This week Twitter reported that it was storing user credentials in clear text in log files. Twitter users would be wise to log in to twitter.com and change your password. Now. Make it a long one, and make it unique.
For more information, see the Wired article at https://www.wired.com/story/change-your-twitter-password-right-now/.
Tired of keeping up with passwords? We all are. If you're not using a trusted password manager by now, you're behind the times. There is no excuse. Make it an immediate goal to stop using insecure passwords and to stop writing them down.
There are plenty of good password managers available, and many of them are free. LastPass is an example. See Wired magazine's recent article at https://www.wired.com/story/password-manager-autofill-ad-tech-privacy/.