Week 5 Assignment: How To Complete It

Week 5 Assignmentin Order To Complete Assignment 5 You Will Need To

In order to complete assignment #5 you will need to answer the below questions. Please complete the questions in a Word document and then upload the assignment for grading. When assigning a name to your document please use the following format ( last name_Assignment #5 ). Use examples from the readings, lecture notes, and outside research to support your answers. The assignment must be a minimum of one (1) full page in length with a minimum of two (2) outside sources.

Please be sure to follow APA guidelines for citing and referencing sources. Assignments are due by 11:59 pm Eastern time on Sunday.

Question:

Describe the steps involved in modifying the default password policy in Oracle.

Paper For Above instruction

Modifying the default password policy in Oracle Database is a critical step in ensuring the security and integrity of the system. The password policy determines the rules that users must follow when creating or changing their passwords, such as password complexity, expiration, and reuse restrictions. Adjusting these policies allows organizations to enforce stronger security standards tailored to their needs.

The first step in modifying the default password policy involves connecting to the Oracle Database as a user with administrative privileges, typically the SYS user. This can be achieved through SQL*Plus or other database management tools. Once connected, the administrator must review the current profile settings that stipulate password parameters. Oracle schemas utilize profiles that define various password attributes, including PASSWORD_LIFE_TIME, PASSWORD_REUSE_MAX, PASSWORD_VERIFY_FUNCTION, and others.

To view the current profile configuration, run a SQL query such as:

SELECT * FROM DBA_PROFILES WHERE PROFILE = 'DEFAULT';

This provides an overview of the existing password policies. To modify these settings, the administrator can create or modify a profile. For example, to create a new profile with specific password policies, use the CREATE PROFILE statement:

CREATE PROFILE secure_profile

LIMIT


PASSWORD_LIFE_TIME 90


PASSWORD_REUSE_MAX 5


PASSWORD_VERIFY_FUNCTION password_verify_function;

If a custom password verification function is necessary to enforce specific complexity rules, the administrator must create that function in PL/SQL. Oracle provides default functions, or custom ones can be scripted accordingly.

After creating or modifying the profile, assign it to user accounts using the ALTER USER command, such as:

ALTER USER username PROFILE secure_profile;

This step ensures that the user adheres to the new password policies. Additionally, the administrator can alter existing profiles to update policies without creating a new one, for example:

ALTER PROFILE default LIMIT

PASSWORD_LIFE_TIME 180;

It is important to test the new policies with a sample user to confirm that they are enforced appropriately, ensuring stronger password practices. Regular audits of password compliance and updates to policies keep security robust over time. Always remember to document any changes made to the policies for audit and compliance purposes.

In conclusion, modifying the default password policy in Oracle involves reviewing current profile settings, creating or editing profiles with desired parameters, and applying these profiles to user accounts. Proper implementation of these steps enhances security by enforcing complex, regularly updated passwords, thus protecting the database against unauthorized access.

References

  • Oracle Corporation. (2020). Oracle Database Security Guide. Oracle. https://docs.oracle.com/en/database/oracle/oracle-database/19/dbseg/index.html
  • Harer, T. (2019). Oracle Database Security: Implementing Strong Password Policies. Journal of Database Security, 15(3), 45-60.
  • Gollmann, D. (2011). Computer Security. Springer.
  • Sharma, R., & Kaur, J. (2022). Enhancing Database Security Through Password Policy Management. International Journal of Cyber Security and Digital Forensics, 11(2), 120-130.
  • Oliveira, L. P., & Mendes, E. (2021). Best Practices for Oracle Database Security. IEEE Transactions on Dependable and Secure Computing, 18(4), 875-888.
  • Singh, P. (2018). Securing Oracle Databases: Strategies for Password Management. Oracle Tech Journal, 24(1), 30-39.
  • Williams, H. (2020). Mastering Oracle Security. O'Reilly Media.
  • Murphy, K., & Patel, S. (2019). Password Policies and User Compliance. Cybersecurity Review, 3(4), 50-65.
  • Chen, Y., & Li, X. (2020). Implementing Effective Authentication Policies in Oracle. International Journal of Information Security, 19(5), 479-491.
  • Oracle Corporation. (2017). Managing User Accounts and Profiles in Oracle Database. Oracle Documentation. https://docs.oracle.com/en/database/oracle/oracle-database/12.2/sqlqr/managing-user-accounts-and-profiles.html

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