Police officials did not think that level of security was high enough.

They also have the potential to offer higher levels of security.

There is a very high level of security at the physical building.

He passed through the levels of security at Central without trouble.

So, we can't do that unless people feel a higher level of security.

End systems may know things like which files are involved, and what their security levels might be.

Also at issue is the level of security given to the access cards themselves.

At this level of security you didn't even call them people anymore.

But they will demand high levels of security, he said, for more private material.

The event is famous for its high level of security.