What is the reporting requirement after a data breach as defined by PCI DSS?

The reporting requirement after a data breach as defined by PCI DSS emphasizes the need to notify appropriate parties in a timely manner. This means that once a breach is identified, it is essential to inform entities such as affected customers, financial institutions, card brands, and potentially law enforcement without undue delay. Timely notification helps mitigate risks, enables affected parties to take protective measures, and ensures compliance with legal and regulatory obligations.

This proactive approach is essential for maintaining trust and transparency in the handling of sensitive payment card information. Additionally, timely notification is critical for coordinating a response to the breach and minimizing the overall impact of the incident.

In contrast to other options, creating an internal report alone does not address the necessary transparency and communication required after a breach. Making a public announcement immediately may not be appropriate or necessary, depending on the nature of the breach and the advice from legal counsel. Waiting for an investigation to complete could delay necessary notifications, potentially exacerbating the situation and violating compliance requirements. Thus, the emphasis on prompt communication as outlined in option two is crucial for effective breach management under PCI DSS guidelines.