HackingFinancial ServicesRetail & ConsumerFinanceStolen CredentialsSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedIdentity (basic)FinancialMediumContained

J.C. Penney Corporation, Inc. Pension Plan

bd_a8e486bb4b7fea24 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 16, 2021

Filed

Dec 20, 2021

To disclose

5 weeks

Affected

1,147state residents only

Confidence

69%

Full breach record for J.C. Penney Corporation, Inc. Pension Plan →

J.C. Penney Corporation, Inc. Pension Plan notified Washington AG of a third-party vendor breach involving Quantum Group. Unauthorized access occurred Aug-Oct 2021, affecting 1,147 WA residents' names, DOBs, and pension details. Incident discovered Nov 16, 2021. Forensic investigation engaged; credit monitoring offered.

J jump to incidentP pin to compareR raw source

Washington clock⏱ WA AG >30d5 weeks 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 · 91 days

discovery → filing · 5 weeks / 34 days

Aug 17, 2021

Begins

Nov 16, 2021

Discovered

Dec 20, 2021

Filed

vs. sector median

4 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1,147 affectedView incident

Name: J.C. Penney Corporation, Inc. Pension Plan
norm: jc penney corporation inc pension plan

Name: J.C. Penney Corporation, Inc. Pension Plan
norm: jc penney corporation inc pension plan
Industry: Financial ServicesllmRetail & Consumerllm

Discovered: Nov 16, 2021
Breach occurred: Aug 17, 2021 – Oct 11, 2021
Undetected for: 91 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 16, 2021
Affected individuals: 1,147state-resident count only
Data types: Identity (basic)Financial
Data elements: NameDate of birth
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 1-99dexposure 1-99d
WA-stated discovery: Found after the fact
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain CompromiseT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified Washington Office of the Attorney General
Initial access: supply_chain

During the incident: Engaged a data security expert to conduct a forensic investigation
Reported the incident to law enforcement
Offered a complimentary 12-month membership of Experian’s IdentityWorks
Changes made: Working with Alight to review security policies and procedures
Quantum has taken steps to safeguard its network and protect against future incidents
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(34 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.

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/BreachA5220.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 20, 2021
Raw hash: 94e1526b099f56152ab499cd30c45a85b59903ae3b3f438ce8d9bd7b7c77920c

Reporting entityJ.C. Penney Corporation, Inc. Pension Plan

Victim entityJ.C. Penney Corporation, Inc. Pension Plan

Incidentdiscovered Nov 16, 2021

Stated responseEngaged a data security expert to conduct a forensic investigation

ComplianceWA AG >30d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com