Cyber and ICT risk events at financial institutions, such as significant cyber attacks or operational disruptions due to technological failures, can have systemic implications. One of the primary ways these risks lead to systemic financial risk is by undermining public confidence in the stability and reliability of the financial system. This erosion of trust can trigger panic among consumers and investors, leading to phenomena like bank runs, where customers withdraw their deposits en masse, or market sell-offs, where investors rapidly sell off their holdings. These reactions can exacerbate the financial instability, spreading the impact from a single institution to the broader financial system, thus creating a systemic risk.

A is incorrect because while cyber and ICT risk events can cause financial losses, they do not primarily result in physical damage to infrastructure. The systemic risk arises more from the operational disruptions and the loss of confidence they engender, rather than physical damages.

C is incorrect because while personal data breaches are a significant concern, they are only one aspect of cyber and ICT risks. The systemic implications extend beyond individual customer data breaches and encompass broader operational and reputational risks that can affect the entire financial system.

D is incorrect because the impact of cyber and ICT risks on a financial institution's stock market value is a possible consequence but is not the primary pathway to systemic financial risk. The systemic risk relates more to operational and confidence-related aspects of the financial system as a whole, rather than the stock market value of a single institution.