Landmark Admin

Landmark Admin, LLC, a third-party administrator for insurance carriers, notified the Rhode Island Attorney General of a cybersecurity incident discovered in May 2024. The breach involved unauthorized access via valid credentials through a VPN, followed by data encryption and exfiltration. Approximately 1,471 Rhode Island residents were potentially affected, with data including names, SSNs, driver's licenses, bank account numbers, and health information. Landmark engaged forensic investigators, notified law enforcement, and offered credit monitoring services.

Landmark Admin, LLC, a third-party administrator for insurance carriers, experienced a data breach from May 13 to June 17, 2024. Unauthorized access resulted in data encryption and exfiltration. The company detected suspicious activity on May 13, 2024, and engaged forensic investigators. Remediation included server hardening, MFA implementation, and staff training. Identity theft protection services are offered to affected individuals.

Landmark Admin, LLC, a third-party administrator for insurance carriers, reported a multi-stage cybersecurity incident discovered May 13, 2024. Attackers gained access via VPN using valid credentials, installed a backdoor on a third-party backup appliance, encrypted systems, and exfiltrated data. The incident affected approximately 1.6 million individuals nationwide, including 1,528 Maine residents. Data potentially compromised included names, SSNs, driver's licenses, bank account numbers, and health information. Landmark engaged forensic investigators, enhanced security controls (MFA, new firewall, server hardening), and offered 12 months of credit monitoring and identity theft protection.

Landmark Admin, LLC, a third-party administrator for insurance carriers, reported a ransomware incident discovered on May 13, 2024. The threat actor accessed the network via valid credentials over VPN, encrypted systems, and exfiltrated data including PII, PHI, and financial info. 11,691 Washington residents were notified. Landmark engaged forensic investigators, notified law enforcement, and offered credit monitoring.

Landmark Admin, LLC, a third-party administrator for insurance carriers, reported a cybersecurity incident discovered on May 13, 2024. An unauthorized party accessed the network via valid credentials through a VPN, exfiltrated data, and encrypted systems. The incident affected 10,150 Iowa residents, compromising names, SSNs, driver's licenses, bank account numbers, and health information. Landmark engaged forensic investigators, notified law enforcement, enhanced security controls (MFA, firewalls, reimaging devices), and offered credit monitoring services.

LANDMARK ADMIN, LLC filed a data-breach notice with the Illinois Attorney General in April 2025 (case 25-04-119). The register records the breach as discovered on May 13, 2024. Personal information types reported: drivers license, financial account number, medical information, ssn. Additional entities named: LIBERTY BANKERS INSURANCE GROUP, CONTINENTAL LIFE INSURANCE COMPANY OF BRENTWOOD TENNESSE, ACCENDO INSURANCE COMPANY, TIER ONE INSURANCE COMPANY, AMERICAN HOME LIFE INSURANCE COMPANY. Illinois does not publish the number of people affected — 815 ILCS 530/10 permits the Attorney General to publish only the entity name, the types of personal information and the date range.

Landmark Admin, LLC, a third-party administrator for insurance carriers, disclosed a ransomware incident where data was encrypted and exfiltrated. Unauthorized access occurred between May 13 and June 17, 2024. Affected data included names, SSNs, and bank account details. Landmark engaged forensic investigators, notified law enforcement, and implemented extensive security hardening measures including MFA and new firewalls. Identity theft protection services were offered to affected individuals.

Supplemental notification to South Carolina AG regarding a security incident involving third-party administrator Landmark Admin, LLC. The incident impacted 16,829 South Carolina residents (14,969 Accendo policyholders and 1,860 Continental policyholders). Notices were sent on March 17, 2025. This is the final notification.

Landmark Admin, LLC notified the NH AG of a ransomware incident discovered May 13, 2024. Data was encrypted and exfiltrated between May 13 and June 17, 2024. 335 NH residents affected. Landmark engaged forensic investigators, secured systems, and offered credit monitoring.

Landmark Admin, LLC, a third-party administrator for insurance carriers, notified individuals of a data breach where unauthorized access occurred between May 13 and June 17, 2024. The incident involved data encryption and exfiltration (ransomware). Compromised data included names, tax IDs, driver's licenses, passports, and medical information. Landmark engaged forensic investigators, notified law enforcement, and implemented extensive security upgrades including MFA and network segmentation.

Landmark Admin, LLC reported a data breach to the Oregon Attorney General. The breach was reported on 2024-10-23. The breach occurred during 5/13/2024 - 6/17/2024. The breach was discovered on 5/13/2024. Notice was sent on 10/23/2024.

