The biggest online shopping day of the year will feature some significant markdowns -- but not just exclusively on Amazon.

With sales taking over the web, millions of people around the world will be logging on and hoping to save on Monday -- which also means that high tech thieves will be working to rip you off.

Amazon Prime Days are here, and as the author of this story, I have to tell you: I did a LOT more online purchasing than I planned on, just while sitting around my house in quarantine last year.