REPORT DIGEST ILLINOIS FINANCE AUTHORITY FINANCIAL AUDIT FOR THE YEAR ENDED JUNE 30, 2023 Release Date: February 6, 2024 FINDINGS THIS AUDIT: 1 CATEGORY: NEW -- REPEAT -- TOTAL Category 1: 1 -- 0 -- 1 Category 2: 0 -- 0 -- 0 Category 3: 0 -- 0 -- 0 TOTAL: 1 – 0 -- 1 FINDINGS LAST AUDIT: 0 Category 1: Findings that are material weaknesses in internal control and/or a qualification on compliance with State laws and regulations (material noncompliance). Category 2: Findings that are significant deficiencies in internal control and noncompliance with State laws and regulations. Category 3: Findings that have no internal control issues but are in noncompliance with State laws and regulations. State of Illinois, Office of the Auditor General FRANK J. MAUTINO, AUDITOR GENERAL To obtain a copy of the Report contact: Office of the Auditor General, Iles Park Plaza, 740 E. Ash Street, Springfield, IL 62703 (217) 782-6046 or TTY (888) 261-2887 This Report Digest and Full Report are also available on the worldwide web at www.auditor.illinois.gov INTRODUCTION This digest covers the Illinois State Finance Authority’s (Authority) Financial Audit as of and for the year ended June 30, 2023. The Authority’s Compliance Examination covering the two years ended June 30, 2023 will be issued in a separate report at a later date. SYNOPSIS • (23-1) The Authority experienced a network security incident that involved an unauthorized party gaining access to the Authority’s network environment. FINDINGS, CONCLUSIONS, AND RECOMMENDATIONS CYBERSECURITY INCIDENT INVOLVING UNAUTHORIZED ACCESS The Illinois Finance Authority (Authority) experienced a network security incident that involved an unauthorized party gaining access to the Authority’s network environment. On or about November 6, 2023, the Authority experienced a network security incident that involved an unauthorized party gaining access to the Authority’s network environment. Upon detecting the incident, the Authority disabled all access to the network and engaged a specialized third- party forensic incident response firm to assist with securely restoring the network environment and investigating the extent of unauthorized activity. As of the date of the report, the investigation is ongoing. The incident, which involved unauthorized access to the Authority’s environment, resulted in the loss of data. (Finding 1, page 72) We recommended the Authority to continue to investigate the incident to determine the root cause. The Authority accepted the finding. AUDITOR’S OPINIONS The auditors stated the financial statements of the Authority as of and for the year ended June 30, 2023 are fairly stated in all material respects. This financial audit was conducted by RSM US LLP. JANE CLARK Division Director This report is transmitted in accordance with Section 3-14 of the Illinois State Auditing Act. FRANK J. MAUTINO Auditor General FJM:TLK