Landmark Admin, LLC reported a data breach to the Indiana Attorney General. The breach occurred on 2024-05-13 and was reported on 2024-10-23. 10,750 Indiana residents were affected. 806,519 individuals affected in total.

Landmark Admin, LLC, a third-party administrator for insurance carriers, reported a cybersecurity incident discovered on May 13, 2024, involving unauthorized access and data encryption between May 13 and June 17, 2024. The incident affected 806,519 individuals nationwide, including 566 Maine residents. Compromised data included names, SSNs, tax IDs, driver's licenses, passport numbers, bank account details, and medical/health information. Landmark engaged forensic investigators, secured systems, and notified law enforcement. Affected individuals received notification letters on October 23, 2024, and were offered 12 months of credit monitoring.

Landmark Admin, LLC, a third-party administrator for insurance carriers, experienced a data breach from May 13 to June 17, 2024. Unauthorized access resulted in data encryption and exfiltration. Affected data includes names, tax identification numbers, and for some, driver's license, passport, and health information. The company engaged forensic investigators, contained the incident, and implemented extensive remediation measures including MFA and server hardening.

Landmark Admin, LLC, a third-party administrator for insurance carriers, reported a ransomware incident discovered on May 13, 2024. Unauthorized access occurred between May 13 and June 17, 2024, resulting in data encryption and exfiltration. The breach compromised personal information including names, SSNs, tax IDs, driver's licenses, passport numbers, bank account details, and medical information. 4,795 Washington residents were notified on October 23, 2024. Landmark engaged forensic investigators, notified law enforcement, and implemented extensive security hardening measures including MFA and new firewalls.

Landmark Admin, LLC notified Delaware residents of a ransomware incident detected on May 13, 2024. Unauthorized access occurred through June 17, 2024, resulting in data encryption and exfiltration. Compromised data included names, tax IDs, driver's licenses, passports, and medical information. Landmark engaged forensic investigators, notified law enforcement, and implemented extensive security hardening measures including MFA and new firewalls. Affected individuals were offered 12 months of identity theft protection.

Landmark Admin, LLC, a third-party administrator for insurance carriers, experienced a data breach from May 13 to June 17, 2024. Unauthorized access resulted in data encryption and exfiltration. Affected data includes names, tax ID numbers, and for some, driver's license, passport, and health information. The company engaged forensic investigators, contained the incident, and implemented extensive remediation measures including MFA and server hardening. Identity theft protection is offered to affected individuals.

Landmark Admin, LLC, a third-party administrator for life insurance carriers, notified individuals of a data breach detected on May 13, 2024. Unauthorized third-party access compromised sensitive personal information including SSNs, driver's licenses, financial account numbers, and medical data. Landmark engaged forensic investigators and enhanced network security. Investigation is ongoing.

Landmark Admin, LLC reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2024-06-27. 6,563 Massachusetts residents were affected.

Landmark Admin, LLC, a third-party administrator for life insurance carriers, reported a data breach discovered on May 13, 2024. An unauthorized third party accessed the network, compromising sensitive personal information including SSNs, driver's licenses, financial account numbers, and medical data. One Maine resident was affected. Landmark engaged forensic investigators and enhanced security measures.

Landmark Admin, LLC, a third-party administrator for life insurance carriers, notified consumers of a data breach detected on May 13, 2024. An unauthorized third party accessed the network, potentially compromising names, addresses, SSNs, tax IDs, driver's licenses, passport numbers, financial account numbers, medical information, and policy details. Forensic investigation is ongoing.

Landmark Admin LLC reported an external system breach (hacking) discovered on May 13, 2024. The incident involved unauthorized access to systems potentially compromising names, SSNs, financial account numbers, and driver's licenses. The company engaged forensic investigators and issued substitute notice on June 12, 2024. The filing reports 0 Maine residents affected, though the total nationwide count is not disclosed in this specific notice.

Landmark Admin, LLC, a third-party administrator for life insurance carriers, notified South Carolina regulators of a data breach detected on May 13, 2024. An unauthorized third party accessed systems, potentially compromising names, addresses, SSNs, financial account numbers, and driver's license numbers. The investigation is ongoing.

Landmark Admin LLC, a third-party administrator for life insurance carriers, reported an external system breach on May 13, 2024. The incident involved unauthorized access to systems containing names, SSNs, financial account numbers, and driver's license numbers. The company engaged forensic investigators and enhanced security measures. The filing reports 0 affected individuals.

LANDMARK ADMIN, LLC filed a data-breach notice with the Illinois Attorney General in June 2024 (case 24-06-050). The register records the breach as discovered on May 13, 2024. Illinois does not publish the number of people affected — 815 ILCS 530/10 permits the Attorney General to publish only the entity name, the types of personal information and the date range.