Oracle Database Unauthorized Access

Buğra PARLAYAN June 26, 2023 ORACLE

In today’s article, we will be learning how to list Users Gaining Unauthorized Access to Oracle Database.

We can list users who have entered an incorrect password on Oracle Database or want to log in to a locked account with the help of the code block below.

SELECT username AS "DB USER",
          os_username AS "OS USER",
          userhost AS "HOSTNAME",
          TO_CHAR (timestamp, 'DD/MM/YY HH24:MI:SS')"TIMESTAMP",
          DECODE (
              returncode,
              01017, 'WRONG USER OR PASSWORD',
              28000, 'LOCKED ACCOUNT TRIAL')
              AS return code
     FROM SYS.DBA_AUDIT_SESSION
    WHERE returncode != 0 AND returncode IN (1017, 28000)
ORDER BY extended_timestamp DESC

SELECT username AS "DB USER",

os_username AS "OS USER",

userhost AS "HOSTNAME",

TO_CHAR (timestamp, 'DD/MM/YY HH24:MI:SS')"TIMESTAMP",

DECODE (

returncode,

01017, 'WRONG USER OR PASSWORD',

28000, 'LOCKED ACCOUNT TRIAL')

AS return code

FROM SYS.DBA_AUDIT_SESSION

WHERE returncode != 0 AND returncode IN (1017, 28000)

ORDER BY extended_timestamp DESC

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Oracle Database Unauthorized Access

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