The most important one-pager that every verified Twitter user should read: Keeping Your Account Secure support.twitter.com/articles/76036…
Twitter will never, ever ask you for your password. If you receive a verification request asking for your account information, it's false.
Verification is not currently open to the general public. Learn more about the types of accounts that are eligible: twitter.com/help/verified
Please note: changing your username will result in losing your badge. Questions? File request at support.twitter.com/forms
we'll get to it ASAP!