Information Security

The Internal Revenue Service (IRS) relies extensively on computerized systems to support its financial and mission-related operations and on information security controls to protect financial and sensitive taxpayer information that resides on those systems. As part of an audit of IRS's FY 2010 and 2009 financial statements, the auditor assessed whether controls over key financial and tax processing systems are effective in ensuring the confidentiality, integrity, and availability of financial and sensitive taxpayer information. To do this, the auditor examined IRS information security policies, plans, and procedures; tested controls over key financial applications; and interviewed key agency officials at four sites. This is a print on demand report.