Blur effect and black marker are the most commonly used tools to hide sensitive information in screenshots. Unfortunately it is not a common knowledge, that both of these techniques can be reversed with relatively easy steps. No complicated Artificial Intelligence or expensive software are required. For example, in this article Jim Fisher describes how to recover blurred information with few lines of trivial pseudo code. Similarly, you can find techniques of how to undo “blacked out” text in this stackexchange discussion. Continue reading...