Kashmir Hill of Forbes compiled a nice list of tools to scrape metadata from documents, photos that could betray sources identities 0r locations. Other ways to keep your reporting data from falling into the right hands: Don’t be a digital packrat. That resists our nature, doesn’t it? And, of course, encrypt data and communications.  I need to start trying Jitsi (https://jitsi.org) as an alternative to Skype.