Stop Copy Pest From Your Application in Oracle Apex

1. Event > Page load.

2. Action > Execute JavaScript code.

$(document).ready(function () {
    //Disable cut copy paste
    $('body').bind('prevent cut copy paste', function (e) {
        e.preventDefault();
    });
   
    //Disable mouse right click
    $("body").on("contextmenu",function(e){
        return false;
    });
});

document.body.addEventListener('keydown', event => {
  if (event.ctrlKey && 'cvxspwuaz'.indexOf(event.key) !== -1) {
    event.preventDefault()
  }
})