UK government is trying to get into iCloud end-to-end encryption. (Again?)
Makes me think about email servers too. Most of my private information is in emails, and not only I use a service where the host machines access the email, so do almost everyone I email to/from.
“Jones, take a look at these cat photos.”
“Oh, they’re lovely, sir!”
“No, Jones, look at them. What do they mean?”
“Well, sir, this one is hungry, so it’s asking for food, but in its native American style. This one is looking at the camera funny, probably because it’s been startled by something off camera. This one is looking smug, and the angry people there have been added by the artist, they’re not from the same photo. This one–”
“Sit down, Jones. Look at their meaning. The terrorist attack will be at 2pm on the 23rd at South Kensington station, used as a distraction for the simultaneous heist in the Natural History Museum!”
LLO, but this isn’t the way how steganography works. In a photo any pixel has a hex value, a minimal change to another value of one or some bits can’t be seen by an human and so the change of several pixels to an predefined value can hide an message, beeing invisible by sight, but readable by an corresponding app.