Arm
Data Breach on July 13, 2026
| Data Breach Report | |||
|---|---|---|---|
| Victim | arm.com | ||
| Threat Actor | D1R | ||
| Date Discovered | Jul 13, 2026 | ||
| Description | Arm is a semiconductor and software company based in the UK, specializing in the design and licensing of energy-efficient CPU architectures and intellectual property (IP) for processors used in mobile, cloud, and IoT devices. | ||
| Leak Size | Unknown |
Credential Exposure for arm.com
We've indexed 1,857 @arm.com accounts from external breaches, plus 2,751 credentials for arm.com itself.
Last checked Aug 23, 2026
| @arm.com addresses from external breaches | |
|---|---|
| Third-party breaches | 1,712 accounts · across 249 breaches · 1,458 with a plaintext password · most recent Jan 13, 2026 |
| Combo lists | 615 accounts · most recent Aug 22, 2026 |
| Phishing pages | 23 accounts · most recent Aug 13, 2026 |
| Passwords for arm.com accounts | |
|---|---|
| Combo lists | 1,864 logins · most recent Aug 23, 2026 |
| Infostealer logs | 1,043 logins · 808 infected devices · most recent Aug 8, 2026 |
Logins may belong to customers or to staff, and the data doesn't say which. None of this is necessarily connected to the ransomware attack above.
Is your organization next?
Arm was breached. Check if your company's credentials have been exposed in this or other data breaches.
Check your exposure →Continuous dark web monitoring alerts you when we find leaked credentials or session tokens for your company.