DEF CON 23: How to kill a human with a keyboard

Security researcher Chris Rock discovered, that it’s very easy to kill a human. All you need is just a computer with Internet access, some knowledge and common sense.
What are exploits and why they are so scary?

Security experts often mention exploits as one of the most serious problems, although it’s not always clear why exploits are so special and scary. We’ll try to explain here.
Are contactless payments safe?

A contactless bank card is a super-convenient thing. However, its ease of use would make you wonder whether stealing your money is equally easy.