HackingRetail & ConsumerRetailStolen CredentialsData ExfiltratedCustomer Data InvolvedIdentity (basic)Financial accountMediumContained

MACY'S, INC.

bd_1b586ea053ae9b1e · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 11, 2018

Filed

Jul 1, 2018

To disclose

20 days

Affected

3,564state residents only

Linked

6 filings

Confidence

69%

Full breach record for MACY'S, INC. →5 incidents on file

Macy's, Inc. reported a cyberattack where an unauthorized third party used stolen valid credentials to access customer profiles on macys.com and bloomingdales.com. The incident occurred from April 26 to June 12, 2018, and was detected on June 11, 2018. The attacker accessed names, addresses, emails, phone numbers, and attempted to access payment card data. 3,564 Washington residents were notified.

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Incident timeline

undetected · 46 days

discovery → filing · 20 days

Apr 26, 2018

Begins

Jun 11, 2018

Discovered

Jul 1, 2018

Filed

vs. sector median

5 wks faster

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Montana State AGbd_394c9bfca4d45f0d2018-07-02 · +1dVerified
New Hampshire State AGbd_5df1dd8fcc86bf932018-07-02 · +1dVerified
Massachusetts State AGbd_aafec7407e6af25a2018-07-02 · +1dVerified
California State AGbd_df0d139238bc78a52018-07-02 · +1dVerified

Show 1 more filing ↓up to 2d gap

Oregon State AGbd_d0d676c1d1a62f7f2018-07-03 · +2dVerified

Name: MACY'S, INC.
norm: macy s
Domain: macys.com

Name: MACY'S, INC.
norm: macy s
Domain: macys.com
Industry: Retail & Consumerllm

Discovered: Jun 11, 2018
Breach occurred: Apr 26, 2018 – Jun 12, 2018
Undetected for: 46 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 3, 2018
Affected individuals: 3,564state-resident count only
Data types: Identity (basic)Financial account
Data elements: Financial account numberName
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 1-99dexposure 1-99d
WA-stated discovery: Found while ongoing
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: ExternalFinancial
Initial access: valid_credentials

During the incident: Blocked the attacker's scripts within six hours of pattern validation
Blocked access to relevant customer profiles
Purged all payment card data from the profiles
Blocked profiles until customers changed their passwords
Reported relevant debit and credit card numbers to Visa, Mastercard, American Express, and Discover
Added additional security rules around website login
Changes made: Added additional security rules around website login
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 20 days(20 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Washington State AGJul 1 · first · this page

Montana State AG+1d

New Hampshire State AG+1d

Massachusetts State AG+1d

California State AG+1d

Oregon State AG+2d

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/BreachM9578.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 1, 2018
Raw hash: bb17cd7cec34739f8538e3d037b224a23d5a9363aa537d639f8ef74377bc080d

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityMACY'S, INC.

Victim entityMACY'S, INC.

Incidentdiscovered Jun 11, 2018

Stated responseBlocked the attacker's scripts within six hours of pattern validation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com