Kitestring Notifies Your Emergency Contacts If You Go Dark

If you’re going on a solo trip or even for a walk at night, it’s a good idea to let a loved one know you’re safe. Kitestring is a simple webapp that checks up on you and sends a text message to your emergency contacts if you don’t respond by a designated time.

Ask LH: Is LastPass Secure? What Happens If It Gets Hacked?

Dear Lifehacker, You recommend LastPass to avoid problems when services get hacked, but what happens if (or when) LastPass gets hacked? Wouldn’t that just give hackers access to all of my accounts? Is LastPass safe to use?

You Don't Own Your Data

Many of us have a protective instinct when it comes to our data. After all, it’s ours. Why should someone else profit from it? There’s just one problem: there may be privacy laws protecting you from being spied on and copyright laws protecting the ownership of content you create, but data doesn’t belong to you just because it’s about you.

Stop Instagram From Posting Your Likes To Facebook

When you like a photo on Instagram, your friends on Facebook will see that you liked it. If you’d like to turn this behaviour off, you can do so with the flick of a switch.

How To Opt Out Of Twitter's New Photo Tagging

Recently, Twitter rolled out a couple of new photo features, one of which is the ability to tag the people in a photo. If you’d rather not be tagged in Twitter photos, here’s how to prevent it from happening.

File Hide Expert Hides Your Sensitive Documents, Disguises Itself

Android: In any Linux-based operating system, including Android, you can hide files and folders easily by adding a prefix to the file name. If you want an easier interface for this, File Hide Expert is on the job.

How People Can Track You On Twitter, Even If You Don't Use Geotags

Privacy is important, but even when you’re careful to not leak your info publicly, researchers can still figure out where you are fairly easily. Ars Technica explains how.

How To Avoid The Microsoft Word RTF Security Flaw

Caution, Microsoft Word users: there’s a vulnerability in all versions of Word that can render your computer open to attack. Microsoft says it is working on a fix — here’s how to stay safe in the meantime.

Five Best VPN Service Providers

A VPN (virtual private network) is a great tool to protect your privacy and security while you use the internet, as well as a nifty means of working around geo-blocking. Whether you’re at home or using public Wi-Fi while travelling, the best combine great pricing with security features and privacy guarantees that make them worth your trust. This week, we’re looking at five of the best VPN providers, based on your nominations.

How You Ruin Your Privacy Online Every Day (And How To Stop)

Thanks to the NSA, online privacy is suddenly a major issue, but most of us aren’t doing a good job of locking it down. Here are a few of the things we all tend to do that leak private information to friends, strangers, businesses and ad companies — plus how to stop them.