Most likely only a small portion of your data should be critical to hide from the outside. Let's say text/code documents, some pictures, and perhaps some video or audio clips. If you are using a cloud storage you have to assume your data will be read by the NSA, FBI, Hacker or other governments at some point. So, your goal is to camouflage it so well that their bots, and their analyst discard them as unimportant. Hackers are not a concern, but powerful entities that have the means to analyze your data exhaustively using several powerful tools available to these people. So visually, your data will seem to be a regular fish in a schooling fish for every tool that analyzes it.
You will need to mix this data among several chunk of similar files. The smaller size the better. That would mean that your data has been encrypted and then you split it as many iterations and combinations as possible only known to you. You then code your own simple algorithms that will mix this data across several known files(images, videos, dlls, drivers, and so on). That way, a bot will pass it over since all that is reading rises no red flag. An analyst will discard it because the image has no relative meaning to him, and running software that analyzes for known algorithms gives no positive results at all. A hacker will no go as further as a bot or analyst. That way your data can be stored on any cloud service. That however is a complex process that you will have to religiously follow to back it up, and restore it. At least your data will be safe for some decades, as technology improves so will the bots that analyze your data, and at some point they may break it. Hopefully, by that time you will passed away. Unless you are a person of interest for a powerful entity in charge of analyzing this data for hidden information, your data will be most likely safe. As long the hardware you are using has not been compromised, your data will be safe.
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Most likely only a small portion of your data should be critical to hide from the outside. Let's say text/code documents, some pictures, and perhaps some video or audio clips. If you are using a cloud storage you have to assume your data will be read by the NSA, FBI, Hacker or other governments at some point. So, your goal is to camouflage it so well that their bots, and their analyst discard them as unimportant. Hackers are not a concern, but powerful entities that have the means to analyze your data exhaustively using several powerful tools available to these people. So visually, your data will seem to be a regular fish in a schooling fish for every tool that analyzes it. You will need to mix this data among several chunk of similar files. The smaller size the better. That would mean that your data has been encrypted and then you split it as many iterations and combinations as possible only known to you. You then code your own simple algorithms that will mix this data across several known files(images, videos, dlls, drivers, and so on). That way, a bot will pass it over since all that is reading rises no red flag. An analyst will discard it because the image has no relative meaning to him, and running software that analyzes for known algorithms gives no positive results at all. A hacker will no go as further as a bot or analyst. That way your data can be stored on any cloud service. That however is a complex process that you will have to religiously follow to back it up, and restore it. At least your data will be safe for some decades, as technology improves so will the bots that analyze your data, and at some point they may break it. Hopefully, by that time you will passed away. Unless you are a person of interest for a powerful entity in charge of analyzing this data for hidden information, your data will be most likely safe. As long the hardware you are using has not been compromised, your data will be safe.