormenting that person without consequence. That's trolling in a nutshell.

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Why do contextual ads fail?

The issue of the decade is privacy.

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Protect yourself from hackers and the NSA

The downside of email, chat, text and messaging apps is that they make you feel like you're communicating privately, with only the intended recipients. And that your messages are private. Until they're...

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Is facial recognition a threat on Facebook and Google?

Both Facebook and Google have been working hard at using computers and algorithms to identify people in photos. They've gotten really good at it.

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This is why tech toys are dangerous

Toys are dangerous. I'm not talking about toys with sharp edges, toxic materials or parts that constitute a choking hazard. I'm talking about hacking -- a new threat to the safety of children. Last...

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Surprising tips from a super-hacker

Virtually everyone in technology knows about Kevin Mitnick, the one-time fugitive hacker who is now a security consultant. Mitnick has a wealth of security advice for the public.

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5 shocking new threats to your personal data

The internet and smartphones have come up with five new and surprising ways to steal or expose our personal data. These trends make panic sound like a good idea.

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Easy mobile security the Faraday way

Wireless attacks are unpredictable and complicated. Here’s an easy way to block everything.

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Get ready for the age of sensor panic

Cameras, microphones and other sensors are showing up everywhere. And this is just the beginning.

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