HackingRetail & ConsumerRetailStolen CredentialsSupply Chain (3P Vendor)Customer Data InvolvedPCIFinancial accountMediumContained

Delta Air Lines, Inc.

bd_01d416aae72ef6a0 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 28, 2018

Filed

Apr 26, 2018

To disclose

29 days

Affected

2,831state residents only

Confidence

64%

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

Delta Air Lines notified Hawaii customers of a third-party breach involving [24]7.ai, a chat service provider. Malware on [24]7.ai's systems between Sept 26 and Oct 12, 2017, allowed unauthorized access to payment card data (name, address, card number, CVV, expiration) for purchases made on delta.com. Delta engaged law enforcement and forensic teams, offered two years of free credit monitoring, and notified affected customers via mail on April 11, 2018.

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Hawaii clock✓ HI CRA notice due29 days discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 183 days

discovery → filing · 29 days

Sep 26, 2017

Begins

Mar 28, 2018

Discovered

Apr 26, 2018

Filed

vs. sector median

5 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed2,831 affectedView incident

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: Retail & Consumerllm

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: 2,831state-resident count only
Data types: PCIFinancial account
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain CompromiseT1056 Input Capture
Threat actor: Partner
Third party: via [24]7.ai
Initial access: supply_chain

During the incident: Engaged federal law enforcement and forensic teams
Initiated diligent efforts to directly contact customers, including by first-class postal mail
Offering a paid subscription for AllClear ID credit monitoring and identity theft protection services for two years at no cost
Changes made: Offering AllClear ID credit monitoring and identity theft protection services for two years
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 29 days(29 days from discovery to filing)
Compliance flags: HI CRA notice due
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

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://web.archive.org/web/20211024101019id_/https://cca.hawaii.gov/ocp/files/2018/11/Delta_Air_Lines_Inc_247ai_OCP_2018-0161.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 26, 2018
Raw hash: 6df688be350a2455d8f22a13f187f2659d70bcfbcbdfc52b381132a247c75b37

Reporting entityDelta Air Lines, Inc.

Victim entityDelta Air Lines, Inc.

Incidentdiscovered Mar 28, 2018

Stated responseEngaged federal law enforcement and forensic teams

ComplianceHI CRA notice due

Extraction provenanceno artifact recorded

Source provenanceweb.archive.org