Think about how much of what’s around you is vulnerable to hackers. It’s a lot more than most people think. Pretty much everything that modern society depends on is run by, or with the help of, computers; most of those computers are connected to the internet. Power, gas and water can be seriously disrupted by a skilled hacker. Hospitals could lose patient records and see a lot of their sophisticated equipment disabled. Traffic lights might be shut down or reprogrammed to cause accidents. Air traffic control is vulnerable. As for most communications – including phones; a lot run on VOIP now – forget it.
The next thing that you should be aware of is how to use the food that you have prepped and stored. Get familiar with stored-food preparation and the best way to do this is to use it. Get a couple of food-storage cookbooks, or create your own with a little online research. This way you and your family can become familiar with how to use and eat these types of foods.
It isn't hysteria, and GMO isn't 'evolution'. One of the biggest issues for preppers and survival is that GMO seeds will not reproduce in the same way if the seeds are saved and re-used. In fact, in many instances (maybe all?), it's illegal to save the seeds and re-use them! It's far better to track down heirloom seeds that are native to your area and/or compatible with your climate. A good place to start looking is ×