---
title: "AssuranceAmerica March network data incident"
description: "AssuranceAmerica reported copied files after a March 2026 intrusion; South Carolina recorded 611,046 affected residents."
incident_type: "Data incident"
status: "active"
last_modified: "2026-10-19"
canonical_url: "https://www.ally.security/incidents/assuranceamerica-march-network-data-incident-2026"
markdown_url: "https://www.ally.security/incidents/assuranceamerica-march-network-data-incident-2026.md"
stix_url: "https://www.ally.security/incidents/assuranceamerica-march-network-data-incident-2026/stix.json"
---

# AssuranceAmerica March network data incident

An employee-targeted attack preceded unauthorized access to insurance-related files.

Last modified Oct 19, 2026 · 3 sources

## Summary

- **Environment:** Company IT systems and insurance-related files
- **Operational impact:** Files copied; affected servers taken offline
- **Financial impact:** No incident cost established in the reviewed evidence

## What happened

[AssuranceAmerica](https://www.assuranceamerica.com/) discovered suspicious activity on March 17, 2026. Its [notice](https://consumer.sc.gov/sites/consumer/files/Documents/Security%20Breach%20Notices/2026/Consumer%20Letter-%20AssuranceAmerica%20Managing%20General%20Agency%2C%20Inc..pdf) links that discovery to an attack targeting an employee the previous day. An intruder accessed company systems and copied files. [2](#source-2)

## Impact

The files contained names and varying combinations of contact details, insurance policy or account information, driver or vehicle information, claims, driver’s-license numbers, tax IDs and Social Security numbers. [2](#source-2)

[South Carolina Consumer Affairs](https://consumer.sc.gov/) recorded 611,046 affected state residents. This is a state-specific count, not a national total. [3](#source-3)

## Timeline

### March 17, 2026 — Suspicious activity detected

The company began investigating. [2](#source-2)

### June 15, 2026 — File review completed

The review identified affected information. [2](#source-2)

### June 17, 2026 — California report received

The [state listing](https://oag.ca.gov/privacy/databreach/list?field_sb24_org_name_value=AssuranceAmerica+Managing+General+Agency%2C+LLC) dates receipt to June 17. [1](#source-1)

### June 18, 2026 — South Carolina report recorded

The [registry](https://consumer.sc.gov/index.php/identity-theft-unit/security-breach-notices) lists 611,046 state residents. [3](#source-3)

### October 19, 2026 — Briefing updated

This briefing was last reviewed and updated on October 19, 2026.

## Threat Group & Attack Vector

The notice describes employee-targeted malicious activity without establishing the precise access technique. [2](#source-2)

### Actors

- No threat actor group has been identified in the reviewed public evidence.

### TTPs

- No specific MITRE ATT\&CK technique is currently mapped for this case.

## Response

AssuranceAmerica took affected servers offline, reset passwords, strengthened monitoring and staff training, and notified law enforcement. [2](#source-2)

## Assets

[Download the case-scoped STIX 2.1 bundle](<https://www.ally.security/incidents/assuranceamerica-march-network-data-incident-2026/stix.json>)

## Sources

Primary source records used to research this incident.

<a id="source-1"></a>

### AssuranceAmerica California breach notification listing

regulatory · California Department of Justice

<https://oag.ca.gov/privacy/databreach/list?field_sb24_org_name_value=AssuranceAmerica+Managing+General+Agency%2C+LLC>

<a id="source-2"></a>

### AssuranceAmerica March network incident notice

official · AssuranceAmerica Managing General Agency, LLC

<https://consumer.sc.gov/sites/consumer/files/Documents/Security%20Breach%20Notices/2026/Consumer%20Letter-%20AssuranceAmerica%20Managing%20General%20Agency%2C%20Inc..pdf>

<a id="source-3"></a>

### Security Breach Notices

regulatory · South Carolina Department of Consumer Affairs

<https://consumer.sc.gov/index.php/identity-theft-unit/security-breach-notices>

<details>
<summary>Evidence ledger</summary>

Review the supporting structured claims.

1. **Occurred At · 100% confidence · current**  
   California report received: 2026-06-17
2. **Exposed Data Category · 100% confidence · current**  
   Personal information in copied files: Contact information
3. **Resulted In · 100% confidence · current**  
   AssuranceAmerica March network data breach: The company took affected servers offline, reset passwords, increased monitoring and staff training, and notified law enforcement.
4. **Resulted In · 100% confidence · current**  
   AssuranceAmerica March network data breach: Affected files included names and varying combinations of contact, auto-policy/account, driver/vehicle, claims, driver’s-license, tax-ID and Social Security information.
5. **Resulted In · 100% confidence · current**  
   AssuranceAmerica March network data breach: Personal information in copied files
6. **Affected Organization · 100% confidence · current**  
   AssuranceAmerica March network data breach: AssuranceAmerica Managing General Agency, LLC
7. **Resulted In · 100% confidence · current**  
   AssuranceAmerica March network data breach: The company linked its March 17 detection to employee-targeted malicious activity on March 16.
8. **Resulted In · 100% confidence · current**  
   AssuranceAmerica March network data breach: Suspicious activity detected
9. **Discovered At · 100% confidence · current**  
   AssuranceAmerica March network data breach: 2026-03-17
10. **Exposed Data Category · 100% confidence · current**  
   Personal information in copied files: Driver's license numbers
11. **Occurred At · 100% confidence · current**  
   Affected-file review completed: 2026-06-15
12. **Exposed Data Category · 100% confidence · current**  
   Personal information in copied files: Social Security numbers
13. **Resulted In · 100% confidence · current**  
   AssuranceAmerica March network data breach: An unauthorized third party accessed company IT systems and copied files.
14. **Resulted In · 100% confidence · current**  
   AssuranceAmerica March network data breach: Affected South Carolina residents
15. **Occurred At · 100% confidence · current**  
   South Carolina recorded 611,046 residents: 2026-06-18
16. **Occurred At · 100% confidence · current**  
   Suspicious activity detected: 2026-03-17
17. **Resulted In · 100% confidence · current**  
   AssuranceAmerica March network data breach: The affected-file review finished June 15, 2026.
18. **Resulted In · 100% confidence · current**  
   AssuranceAmerica March network data breach: Affected-file review completed
19. **Exposed Data Category · 100% confidence · current**  
   Personal information in copied files: Tax identification numbers
20. **Resulted In · 100% confidence · current**  
   AssuranceAmerica March network data breach: California report received
21. **Affected Individual Count · 100% confidence · current**  
   Affected South Carolina residents: 611,046 individual
22. **Resulted In · 100% confidence · current**  
   AssuranceAmerica March network data breach: South Carolina recorded 611,046 residents
23. **Exposed Data Category · 100% confidence · current**  
   Personal information in copied files: Names

</details>