If you’ve ever heard the term “hacker,” you might think of someone breaking into systems, stealing data, or wreaking havoc online. But what if we told you there’s a type of hacker that companies actually hire to break into their systems - legally and with full permission? Enter the white hat hacker.

If you've ever heard the term "packet sniffer" and pictured some kind of digital detective snooping through internet traffic, you're actually not that far off. A packet sniffer is a tool - usually software, sometimes hardware - that watches data as it travels across a network.