Dave Lieber I was confused. Kept seeing mention of a security “key” offered on some of my favorite websites—Microsoft, Google, YouTube and Facebook, to name a few. I wasn’t sure if I should use it.

In today’s fast-paced and digital world, knowing basic computer skills is essential — especially if you're preparing for government competitive exams. Whether it’s for SSC, Banking, Railways, or State ...

Excel spreadsheets do so much, from making lists to crunching numbers to acting as sophisticated flat-file databases. We’re creating this guide to make sure you master all the essentials and more.

Computer scientists have devised an attack that reliably extracts secret cryptographic keys by capturing the high-pitched sounds coming from a computer while it displays an encrypted message. "We ...