Mar 29 08:17:01 server-name CRON[31758]: pam_unix(cron:session): session opened for user root by (uid=0)
Mar 29 08:17:01 server-name CRON[31758]: pam_unix(cron:session): session closed for user root

Mar 29 08:12:09 server-name accounts-from-metadata: INFO Google SSH key schema identifier found.
Mar 29 08:12:09 server-name accounts-from-metadata: INFO Google SSH key schema identifier found.
Mar 29 08:13:09 server-name accounts-from-metadata: INFO Google SSH key schema identifier found.
Mar 29 08:13:09 server-name accounts-from-metadata: INFO Google SSH key schema identifier found.
Mar 29 08:14:09 server-name accounts-from-metadata: INFO Google SSH key schema identifier found.
Mar 29 08:14:09 server-name accounts-from-metadata: INFO Google SSH key schema identifier found.
Mar 29 08:15:09 server-name accounts-from-metadata: INFO Google SSH key schema identifier found.
Mar 29 08:15:09 server-name accounts-from-metadata: INFO Google SSH key schema identifier found.
Mar 29 08:16:09 server-name accounts-from-metadata: INFO Google SSH key schema identifier found.
Mar 29 08:16:09 server-name accounts-from-metadata: INFO Google SSH key schema identifier found.

Mar 28 12:28:06 server-name sshd[17536]: Invalid user test2 from 190.175.111.13
Mar 28 12:28:06 server-name sshd[17536]: input_userauth_request: invalid user test2 [preauth]
Mar 28 12:28:07 server-name sshd[17536]: Disconnecting: Too many authentication failures for test2 [preauth]
Mar 28 12:28:15 server-name sshd[17542]: reverse mapping checking getaddrinfo for 190-175-111-13.speedy.com.ar [190.175.111.13] failed - POSSIBLE BREAK-IN ATTEMPT!
Mar 28 12:28:15 server-name sshd[17542]: Invalid user admin from 190.175.111.13
Mar 28 12:28:15 server-name sshd[17542]: input_userauth_request: invalid user admin [preauth]
Mar 28 12:28:17 server-name sshd[17542]: Disconnecting: Too many authentication failures for admin [preauth]
Mar 28 12:28:30 server-name sshd[17591]: reverse mapping checking getaddrinfo for 190-175-111-13.speedy.com.ar [190.175.111.13] failed - POSSIBLE BREAK-IN ATTEMPT!
Mar 28 12:28:32 server-name sshd[17591]: Disconnecting: Too many authentication failures for root [preauth]