Over the past few months I've periodically been hounded to try either Kik or Discord as a secondary means of communication between my online friends. However no offense to them intended, but I just don't trust anyone enough to use anything I thought was similar to Skype or social media. After finally researching them though I actually can't find anything wrong with. Apparently Discord is DDOS proof & Kik doesn't expose any personally identifiable information either, claiming to be a very secure messaging app. Although I know malicious attachments embedded within pics, videos or links could possibly be sent with either, here are my questions about that & more.
1: Is Discord or Kik really DDOS proof & how exactly do they go about hiding your IP when Skype still doesn't?
2: Is there a setting within Discord or Kik to automatically block images, videos, links or any other specified attachment yet still use the text & voice chat?
3: Are there any other security & privacy vulnerabilities with either app that I should be aware of before using?