MalwareTransportation & LogisticsTechnologyTransportationInfostealerStolen CredentialsSupply Chain (3P Vendor)Customer Data InvolvedPIIFinancial accountFinancial credentialsMediumContained

Delta Air Lines, Inc.

bd_286e451dc4b1279e · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 28, 2018

Filed

Apr 12, 2018

To disclose

15 days

Affected

6,310state residents only

Linked

5 filings

Confidence

64%

Full breach record for Delta Air Lines, Inc. →6 incidents on file

Delta Air Lines notified customers of a data breach involving third-party vendor [24]7.ai. Malware in [24]7.ai's chat software accessed payment card data (name, address, card number, CVV, expiration) for purchases on delta.com between Sept 26 and Oct 12, 2017. Delta was notified on March 28, 2018. No definitive count of affected individuals was provided; Delta offered 2 years of credit monitoring.

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Incident timeline

undetected · 183 days

discovery → filing · 15 days

Sep 26, 2017

Begins

Mar 28, 2018

Discovered

Apr 12, 2018

Filed

This filing is one of 5 filings about the same incident.View merged incident

Part of [24]7.ai supply-chain incident (2018) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Oregon State AGbd_766cb69bdc29cf102018-04-13 · +1dVerified by operator
Massachusetts State AGbd_bb82bd5e930bba5f2018-04-13 · +1dVerified
California State AGbd_c8ee1d64322889022018-04-13 · +1dVerified
New Hampshire State AGbd_3fd5fb2b29a0de182018-04-11 · +1dVerified

Name: Delta Air Lines, Inc.
norm: delta air lines
Domain: delta.com

Name: Delta Air Lines, Inc.
norm: delta air lines
Domain: delta.com
Industry: Transportation & LogisticsllmTechnologyllm

Discovered: Mar 28, 2018
Breach occurred: Sep 26, 2017 – Oct 12, 2017
Undetected for: 183 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 11, 2018
Affected individuals: 6,310state-resident count only
Data types: PIIFinancial accountFinancial credentials
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain CompromiseT1056 Input Capture
Threat actor: ExternalFinancial
Regulator citations: engaged federal law enforcement
Third party: via [24]7.ai
Initial access: supply_chain

During the incident: Launched an investigation
Engaged federal law enforcement and forensic teams
Initiated diligent efforts to directly contact customers, including by first-class postal mail
Offering a suite of identity theft protection and credit monitoring services for two years from the date of this letter at no cost
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 15 days(15 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

New Hampshire State AGApr 11 · first

Montana State AG+1d · this page

Oregon State AG+2d

Massachusetts State AG+2d

California 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://dojmt.gov/wp-content/uploads/Delta-Air-Lines.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 12, 2018
Raw hash: a0485f3bd339460f78212871e79de974914afae7871ba5b0a128778c0bb96f50

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityDelta Air Lines, Inc.

Victim entityDelta Air Lines, Inc.

Incidentdiscovered Mar 28, 2018

Stated responseLaunched an investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov