How to Legally Report a Corporate Cyber Security Breach

When a corporation suffers a major computer hacking incident, navigating the legal requirements for reporting the breach is critical to avoid massive regulatory penalties, legal liability, and reputational damage. This article outlines the essential, step-by-step process a corporation must follow to legally report a cyberattack to the appropriate regulatory bodies, including identifying applicable jurisdictions, adhering to strict filing timelines, and notifying affected parties.

1. Identify Applicable Regulatory Jurisdictions

The first step in legally reporting a cyberattack is determining which regulatory bodies have authority over your organization and the breached data. This depends heavily on your industry, geographic location, and the residency of the individuals whose data was compromised.

• Publicly Traded Companies (SEC): In the United States, public companies must report material cybersecurity incidents to the Securities and Exchange Commission (SEC).
• Healthcare (HHS): If protected health information (PHI) is compromised, the incident must be reported to the Department of Health and Human Services (HHS) under HIPAA regulations.
• Financial Institutions (FTC, NYDFS): Financial entities must report breaches to the Federal Trade Commission (FTC) and state-specific regulators like the New York Department of Financial Services (NYDFS).
• International Regulators (GDPR): If the breach involves the personal data of European Union citizens, the corporation must report to the relevant EU Supervisory Authority under the General Data Protection Regulation (GDPR).

2. Determine and Adhere to Reporting Timelines

Regulatory bodies enforce strict, often unforgiving timelines for reporting cyber incidents. Missing these deadlines can result in severe financial penalties.

• SEC Rule: Public companies must file a Form 8-K within four business days of determining that a cybersecurity incident is “material.”
• GDPR: Corporations must notify the appropriate supervisory authority within 72 hours of becoming aware of the breach, unless the breach is unlikely to result in a risk to individuals.
• NYDFS: Covered financial institutions must report a cybersecurity event within 72 hours of determination.
• U.S. State Laws: All 50 states have individual breach notification laws, with reporting timelines ranging from “as expediently as possible” to a strict 30-day window.

3. Notify Federal Law Enforcement and Infrastructure Agencies

For major incidents, particularly those involving critical infrastructure or national security, corporations must coordinate with federal law enforcement.

• CISA: The Cybersecurity and Infrastructure Security Agency (CISA) requires critical infrastructure providers to report substantial cyber incidents within 72 hours (and ransomware payments within 24 hours) under the Cyber Incident Reporting for Critical Infrastructure Act (CIRCIA).
• FBI or Secret Service: Reporting the incident to local FBI field offices or the U.S. Secret Service not only helps track the perpetrators but can also sometimes buy the corporation a temporary regulatory delay in public reporting if law enforcement determines that public disclosure would compromise an active investigation.

4. Prepare and Submit the Required Information

When submitting a legal report to a regulatory body, the documentation must be precise, factual, and vetted by legal counsel. Most regulators require the following details:

• The nature and scope of the cyberattack (e.g., ransomware, phishing, data exfiltration).
• The types of sensitive information that were accessed or acquired.
• The estimated number of affected individuals.
• The measures currently being taken to mitigate the effects of the breach and secure the systems.
• Contact information for the corporation’s data protection officer or legal representation.

5. Notify Affected Individuals

In tandem with reporting to government regulators, corporations are legally obligated to notify the individuals whose personal data was compromised. These notifications must be sent via written or electronic mail and must explain what happened, what data was exposed, what the company is doing to remedy the situation, and how affected individuals can protect themselves (such as utilizing free credit monitoring services provided by the corporation).