HackingRetail & ConsumerRetailStolen CredentialsData ExfiltratedCustomer Data InvolvedDelayed DiscoveryPIICredentialsHighActive

Shein

bd_163ba3e0e55e255c · schema v1 · pii pii-v1

Severity

High

Discovered

Aug 22, 2018

Filed

Oct 11, 2018

To disclose

7 weeks

Affected

6,420,000scope not determined

Linked

6 filings

Confidence

64%

Full breach record for Shein →2 incidents on file

SHEIN notified customers of a cyberattack where intruders stole email addresses and encrypted passwords from approximately 6.42 million customers. The breach occurred between June and August 2018. SHEIN engaged forensic investigators, removed malware, closed backdoors, and offered one year of identity theft monitoring.

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Incident timeline

undetected · 82 days

discovery → filing · 7 weeks / 50 days

Jun 1, 2018

Begins

Aug 22, 2018

Discovered

Oct 11, 2018

Filed

vs. sector median

on median

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

Oregon State AGbd_62e301b01675a2e52018-10-11Verified
Massachusetts State AGbd_8cdd444d13b362af2018-10-10 · +1dVerified
California State AGbd_ec80e448916c7d162018-10-10 · +1dVerified
Montana State AGbd_9cc81320a65d2dcc2018-09-21 · +20dCandidate

Show 1 more filing ↓up to 20d gap

New Hampshire State AGbd_ad7ee2e7eff93f552018-09-21 · +20dVerified

Name: Shein
norm: shein
Domain: shein.com

Name: Shein
norm: shein
Domain: shein.com
Industry: Retail & Consumerllm

Discovered: Aug 22, 2018
Breach occurred: Jun 1, 2018 – Aug 1, 2018
Undetected for: 82 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 21, 2018
Affected individuals: 6,420,000scope not determined
Data types: PIICredentials
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notifying the proper authorities
Initial access: exploit_public_facing

During the incident: Hired a leading international forensic cybersecurity firm
Hired an international law firm to conduct a thorough investigation
Scanned servers and removed malware
Closed and removed back door entry points
Continued to closely monitor the network and servers
Sending customer notices that provide instructions for resetting passwords
Offering one year of identity theft monitoring to affected customers
Changes made: Implementing new safeguards to prevent any future breaches
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 weeks(50 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 ↗

Montana State AGSep 21 · first

New Hampshire State AGSep 21 · first

Massachusetts State AG+19d

California State AG+19d

Oregon State AG+20d

Washington State AG+20d · this page

Pattern: first filing Sep 21 (MT), last Oct 11 (WA) — a 20-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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/BreachM10581.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 11, 2018
Raw hash: 0c9d3bed4bd302c9292448bb83976db7a2182ba6da54d7ae0cec148d0e7559d7

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityShein

Victim entityShein

Incidentdiscovered Aug 22, 2018

Stated responseHired a leading international forensic cybersecurity firm

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com