If you want to avoid this happening again, this guide here as a lot of alternatives and suggestions.
Some are fairly easy (switch to Firefox) while others might be slightly harder (like maybe convincing your friends to stop with discord and use something else instead) but if you'd like to have more privacy, it's all well worth it :)
For me it was a convergence of things all at the right moment: Edward Snowden just happened, I just bought a new phone (to experiment with) and I saw a comment on Reddit detailing some privacy tips/tricks which made it seem very easy to get on board