Sidecar Photo: Best Online Backup For Photographers. “The recent ransomware incident finally lit a fire under my butt to figure out a cloud backup solution for my photos. I mean, if I’d gotten hit with WannaCry, I could have seriously lost years and years of photographs. Are you crazy, Shimona? You might be asking… Why don’t you have a backup?! Well I do. But it’s on an external drive that’s plugged into my computer. And that’s not good enough with the threat of ransomware. So I set to work trying to figure out the best online backup for photographers is in 2017.” A nice combination of “this is how I’m thinking about this problem” and some how-to stuff.