Port Jefferson Station, NY – On or around September 22, 2025, LIWLI discovered certain unusual activity within its computer systems. Upon discovery, LIWLI immediately took steps to secure its network. In addition, LIWLI engaged a third-party team of cybersecurity professionals in order to determine the full nature and scope of the incident. Following a thorough investigation, LIWLI confirmed that a limited amount of protected health information may have been accessed in connection with this incident.

Although the forensic investigation could not rule out the possibility that an unknown actor may have accessed this information, there is no indication whatsoever that any information has been misused at this time. The type of information contained within the affected data included patient name, address, phone number, email address, date of birth, Social Security number, passport number, driver’s license number, government-issued photo identification document, medical record number, medical treatment information, lab result, diagnosis/conditions, prescription information, health insurance information, claim information, invoice, billing and payment information, and/or credit card/bank account information. Importantly, the information potentially impacted may vary for each individual, and may include all, or just one, of the above-listed types of information.

Upon learning of the potential access of information, LIWLI quickly undertook a thorough review process to identify what type of information was present within the potentially impacted files, and to whom that information belonged. In addition, LIWLI worked diligently to identify contact information for those potentially impacted individuals in order to provide them with notice of the event. That process was completed on January 5, 2026. LIWLI has notified potentially affected individuals via U.S. mail to their most recent address on file. In an abundance of caution, LIWLI has provided potentially impacted individuals with complimentary credit monitoring services.

Additionally, in response to this event, LIWLI has implemented additional security measures within its network and facilities and is reviewing its current policies and procedures related to data security. Although LIWLI has no evidence of actual or attempted misuse of information as a result of this incident, individuals are nonetheless encouraged to monitor their account statements and explanation of benefits forms for suspicious activity and to detect errors. Potentially impacted individuals may also wish to contact the three major credit agencies to place a fraud alert on their credit report – the credit agencies’ contact information is: Equifax (888-378-4329); TransUnion (833-395-6938); and Experian (888-397-3472).

LIWLI has established a toll-free call center to answer questions about the incident and to address related concerns. The call center is available Monday through Friday from 9 AM – 9 PM Eastern Time and can be reached at 1-833-918-4186. You may also contact us by visiting https://liwli.com/ or by writing to 5225-15 Nesconset Highway, Bldg 2, Port Jefferson Station, NY 11776.

The privacy and protection of information is a top priority for LIWLI, and we deeply regret any inconvenience or concern this incident may cause.

Media Contact:

Name: Michael Kaplan

Email: drkaplan@liwli.com

/PRNewswire — Jan. 29, 2026/

SOURCE Long Island Weight Loss Institute