extremely serious and deeply disturbing.

We view these developments as disturbing -- deeply disturbing and we view them with serious concerns.

It was surreal watching that and extremely disturbing.

very serious and deeply troubling.

In short, even though we have markedly improved our capabilities to fight cyber intrusions the problem is growing even faster and we are falling further behind,

Collecting intelligence information is like trying to drink water out of a fire hydrant. You know, in hindsight It's great. The problem is there's a million dots at the time.