Thursday, July 12, 2018

How to increase security of confidential digital files

If you've ever had sensitive documents, files, or photos and you want to store them securely in a digital environment. The only way to do that store them in an environment (computer) that:


  • Has never been connected to the internet 
  • Doesn't have any Wifi, Ethernet, Bluetooth chips
  • Has its location undisclosed
  • No one is aware of its existence 
  • Is not connected to systems that have been connected to the internet
This is known as an air-gapped computer. If you ever decide to make your air-gapped computer, you should never discuss its existence with anyone, especially on the web. You should know that your air-gapped computer could be vulnerable to attacks so the first step is to not disclose its existence with anyone.

All the attacks I've been stumbled upon know where the location of the victim machine is, so you really need be careful with the secrecy.

Do not use any operating system other than Linux. Do not use Windows. I do recommend Centos 6 or 7 (Linux).

Do not buy commercial laptops to accomplish this task, instead build your own desktop PC, buy your own parts.

Air-gapped computers have been targeted by attacks in the past, so they are still not fully secure. You might want to strongly encrypt any files you add on those computers.

I've come to accept and understand that nothing I do online will be secure or private, it took me years to accept the concept, but I have adapted now.  Every email, photo, message, text you send and receive online no matter what companies brag about. Similarly, your online 'bank account' could be intercepted as well. Even things you do offline are not fully secure.

That doesn't mean that you shouldn't use the internet, but it means you should not never send or store anything you deem confidential on the web.
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