Unified threat management (UTM) is like having a superhero team that protects your computer from bad guys.
You know how your mom or dad tells you to wash your hands so you don't get sick? Well, your computer needs to stay clean too, so it doesn't get sick with viruses or hackers.
UTM is like a group of superheroes that watch your computer and stop the bad guys from getting in. They have different powers, like a firewall to block bad websites, anti-virus to find and destroy viruses, and even things to stop people from breaking in and stealing your stuff.
It's like having an army of superheroes watching over your computer and making sure it stays safe from all the bad things that are out there. That way, your computer stays healthy and can keep working for you.