HackingRetail & ConsumerTechnologyRetailStolen CredentialsCapture Stored DataData ExfiltratedTargetedPIICredentialsIdentity (basic)HighActive

Shein

bd_ad7ee2e7eff93f55 · schema v1 · pii pii-v1

Severity

High

Discovered

Aug 22, 2018

Filed

Sep 21, 2018

To disclose

4 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 data breach affecting approximately 6.42 million individuals. The breach, occurring between June and August 2018, resulted in the theft of email addresses and encrypted passwords. 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 · 4 weeks / 30 days

Jun 1, 2018

Begins

Aug 22, 2018

Discovered

Sep 21, 2018

Filed

vs. sector median

3 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_9cc81320a65d2dcc2018-09-21Candidate
Massachusetts State AGbd_8cdd444d13b362af2018-10-10 · +19dVerified
California State AGbd_ec80e448916c7d162018-10-10 · +19dVerified
Washington State AGbd_163ba3e0e55e255c2018-10-11 · +20dVerified

Show 1 more filing ↓up to 20d gap

Oregon State AGbd_62e301b01675a2e52018-10-11 · +20dVerified

Name: Shein
norm: shein
Domain: shein.com

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

Discovered: Aug 22, 2018
Breach occurred: Jun 1, 2018 – Aug 1, 2018
Undetected for: 82 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 6,420,000scope not determined
Data types: PIICredentialsIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
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
Continued to closely monitor the network and servers
Scanned SHEIN servers and removed malware
Closed and removed 'back door' entry points
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: 4 weeks(30 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 · this page

Massachusetts State AG+19d

California State AG+19d

Washington State AG+20d

Oregon State AG+20d

Pattern: first filing Sep 21 (MT), last Oct 11 (OR) — 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://mm.nh.gov/files/uploads/doj/remote-docs/shein-20180921.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 21, 2018
Raw hash: eb4aed51b325f83ce14b39f3a003c84e86dfe9d22ec6a71b4eef4298e35d774d

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 provenancemm.nh.gov