Hackers
You will never make the internet safe from Hackers.Hackers built the internet. There is no way to keep them out.
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Oh, you mean Crackers. That would be people who crack open other peoples computers for various criminal activities.
If you want to keep cracker out, the first step is to not run anything from a company called Microsoft. There also problems with computers produced by companies calle Apple and Cisco. Cisco is working to fix their problems. The other two are doing things, but mostly to make customers think they are or will be safe.
The large professionals of course, use other systems. It can't make them totally safe, but if used properly, it can make it much harder. then the hope is that the criminal element will crack someone elses computers.
The names to remember if you want to take those few steps back and then move forward things you will want to use are "Unix, BSD, Linux" you will also want to understand things like "Screening, Honeypot, and SE" less secure are things like "Sandbox, Scanner and Virtual Machine".
This will be a technical issue for you to solve. The basic transfer protocol to use will be something called IP V6. It is a larger variant of the TCP/IP protocol that the internet currently uses. As the internet workes by passing small 'packets' of information between computers, you cannot change that basic behavior and still communicate with a large number of other computers. There will still be risks. Anything that can be made, can be broken. We can't keep it from happening. But, we can make it harder to break.
But, like at home, you cannot keep burglars, out, but you can have a lock with more than one tumbler, where all the houses use the same key. Why have the least secure house on the block?
