What is Cronus Zen in Modern Warfare 2 -- Explained

Some Modern Warfare 2 players use a Cronus Zen to gain an advantage over their opponents. But what is the Zen and is it safe to use?
Is the Cronus Zen okay to use or should you avoid it?

SHIPS TODAY Cronus Zen Brand New Premier Console Controller Adapter

What is Cronus Zen in Modern Warfare 2 -- Explained

What Is a Cronus in Warzone & MW2? Cheating Device Explained

Bad news, Warzone 2 players: the Cronus still works, and it's ready to make your life hell

Call of Duty's anti-cheat update will close down the game if it detects aim assist on mouse and keyboard

Aim Assist isn't the issue :: Call of Duty® General Discussions

People accuse me of using Cronus. Here's how to control recoil. : r/ modernwarfare

Call of Duty Modern Warfare 2 Cronus Zen Anti Recoil + Aim assist on The Playstation Beta!!

SHIPS TODAY Cronus Zen Brand New Premier Console Controller Adapter

You can't play Call of Duty: Modern Warfare yet. Can someone please tell me what to do? : r/CODWarzone

What Is a Cronus in Warzone & MW2? Cheating Device Explained