l&T-related issues should be considered as part of the design factors for a governance system in order to manage:

According to the official COBIT 2019 Design Guide, the design factor "I&T-related issues" is explicitly defined as risks that have already materialized. These are known problems, often identified through audits or reviews, that the enterprise is currently facing. The governance system must be designed to address and manage these existing issues. This design factor ensures that the governance framework is not just forward-looking but also capable of handling current, known deficiencies and events that have occurred.

A. risks that have a high probability. This is incorrect. The "I&T-related issues" design factor concerns materialized risks, not potential risks defined by their probability. Risk probability is considered under the "Risk Profile" design factor.
B. risks that could materialize. This is incorrect. This describes the general nature of any risk. The "I&T-related issues" design factor is more specific, referring to risks that have materialized, not those that could.
C. risks that have a high impact. This is incorrect. While high-impact issues are important, this design factor is not limited by impact level. It addresses any materialized risk. Assessing potential risk impact falls under the "Risk Profile" design factor.

1. ISACA, COBIT® 2019 Design Guide: Designing an Information and Governance Solution, USA, 2018, p. 25.

Section 3.5, Design Factor 5: I&T-related Issues: "An I&T-related issue is a risk that has materialized. It is typically discovered by an internal or external audit report, or by a management or regulatory review. The issue is considered a design factor because the governance system should be able to deal with such issues."

2. ISACA, COBIT® 2019 Design Guide: Designing an Information and Governance Solution, USA, 2018, p. 26.

Section 3.6, Design Factor 6: Risk Profile: This section clarifies that the assessment of potential risks, including their impact and likelihood (which would cover options A and C), is handled by a different design factor, the "Risk Profile." This distinguishes it from "I&T-related issues."