Data breaches reported to the US Securities and Exchange Commission in 2023

24 notices in 2023. Companies listed in the US disclose cybersecurity incidents to investors in 8-K filings: Item 1.05 for a material incident, Item 8.01 for others they choose to report. The register.

By year: 2026 · 2025 · 2024 · 2023 · Overview

Notice	Organisation
29 December 2023	First American Financial Corp
22 December 2023	First American Financial Corp
21 December 2023	Middlefield Banc Corp
18 December 2023	V F Corp
30 November 2023	Fidelity National Financial, Inc.
30 November 2023	Fidelity National Financial, Inc.
29 November 2023	Mueller Water Products, Inc.
21 November 2023	Fidelity National Financial, Inc.
21 November 2023	Inspired Entertainment, Inc.
20 November 2023	LivaNova PLC
26 October 2023	Reinsurance Group Of America Inc
19 October 2023	Simpson Manufacturing Co., Inc.
16 October 2023	Akumin Inc.
11 October 2023	Simpson Manufacturing Co., Inc.
18 September 2023	Clorox Co /De/
14 August 2023	Clorox Co /De/
2 August 2023	Garrett Motion Inc.
26 July 2023	Maximus Inc
10 July 2023	1st Source Bank
30 May 2023	Enzo Biochem Inc
21 April 2023	Middlefield Banc Corp
12 April 2023	Heico Corp
27 March 2023	Lumen Technologies, Inc.
6 February 2023	Mks Instruments Inc

From the data breach tracker: official notices, breach databases and the news, every fact with its source. Open data (CC BY 4.0) · How the tracker works · Official registers · Corrections and changes · Found a mistake? Tell us and we correct it.