HackingRetail & ConsumerHealthcareRetailVulnerability ExploitSupply Chain (3P Vendor)Customer Data InvolvedEmployee Data InvolvedFinancialHealth (basic)Identity (basic)Government IDPHICriticalContained

THE KROGER CO.

bd_be0af4b58344c936 · schema v1 · pii pii-v1

Severity

Critical

Discovered

Jan 23, 2021

Filed

Feb 19, 2021

To disclose

27 days

Affected

153,800state residents only

Linked

8 filings

Confidence

71%

Full breach record for THE KROGER CO. →7 incidents on file

The Kroger Co. reported a data security incident involving its third-party file transfer vendor, Accellion. An unauthorized party exploited a vulnerability in Accellion's service between Dec 24-29, 2020. Kroger discovered the impact on Jan 23, 2021. Impacted data included employee PII (SSN, DOB, salary) and patient PHI (prescriptions, medical history). 153,800 Washington residents were notified on Feb 19, 2021, and offered 2 years of credit monitoring.

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Washington clock✓ WA AG ≤30d27 days discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 30 days

discovery → filing · 27 days

Dec 24, 2020

Begins

Jan 23, 2021

Discovered

Feb 19, 2021

Filed

vs. sector median

5 wks faster

This filing is one of 8 filings about the same incident.View merged incident

Part of Accellion supply-chain incident (2021) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (7) · sorted by filing gap

HHS OCRbd_3e0294adc07168622021-02-19Verified by operator
California State AGbd_6aaa39c445f321cc2021-02-19Verified
Indiana State AGbd_d1b8496772be04482021-02-19Verified by operator
Massachusetts State AGbd_df83dda5fb6772592021-02-19Verified by operator

Show 3 more filings ↓up to 26d gap

Montana State AGbd_f38fff6774acc2fe2021-02-19Verified by operator
South Carolina State AGbd_671cf941212846732021-02-22 · +3dVerified
Montana State AGbd_ce7542d02671c8312021-03-17 · +26dVerified by operator

Name: THE KROGER CO.
norm: the kroger
Domain: kroger.com

Name: THE KROGER CO.
norm: the kroger
Domain: kroger.com
Industry: Retail & ConsumerllmHealthcarellm

Discovered: Jan 23, 2021
Breach occurred: Dec 24, 2020 – Dec 29, 2020
Undetected for: 30 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 19, 2021
Affected individuals: 153,800state-resident count only
Data types: FinancialHealth (basic)Identity (basic)Government IDPHI
Data elements: NameSocial Security numberDate of birthMedical information
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 1-99dexposure 1-99d
WA-stated discovery: Found after the fact
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified Washington Office of the Attorney General
Third party: via Accellion
Initial access: exploit_public_facing

During the incident: Discontinued use of Accellion's services
Reported the incident to federal law enforcement
Began an investigation to understand the scope and impact of the incident
Arranged for impacted associates and patients to receive comprehensive credit monitoring and identity theft protection services through Experian for two years at no cost
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 27 days(27 days from discovery to filing)
Compliance flags: WA AG ≤30d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 8 filings · 7 states

View merged incident ↗

HHS OCRFeb 19 · first

California State AGFeb 19 · first

Indiana State AGFeb 19 · first

Massachusetts State AGFeb 19 · first

Montana State AGFeb 19 · first

Washington State AGFeb 19 · first · this page

South Carolina State AG+3d

Montana State AG+26d

Pattern: first filing Feb 19 (OH), last Mar 17 (MT) — a 26-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachM10405.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 19, 2021
Raw hash: ae9eaec57535a8a3a1d190007eab97994fbfd5fa9f9161c93003477d3dee0cf6

Linked disclosures

Regulatory filings (7) · sorted by filing gap

Reporting entityTHE KROGER CO.

Victim entityTHE KROGER CO.

Incidentdiscovered Jan 23, 2021

Stated responseDiscontinued use of Accellion's services

ComplianceWA AG ≤30d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com