HackingTransportation & LogisticsTechnologyTransportationStolen CredentialsInfostealerSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedFinancial accountFinancial credentialsIdentity (basic)LowContained

Delta Air Lines, Inc.

bd_2ead6ef7cc038459 · schema v1 · pii pii-v1

Severity

Low

Discovered

Mar 28, 2018

Filed

Apr 11, 2018

To disclose

14 days

Affected

Not disclosed

Confidence

64%

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

Delta Airlines notified customers that a third-party chat service provider, [24]7.ai, experienced a cyber incident between Sept 26 and Oct 12, 2017. Malware in [24]7.ai's software allowed unauthorized access to payment card data (name, address, card number, CVV, expiration) for customers who purchased on delta.com during that window. Delta engaged law enforcement and forensic teams, offered 2 years of credit monitoring, and stated the incident was contained.

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Incident timeline

undetected · 183 days

discovery → filing · 14 days

Sep 26, 2017

Begins

Mar 28, 2018

Discovered

Apr 11, 2018

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident

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

Name: Delta Air Lines, Inc.
norm: delta air lines
Domain: ir.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: Not disclosed
Data types: Financial accountFinancial credentialsIdentity (basic)
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain CompromiseT1056 Input CaptureT1041 Exfiltration Over C2 Channel
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
Changes made: Offering a suite of identity theft protection and credit monitoring services for two years
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 14 days(14 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

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://attorneygeneral.delaware.gov/wp-content/uploads/sites/50/2018/05/Delta-Airlines-Data-Breach-Sample-Consumer-Notice.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 11, 2018
Raw hash: 8a58db6b56d134065e708f575dd9262431fb8a2d6f38de3f606dafae7427eec4

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 provenanceattorneygeneral.delaware.gov