I looked like Swiss cheese.

As we looked at it, it was like Swiss cheese.

Swiss Cheese is a rip-off! It's the only cheese I can bite into and miss!

You've built this great firewall in front of your enterprise, but the back of your enterprise is like Swiss cheese.

You've built this great firewall in front of your enterprise, but the back of your enterprise is like Swiss cheese,

We'll have to wait and see what we get. If it looks like Swiss cheese, we won't be happy.