MemberClose LLC

Summary

MemberClose LLC discovered suspicious activity on a cloud application and launched an investigation. The investigation found that files potentially accessed by an unauthorized third party may have contained personal information such as names, Social Security numbers, and dates of birth. Edelson Lechtzin LLP is investigating potential claims on behalf of affected customers.

Motives

Detailed motive labels are available to members.

TTPs

Detailed technique labels are available to members.

Description

MemberClose LLC provides credit unions with an online lending platform that centralizes mortgage services to help them operate more efficiently and compete with larger lenders. On or about October 30, 2025, MemberClose learned of a data breach after discovering suspicious activity on a cloud application. The company immediately launched an investigation into the incident. Through that investigation, MemberClose determined that, on or around October 29, 2025, certain files within the impacted system had potentially been accessed and acquired by an unauthorized third party. The files that may have been compromised could have contained personal information such as names, Social Security numbers, and dates of birth. No further details about the attacker’s identity, methods, or the extent of the data exfiltration were disclosed in the source material.

Edelson Lechtzin LLP, a national class action law firm with offices in Pennsylvania and California, is investigating data privacy claims on behalf of MemberClose LLC customers whose data may have been compromised. The firm is pursuing a class action lawsuit to seek legal remedies for individuals whose sensitive personal information might have been exposed in the breach. Contact information for the firm includes Eric Lechtzin, Esq., at 411 S. State Street, Suite N‑300, Newtown, PA 18940, phone 844‑696‑7492 ext. 1, email elechtzin@edelson‑law.com, and website www.edelson‑law.com. The press release announcing the investigation notes that it may be considered attorney advertising in certain jurisdictions. No additional information regarding notification procedures, containment measures, or impact assessments was provided in the available source.

Sources

Sources available to members: 1 source.