A ransomware group calling itself IncRansom claims to have carried out an attack against Zummocorp, with the claim reportedly posted to the group’s dark-web leak site on or around August 31, 2026. This claim has not been independently verified by BreachLetter, has not been confirmed by Zummocorp, and has not been confirmed by any regulator. The listing was identified through ransomware.live, a security research platform that tracks and archives ransomware groups’ public leak-site postings.
What we know — and don’t
- IncRansom’s leak-site listing reportedly references Zummocorp, with a claimed posting date of August 31, 2026.
- Zummocorp operates outside the finance, legal, education, healthcare, and retail categories tracked by BreachLetter, and is classified here under the ‘other’ sector.
- The specific types of data IncRansom claims to have obtained — such as customer records, employee information, or financial details — have not been disclosed by the group and have not been confirmed by any independent source.
- No confirmation of the claim’s accuracy has come from Zummocorp itself or from any regulatory body as of this writing.
What should you do if you have an account with this company?
- Change your password for any account associated with Zummocorp, and avoid reusing that password on other sites.
- Enable two-factor authentication (2FA) wherever it is offered, particularly on email and financial accounts.
- Be alert for phishing emails, texts, or phone calls that reference this incident or ask you to verify account details — attackers often exploit uncertainty following claims like this one.
- Consider monitoring your personal information for signs of misuse, since services like a service like Aura or LifeLock can alert you if your data appears in places it shouldn’t.
- Keep an eye on account statements and credit reports for any unfamiliar activity in the weeks ahead.
BreachLetter will update this page if Zummocorp confirms this incident, if IncRansom’s claim is substantiated by further evidence, or if the matter is officially reported to regulators.