The sportswear giant says it is actively assessing the situation, though the claims have not been independently verified.
"We always take consumer privacy and data security very seriously," said Nike. "We are investigating a potential cyber security incident and are actively assessing the situation."
TL;DR
- Nike confirmed it is probing a possible data breach
- Ransomware group World Leaks claims it leaked 1.4 terabytes of Nike data
- The leaked data could not be independently verified
- Nike declined to comment on ransom demands or payments
- Shares were flat as investors awaited more details
The company did not provide details on the nature of the breach, its scale, or the systems that may have been affected. Nike also declined to comment on whether any ransom demands were made or paid, or whether customer or partner data was compromised.
Claims By World Leaks Remain Unverified
While World Leaks has claimed responsibility on its website, saying it had published almost 1.4 terabytes of data related to Nike’s business operations, multiple reports find that the data was not immediately accessible, and efforts to independently verify the claims were unsuccessful.
Furthermore, attempts to locate contact information for the hackers or establish direct communication with the group were also unsuccessful.
Potential Impact On Retail Partners
It remains unclear whether the alleged breach affected any of Nike’s wholesale partners, which includes large retailers such as Dick’s Sporting Goods, Macy’s, and JD Sports.
Requests for comment from Dick’s and Macy’s did not receive immediate responses, while a spokesperson for JD Sports said the company had no immediate comment on the matter.
Nike declined to clarify whether partner systems or shared data environments were impacted.
Nike’s Business Context And Market Reaction
The incident comes at a challenging time for Nike, which has been grappling with slowing growth and increasing competition from smaller sportswear brands.
The company has been working to re-establish itself as the world’s dominant sportswear brand after losing market share in recent years.
Despite the cybersecurity concerns, Nike’s shares were largely unchanged in late morning trading on Monday, suggesting investors are waiting for further clarity before reacting to the situation.
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Rising Cost Of Corporate Cyberattacks
Corporate cyberattacks have caused significant disruption across industries in recent years. Companies such as MGM Resorts International, Clorox, and UnitedHealth Group suffered major cyber incidents in 2023 and 2024.
MGM disclosed that a cyberattack cost the company at least $100 million in damages, while Clorox reported a drop of more than $350 million in quarterly net sales following an attack. These incidents highlight the growing financial and operational risks posed by ransomware and data breaches.
As Nike’s investigation continues, the full scope and potential impact of the alleged breach is expected to become clearer in the coming days.
For now, the company says it remains focused on assessing the situation and safeguarding consumer data.

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