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Listed on a ransomware leak site

Sumitomo Electric Bordnetze

sebn.com

Sumitomo Electric Bordnetze was listed on the Aurora leak site on Jun 16, 2026. Information as of Oct 19, 2026.

Updated continuously · figures as of Oct 19, 2026
Claimed by
Aurora
First listed
Jun 16, 2026
Claims recorded
1

Leak-Site Claim.

AuroraConfirmed claim
Posted on the leak site
Jun 16, 2026
Collected by Brandefense
Jun 16, 2026
Data claimed
Not stated
Leak-site post text, written by the group
[electric] *** SE (SEBN), a Wolfsburg-headquartered subsidiary of Sumitomo Electric Industries (TSE:5802, ~$31B group revenue), employing approximately 40,000 people across 14 countries. Exfiltrated 1.1 terabytes of data from five manufacturing sites. SEBN Moldova (103 GB), HR, payroll, personal tax records, competition-council litigation files, home directories SEBN Ukraine (115 GB), HR/salary, Audi B9 project data, process documentation, including displaced-worker records for Ukrainian IDPs SEBN Tunisia, Fejja (191 GB + 493 GB shared), passport copies, email archives (671 MB PST)…

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Figures as of Oct 19, 2026. Confirmed leak-site claims collected by Brandefense technologies and validated by Brandefense analysts.

Listed on a leak site means a ransomware group has claimed the company; it is not a confirmed breach. To request a correction or removal, contact Brandefense.