Leaking information anonymously is the act of providing confidential information to a third party without revealing one's identity. The term 'LEAK' is often used in this context, and it is a four-letter word that can be used to summarize the crossword solution for the term 'tell anonymously.' Leaking information can be done for a variety of reasons, such as to expose corruption or to alert the public to a potential danger. It is important to note that leaking information anonymously is not always legal, and it can have serious consequences if done improperly.