Hackers exploited a flaw in Twitter’s application programming interface (API), which let them skim 5.4 million user IDs. But a newly discovered batch of stolen data means that number could be much more significant than initially thought. And it's floating around online for free. We've got details on this massive data breach with some tips to protect your data.

You must always keep your guard up to fend off devious criminals, especially during the holidays. You won't believe how they are trying to rip you off now! Crooks are impersonating the FBI in the latest round of scam phone calls. If you fall for it, you'll be out big money. Here's how to avoid falling victim.

What do you do when you find yourself in an emergency? You call 911. But thanks to your iPhone, you can do so much more. Emergency SOS sends your medical info to emergency services and alerts your contacts. You can even make the call from the lock screen. Here's how to set it up.

Setting up scheduled emails is a productivity hack that will revolutionize your life. This handy trick can keep you out of trouble, avoid timezone awkwardness and show business partners how thoughtful you are.

We love a fast, convenient web app, especially for tasks that often take us far out of our way. Web Apps by 123apps is a simple video and audio editing tool. It's free to use and can even be used for things like PDF management and file conversion. Here's everything you need to know.

What can the perfect color palette do for you? Even if you're not a graphic designer by trade, you might be surprised by how useful a great palette can be. Whether you're putting together a big presentation or simply trying to redesign your kitchen, this free tool can light the way with a balanced, tasteful color palette.