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Network Segmentation Reduced Unnecessary Access to Individual Master File Resources; However, Governance and Development Processes Were Not Always Followed

Report Information

Date Issued
Report Number
2022-20-010
Report Type
Audit
Joint Report
Yes
Participating OIG
Treasury Inspector General for Tax Administration
Agency Wide
Yes (agency-wide)
Questioned Costs
$0
Funds for Better Use
$0
View Report

Recommendations

The Chief Information Officer should ensure that Enterprise Life Cycle (ELC) framework artifacts are completed and Milestone Exit Reviews are conducted by network segmentation projects prior to deployment to production.

The Chief Information Officer should ensure that project teams obtain governance board approvals prior to deploying development project solutions to production.
rejected recommendation

The Chief Information officer should ensure that the Simplified Design Specification Report for network segmentation is updated to describe the complexity of the design and the limits of the Identity Services Engine and TrustSec products
rejected recommendation

The Chief Information Officer should ensure that a System Test Plan is developed and executed for network segmentation to include test cases for key requirements, test results, and test case resolution for failed tests