Bitcoin Dorsey & Co Were Aware of Security Issues With Twitter Users Since 2015 Share Tweet Share Share Email Comments Twitter has been warned about security issues related to employees’ credentials since 2015. Related Items: Share Tweet Share Share Email Click to comment Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Notify me of follow-up comments by email. Notify me of new posts by email. This site uses Akismet to reduce spam. Learn how your comment data is processed.