Question: Auditing Operating Systems 1. Explain why OS affects the reliability and integrity of the financial information if not properly controlled.* 2. Among the four security

Auditing Operating Systems

1. Explain why OS affects the reliability and integrity of the financial information if not properly controlled.*

2. Among the four security components that are found in secure OS, which is least secured and which is most secured?*

3. Among the four Control Techniques for Preserving OS Integrity, which one has least effect on the integrity of financial information and which one has the most impact on the integrity of the financial information? Explain.*

4. What is a "robust" password? Why is password control important?*

5. Refer to Attachment (Audit Log) - Give (2) specific examples based from the security audit log that demonstrated proper internal controls. Note: USER-001 is a Vendor database administrator in charge of only maintaining the vendor master data.*

Auditing Operating Systems 1. Explain why OS
userid yyyymmdd tcode text ted ttext USER-001 20210218 SESS Logon Failed logn USER-001 20210218 SESS Logon Failed logn USER-001 20210218 SESS Logon Failed logn User Locked out of the system USER-001 20210218 SESS Password changed for user USER-005 in client 400 pwdc USER-001 20210218 Logon Successful (Type=A) logn USER-001 20210218 FK10 Transaction FK10N Started FK10 View Vendor Account Balance USER-001 20210218 FK01 Transaction FK01 Started FK01 Create Vendor USER-001 20210218 FBLI Transaction FBLIN Started FBL1 Display Vendor Line Items USER-001 20210218 FK04 Transaction FK04 Started FK04 Vendor Changes / Update USER-001 20210218 ME21 Transaction ME21N Started ME21 Create Purchase Order USER-001 20210218 F-02 Transaction F-02 Started F-02 Enter G/L Account Posting USER-001 20210218 Start Transaction F-02 Failed USER-001 20210218 Start Transaction F-02 Failed USER-001 20210218 Start Transaction F-02 Failed USER-001 20210218 FBL1 Transaction FBLIN Started FBLI Display Vendor Line Items USER-001 20210218 FBLI Transaction FBLIN Started FBL1 Display Vendor Line Items USER-001 20210218 FK04 Transaction FK04 Started FK04 Vendor Changes / Update USER-001 20210218 FK04 Transaction FK04 Started FK04 Vendor Changes / Update USER-001 20210218 User Logoff loff

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