WhatsApp is now end-to-end encrypted at all times. This will ensure that a user's messages, videos, photos sent over WhatsApp, can't be read by anyone else; not WhatsApp, not cyber-criminals, not law-enforcement agencies. Even calls and group chats will be encrypted.
WhatsApp denies existence of ‘backdoor’ for government snooping
Snapsaved to Blame for Release of Snapchats — Hackers have followed through on plans to release thousands of pictures and videos from the messaging service, Snapchat. Security officials from Snapchat report the hackers were able to gain the user information through an outdated and discontinued service called Snapsaved.com.