Security researchers found that link previews in chat apps could expose data like IP addresses if not implemented properly. Or they could be downloading as much as gigabytes of data in the background. They tested a variety of different messaging apps, and iPhone users will be relieved to know that iMessage didn’t experience any of these security leaks.
We think there’s one big takeaway here for developers: Whenever you’re building a new feature, always keep in mind what sort of privacy and security implications it may have, especially if this feature is going to be used by thousands or even millions of people around the world.
Check It Out: Link Previews in Chat Apps Could Leak Your IP Address