Newly, your concerns are in good company. I've read some smart minds that suggest cyber terrorism is a huge threat , even possibly moreso than physical violence. Such that they can interrupt power grids, water supplies et al...
The white man seeks to conquer nature, to bend it to his will and to use it wastefully until it is all gone and then he simply moves on, leaving the waste behind him and looking for new places to take. Chiksika (Kispokotha Shawnee),March 19,1779