2023-06-13 BRUNSWICK CORP Cybersecurity Incident

Page last updated on September 29, 2025

BRUNSWICK CORP initially disclosed a cybersecurity incident in an SEC 8-K filing on 2023-06-13 17:45:19 EDT.

Incident Details

Material: Unknown
Is Breach: Unknown
Records Compromised: Unknown
Data Types Impacted: No Data Types Tracked (yet)

Compromised Date: Unknown
Detected Date: Unknown
Disclosure Date: 2023-06-13
Contained Date: Unknown
Recovered Date: Unknown

Attack Goal: Unknown
Attack Tactics¹: TA0040
Attack Techniques¹: No Attack Techniques Tracked (yet)

Costs: No Costs Tracked (yet)

Filings

8-K filed on 2023-06-13

BRUNSWICK CORP filed an 8-K at 2023-06-13 17:45:19 EDT
Accession Number: 0000014930-23-000134

Item 8.01 Other Events.

On June 13, 2023, Brunswick Corporation ("Brunswick") issued a press release regarding an IT security incident. The press release is incorporated herein by reference and is included as Exhibit 99.1 to this Current Report on Form 8-K.

Exhibit No. 99.1

Press Release, dated June 13, 2023, of Brunswick Corporation.

METTAWA, Ill. (June 13, 2023) - Brunswick Corporation (NYSE: BC) recently experienced an IT security incident that has impacted some of its systems and global facilities. The Company has activated its response protocols, which include pausing operations in some locations, engaging leading security experts and coordinating with relevant law enforcement agencies. Brunswick is working to address the incident in order to restore the full functionality of the affected systems and minimize business, employee, and customer impacts.

Company Information