Unverified leak-site claim: Coinbasecartel names Tower Insurance (NZ) — Financial Services

This is not a confirmed breach. This entry records that a ransomware group posted a claim on its own leak site. Matproof has not verified the claim and does not assert that any incident occurred. Such claims are often exaggerated, false, misattributed, or refer to a third party rather than the named organisation. The named organisation has not confirmed it.

If you represent a named organisation and this entry is inaccurate, email legal@matproof.com and we will correct or remove it.

On 2026-08-22, the ransomware group Coinbasecartel published a claim on the leak-site mirror ransomwarelive, naming Tower Insurance (NZ) in its financial services sector. The posting alleges an incident involving the organisation. This is an unverified claim; the group has not provided proof, and Tower Insurance has not confirmed any breach, data theft, or system access. Leak-site claims are frequently exaggerated, false, or misattributed, and may refer to a third party rather than the named organisation.

Compliance teams should treat this as unverified and not act on it as a confirmed incident. Contact Tower Insurance directly to request a written statement addressing the claim. Do not escalate, notify regulators, or inform customers based solely on this posting. Monitor the vendor’s official channels for any response, and document the inquiry for your records.