2023-08-07 Callaway Golf Co Cybersecurity Incident

Page last updated on February 27, 2026

Callaway Golf Co initially disclosed a cybersecurity incident in an SEC 8-K filing on 2023-08-07 17:17:52 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: Unknown
Contained Date: Unknown
Recovered Date: Unknown

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

Costs: No Costs Tracked (yet)

Filings

8-K filed on 2023-08-07

Callaway Golf Co filed an 8-K at 2023-08-07 17:17:52 EDT
Accession Number: 0001193125-23-205086

Item 8.01 Other Events.

Topgolf Callaway Brands Corp. (the "Company") identified unusual IT system activity last week and immediately took proactive steps, in consultation with its external advisors, to secure its systems, including activating its incident response plan and moving some systems off-line as a precautionary measure. Law enforcement was also notified.

Currently, the majority of the Company's systems are on-line and full access will be restored in the coming days. Based on its investigation and information currently known, the Company does not believe the incident will have a material effect on its business, operations, or financial results.

Company Information