ssh my-instance @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY! Someone could be eavesdropping on you right now (man-in-the-middle attack)! It is also possible that a host key has just been changed. The fingerprint for the ED25519 key sent by the remote host is SHA256:O2++ST5lAGVoredT1hqlAyTowgNwlnNRJrwE8cbMLo0. Please contact your system administrator. Add correct host key in /Users/H4dr1en/.ssh/known_hosts to get rid of this message. Offending ECDSA key in /Users/H4dr1en/.ssh/known_hosts:81 Host key for 10.105.1.77 has changed and you have requested strict checking. Host key verification failed.