But they did go to a much more secure system.

It was not, however, designed to be a secure system.

"We have taps into every major secure system on Earth."

It wasn't designed to be a secure system, just a fast one.

The discussion led to the development of a better, more secure system.

Programmers always leave themselves a back door when they are building secure systems.

He knew that breaking into secure systems could be dangerous.

"If you're serious about creating a secure system, you need two people to do it," he said.

"We don't have to make the system a hundred percent secure," he said.

The following terms used in engineering secure systems are explained below.