The Ultimate Guide to Zero-Day Attacks & Exploits Daily Leave this field empty if you're human: ( Zero-Day Attacks Are Hard to Protect Against Because They Take Advantage of Previously Unknown Vulnerabilities – Learn All About Them and How to Minimize the Risks It’s finally here – the vacation you’ve been planning has arrived and it’s time to hit the road. You lock your doors and head to the airport. But a few days later, while you’re gone, a burglar decides to check out your neighborhood. They come to your house and, to their delight, find that the lock on the back door is broken. You didn’t notice, but the bad guys did. They are thus able to steal your valuables before you have the chance to fix your door. Now, replace your house a piece of software and the broken lock with a vulnerability and you’re looking at how zero-day exploits work in the cybersecurity world.