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You might worry, how much details you need to understand about the crypto tools you're using. It depends on your intentions. For example, if you don't like the idea of being watched completely and easily, then every little use of cryptography will help a bit. However, if you want to be completely protected, you'll have to learn a lot of details.

So first of all you have to think about yourself: Why do I want to use crypto?

• I just don't want to be spied by the NSA and all the others, just wanna feel more private when being online: Go on here
• I wanna be complety protected and I wanna learn everything! Go on here
• Also if you are e.g. a journalist, a lawyer or you have something else important to do in mind: You might need to protect yourself as well as your clients/sources/colleagues? You might wanna start with the brief introduction to get started, but for your purpose it is important that you really understand what the crypto you are using is all about. Also have a look at the handbook, and please do not hesitate to contact us!

Both ways are easy and with some motivation do-able, but the brief one will not take that much time for starting to use crypto, and having a less more protected enviroment online.

There is one important thing for both of you: Never trust the technology. Never think that you are totally safe. Think twice everytime you are doing something special online!

Also keep in mind: If you secure your windows or android with some software, it is still windows and android.