Hack Attack

Wi-Fi is everywhere, but not all Wi-Fi networks are created equal. Business Insider spoke to world-famous hacker Kevin Mitnick, author of "The Art of Invisibility," who explained why you should never use public Wi-Fi to browse the web.

Our internet activity can be surprisingly easy to track. Kevin Mitnick, cybersecurity expert and author of "The Art of Invisibility" explains how 'onion routing' can help you make your online activity much less traceable than standard web traffic, as well as the differences between HTTP and HTTPS protocols and what they mean for you.

Modern society relies heavily on the internet for everything from financial transactions all the way to carrying out water treatment - so what would happen if the internet suddenly went down? Business Insider spoke to former NSA hacker David Kennedy to find out the risks, and how governments prepare themselves for them.

Cybersecurity expert Kevin Mitnick spoke to Business Insider about messaging apps, and which ones offer the best security and encryption to their users. Watch to hear more about what to look for in a messaging app, from end-to-end encryption to Perfect Forward Secrecy.

Bitcoin and other cryptocurrencies are often hailed for their security and difficulty to trace - but it's not always the case. Kevin Mitnick, one of the world's most famous hackers, spoke to Business Insider about retaining your anonymity online when using crypto.

2-factor login authentication seems like a foolproof system, with websites texting you a login code or requiring you to use a third party app to access an account. But it's not always as secure as you might think, as hacker Kevin Mitnick explained to Business Insider.

Former NSA hacker and cybersecurity expert David Kennedy told Business Insider his top 5 tips for staying safe online, from not using the same password for multiple accounts, to watching what you post online.