What does materiality mean exactly?

Rick Howard, N2K CyberWire’s Chief Analyst and Senior Fellow, discusses the meaning of cybersecurity materiality. References: Amy Howe, 2024. Supreme Court strikes down Chevron, curtailing power of federal agencies [Blog] Cydney Posner, 2023. SEC Adopts Final Rules on Cybersecurity Disclosure [Explainer]. The Harvard Law School Forum on Corporate Governance. Cynthia Brumfield, 2022. 5 years after NotPetya: Lessons learned Analysis]. CSO Online. Eleanor Dallaway, 2023. Closed for Business: The Organisations That Suffered Fatal Cyber Attacks that Shut Their Doors For Good [News]. Assured. Gary Cohen, 2021. Throwback Attack: Chinese hackers steal plans for the F-35 fighter in a supply chain heist [Explainer]. Industrial Cybersecurity Pulse. James Pearson, 2022. Russia downed satellite internet in Ukraine [News]. Reuters. Katz, D., 2021. Corporate Governance Update: “Materiality” in America and Abroad [Essay]. The Harvard Law School Forum on Corporate Governance. Kim Zetter, 2014. Countdown to Zero Day: Stuxnet and the Launch of the World’s First Digital Weapon [Cybersecurity Canon Hall of Fame Book]. Goodreads. Lizárraga, C.J., 2023. Improving the Quality of Cybersecurity Risk Management Disclosures [Essay]. U.S. Securities and Exchange Commission. MATTHEW DALY, 2024. Supreme Court Chevron decision: What it means for federal regulations [WWW Document]. AP News. Rick Howard. Countdown to Zero Day: Stuxnet and the Launch of the World’s First Digital Weapon [Book Review]. Cybersecurity Canon Project. Rick Howard, 2021. Using cyber sand tables to study the DNC hack of 2016. [Podcast]. The CyberWire. Rick Howard, 2022. Cyber sand table series: OPM. [Podcast and Essay]. The CyberWire. Staff, 2020. Qasem Soleimani: US strike on Iran general was unlawful, UN expert says [Explainer]. BBC News. Staff, 2023. Final Rule: Cybersecurity Risk Management, Strategy, Governance, and Incident Disclosure [Government Guidance]. U.S. Securities and Exchange Commission. Staff, 2024. Number of Public Companies v. Private: U.S. [Website]. Advisorpedia.