Overview
- The eighth public security test runs December 1–5 at TSE headquarters in Brasília in a camera‑monitored, access‑controlled environment.
- Thirty-one investigators are executing 38 plans approved by the regulatory commission to probe electronic urns and supporting election software.
- The exercise aims to verify security, transparency and reliability, including attempts to breach the urn system to reveal vulnerabilities.
- A record 149 proposals were submitted for this edition, with 38 selected for execution by academics, Federal Police experts and other specialists.
- The TSE scheduled a partial report for December 18, a confirmation round in May 2026 to validate fixes if needed, and a final report in June 2026.