The 4-Day Breach Disclosure Rule: A 96‑Hour Incident Response Playbook
Understanding the SEC’s 4-Day Breach Disclosure Rule In July 2023, the U.S. Securities and Exchange Commission (SEC) adopted new cybersecurity disclosure rules that put public companies on a strict timeline. When a company determines that a cyber incident is “material,” it must disclose the incident via a Form 8-K within four business days of that … Read more