May 25, 2019: Facebook Accidentally Exposes Internal CDN Files

Reference: https://ysamm.com/?p=272

April 18, 2019: Facebook Uploads 1.5 Million User Email Contacts Without Consent

Reference: https://www.businessinsider.in/Facebook-says-it-unintentionally-uploaded-1-5-million-peoples-email-contacts-without-their-consent/articleshow/68930320.cms/

April 18, 2019: Facebook Stored Millions of Instagram User Passwords in Plaintext

Reference: https://newsroom.fb.com/news/2019/03/keeping-passwords-secure/

March 21, 2019: Facebook Improperly Stores Millions of User Passwords Unencrypted

Reference: https://newsroom.fb.com/news/2019/03/keeping-passwords-secure/

December 14, 2018: Facebook API Error Exposes 6.8 Million Users’ Photos

Reference: https://developers.facebook.com/blog/post/2018/12/14/notifying-our-developer-ecosystem-about-a-photo-api-bug/

November 16, 2018: Instagram Data Download Tool Accidentally Exposes User Passwords

Reference: https://www.theinformation.com/articles/new-instagram-bug-raises-security-questions

September 25, 2018: Facebook “View As” Feature Suffers Security Flaw

Reference: https://newsroom.fb.com/news/2018/09/security-update/

May 3, 2018: Twitter Accidentally Logs User Passwords as Plaintext

Reference: https://blog.twitter.com/official/en_us/topics/company/2018/keeping-your-account-secure.html

August 30, 2017: Instagram Alerts Verified Users of a Security Breach

Reference: https://www.thedailybeast.com/hackers-make-searchable-database-to-dox-instagram-celebs https://sea.pcmag.com/news/17263/instagram-notifies-verified-users-of-security-breach