Interstate Management Company Data Breach

Interstate Management Company disclosed a data breach after hackers reportedly accessed hotel systems and potentially exposed sensitive personal information. The incident affected 22,743 individuals, including residents in multiple states, and involved Social Security numbers and financial account information.

Interstate Management Company’s Data Breach Investigation

Interstate Management Company, LLC recently disclosed a cybersecurity incident involving unauthorized access to certain hotel systems. According to the company’s notice of data event, Interstate Management confirmed on April 23, 2026 that personal information may have been accessed or taken during a security breach that occurred between November 19, 2025 and November 22, 2025.

The company stated that it launched an investigation after discovering the incident and took steps to secure its systems and determine what information may have been involved. These efforts included reviewing affected files and identifying the individuals whose information may have been compromised.

According to the filing, the potentially exposed information includes names, Social Security numbers, and financial account information. Sensitive financial and identity-related data can create serious risks for affected individuals, including identity theft, fraudulent financial activity, phishing attacks, and long-term privacy concerns.

Interstate Management Company operates hotel properties, including The Westin San Diego Bayview, according to the breach notification letter sent to impacted individuals. Businesses in the hospitality industry frequently store sensitive customer and employee information, making them attractive targets for cybercriminals seeking valuable personal and financial data.

The breach was classified as an “external system breach (hacking)” in regulatory disclosures. This means an unauthorized third party allegedly gained access to company systems from outside the organization. Cyberattacks involving unauthorized system access can be especially concerning because threat actors may be able to copy, steal, or misuse personal information before the intrusion is detected.

Interstate Management reported that 22,743 individuals were affected by the incident, including three Maine residents. The company also confirmed that consumer reporting agencies were notified in connection with the breach.

As part of its response, Interstate Management stated that it notified law enforcement, reviewed system security, and began implementing additional safeguards and employee training measures. The company is also offering affected individuals complimentary credit monitoring and identity protection services through IDX for one year.

The company encouraged affected individuals to monitor financial accounts and credit reports for suspicious activity. Consumers impacted by breaches involving Social Security numbers and financial information may face elevated risks because criminals can use stolen data to open fraudulent accounts, commit tax fraud, or carry out other identity-related crimes.

Data breaches involving personal and financial information can have lasting consequences. Victims often spend significant time monitoring accounts, disputing fraudulent charges, replacing compromised documents, and protecting their identities. Even when direct financial losses do not immediately occur, exposed personal information may continue circulating online or on dark web marketplaces.

Consumers affected by the Interstate Management Company data breach may have legal rights. Class action lawsuits involving cybersecurity incidents often seek compensation for out-of-pocket expenses, identity theft risks, time spent dealing with the breach, emotional distress, and loss of privacy. Legal action may also encourage companies to strengthen cybersecurity practices and improve how sensitive information is protected.

As investigations continue, individuals who received notice of the breach may want to remain vigilant and take steps to secure their personal and financial information.

When Did This Breach Occur?

According to Interstate Management Company, the data breach occurred between November 19, 2025 and November 22, 2025.

The company confirmed the incident on April 23, 2026.

Written notification letters were reportedly sent to affected individuals on or about May 26, 2026.

What Information Was Breached?

The following types of information may have been exposed in the Interstate Management Company data breach:

• Full names
• Social Security numbers
• Financial account information

The company stated that the exact information involved may vary depending on the affected individual.

What You Can Do

If you received a notification from Interstate Management Company regarding this incident, there are several important steps you can take to help protect yourself from fraud and identity theft.

Closely monitor your bank accounts, financial statements, and credit reports for suspicious activity. Unauthorized charges or unfamiliar accounts should be reported immediately to your financial institution.

You may also want to place a fraud alert or credit freeze with the major credit bureaus. These tools can help prevent criminals from opening accounts in your name using compromised information.

Interstate Management Company is offering complimentary credit monitoring and identity protection services through IDX. Affected individuals should carefully review the instructions provided in their notification letter and consider enrolling before the stated deadline.

Be cautious of phishing emails, phone calls, or text messages that reference the breach or request personal information. Cybercriminals often use breach-related news to target victims with scams.

Consumers impacted by data breaches may also have legal rights and may be eligible to pursue compensation for losses tied to the incident.

File a Data Breach Lawsuit Against Interstate Management Company

If you received a notice from Interstate Management Company stating that your information may have been compromised, you may be eligible to file a data breach lawsuit.

Class action lawsuits allow individuals affected by cybersecurity incidents to seek compensation for losses related to identity theft, fraud risks, out-of-pocket expenses, time spent responding to the breach, and loss of privacy. Legal action may also help encourage stronger cybersecurity protections and accountability when companies fail to adequately safeguard sensitive information.

Contact us at Class Action U, where we’ll connect you with a lawyer skilled in class action lawsuits. If you’ve been contacted about this breach, received notice, or discovered you were impacted, fill out our quick, easy, and secure form to sign up. There is no cost to reach out to our legal partner and no obligation after speaking with someone from our team.