A ransomware group calling itself INC Ransom claims to have carried out an attack on Third Coast Bancshares, with the claim dated August 18, 2026. This claim comes from an entry on the group’s own leak-site listing, which is tracked and archived by ransomware.live, a security research platform that monitors ransomware groups’ public extortion sites. At this stage, the claim has not been independently verified, and Third Coast Bancshares has not issued any public confirmation of an incident.
What we know — and don’t
- A group identifying itself as INC Ransom listed Third Coast Bancshares on its leak site, with a claimed date of August 18, 2026.
- Third Coast Bancshares operates in the finance sector.
- The specific types of data the group claims to have obtained have not been disclosed in the listing and have not been confirmed by the company.
- No regulator or official body has confirmed this incident, and Third Coast Bancshares has not made a public statement addressing the claim as of this writing.
- Claims made on ransomware leak sites are statements by criminal actors and are not independent proof that a breach occurred or that any specific data was actually accessed.
What should you do if you have an account with this company?
- Change your password for any account with this company, and avoid reusing that password elsewhere.
- Enable two-factor authentication (2FA) on your account if it isn’t already turned on.
- Be cautious of unexpected emails, texts, or calls claiming to be from the company, especially those asking you to click links, verify account details, or provide sensitive information — this is a common follow-up tactic after claimed breaches.
- Monitor your bank and card statements closely for any unfamiliar activity.
- Consider a credit freeze or fraud alert with major credit bureaus if you’re concerned about identity misuse.
- For ongoing peace of mind, services like a service like Aura or LifeLock can help monitor your personal information and alert you to signs of identity theft.
BreachLetter will update this article if Third Coast Bancshares confirms this incident, issues a statement, or if the matter is officially reported to regulators.