HackingFinancial ServicesFinanceStolen CredentialsData ExfiltratedTargetedGovernment IDPIIMediumContained

LEMONADE, INC.

bd_c499fb305e941f00 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 18, 2024

Filed

Apr 11, 2025

To disclose

29 weeks

Affected

750state residents only

Linked

16 filings

Confidence

66%

Full breach record for LEMONADE, INC. →2 incidents on file

Lemonade, Inc. notified Iowa AG of unauthorized access to driver's license numbers for ~750 Iowa residents. Bad actors used stolen credentials to exploit a vulnerability in the car insurance quote flow (April 2023–Sept 2024). Lemonade patched the vulnerability, contained the incident, and offered 12 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Iowa clock✓ IA AG ≤5 bday29 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 536 days

discovery → filing · 29 weeks / 205 days

Apr 1, 2023

Begins

Sep 18, 2024

Discovered

Apr 11, 2025

Filed

vs. sector median

+21 wks slower

This filing is one of 16 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

California State AGbd_5083a89f0a03f74e2025-04-11Verified
Oregon State AGbd_509afcd072ce27cd2025-04-11Verified
South Carolina State AGbd_a20792f866647d692025-04-11Verified
Massachusetts State AGbd_b975a2bd3969243c2025-04-12 · +1dVerified

Show 6 more filings ↓up to 67d gap

Rhode Island State AGbd_e5e47744427177dd2025-04-14 · +3dVerified
California State AGbd_9c31feadbbc4c6d62025-06-12 · +62dVerified
Nebraska State AGbd_d8df3b5c092685fa2025-06-13 · +63dVerified
Delaware State AGbd_f35592cfa8a8894d2025-06-13 · +63dVerified
Rhode Island State AGbd_419d841cd52bf5482025-06-17 · +67dVerified
Texas State AGbd_d0fb196ee08df9c12025-06-17 · +67dVerified

Showing first 10 of 15 linked disclosures.

Name: LEMONADE, INC.
norm: lemonade
Domain: lemonade.com

Name: LEMONADE, INC.
norm: lemonade
Domain: lemonade.com
Industry: Financial Servicesllm

Discovered: Sep 18, 2024
Breach occurred: Apr 1, 2023 – Sep 18, 2024
Undetected for: 536 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 10, 2025
Affected individuals: 750state-resident count only
Data types: Government IDPII
Attack vector: Misconfiguration
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1052 Exfiltration Over Physical Medium
Threat actor: ExternalFinancial
Initial access: valid_credentials

During the incident: Made a series of technical changes to the website’s software code
Began notifying approximately 750 Iowa residents
Offered 12 months of free credit monitoring and identity theft protection services through Epiq’s third-party vendor, CyEx
Changes made: Eliminated the vulnerability in the Online Flow
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 29 weeks(205 days from discovery to filing)
Compliance flags: IA AG ≤5 bday
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 9 states

View merged incident ↗

California State AGApr 11 · first

Oregon State AGApr 11 · first

South Carolina State AGApr 11 · first

Iowa State AGApr 11 · first · this page

Massachusetts State AG+1d

Rhode Island State AG+3d

California State AG+62d

Nebraska State AG+63d

Delaware State AG+63d

Rhode Island State AG+67d

Texas State AG+67d

Pattern: first filing Apr 11 (CA), last Jun 17 (TX) — a 67-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 15 — the full spread may be wider.

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://www.iowaattorneygeneral.gov/media/cms/4112025_Lemonade_Inc_123E2027385E4.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 11, 2025
Raw hash: ee3258a4fbd1525d34f5dfee8e063bc421a7265a4e1fea8f676b61ea027ef07b

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityLEMONADE, INC.

Victim entityLEMONADE, INC.

Incidentdiscovered Sep 18, 2024

Stated responseMade a series of technical changes to the website’s software code

ComplianceIA AG ≤5 bday

Extraction provenanceno artifact recorded

Source provenancewww.iowaattorneygeneral.gov