DisclosureLens
HackingFinancial ServicesFinanceStolen CredentialsSupply Chain (3P Vendor)Customer Data InvolvedDelayed DiscoveryIdentity (basic)Government IDHighContained

MORGAN STANLEY

bd_2bbc0c7d3717c282 · schema v1 · pii pii-v1

Severity

High

Discovered

May 20, 2021

Filed

Jul 2, 2021

To disclose

6 weeks

Affected

2,080state residents only

Linked

8 filings

Confidence

67%
Full breach record for MORGAN STANLEY →15 incidents on file

Morgan Stanley notified the Washington AG of a data breach involving vendor Guidehouse. An unauthorized individual exploited the Accellion FTA vulnerability to access encrypted files containing PII (names, addresses, DOB, SSNs) of StockPlan Connect participants. Morgan Stanley was notified on May 20, 2021. 2,080 Washington residents were affected. Credit monitoring was offered.

Washington clock⏱ WA AG >30d6 weeks discovery → filing
⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 139 days
discovery → filing · 6 weeks / 43 days

Jan 1, 2021

Begins

May 20, 2021

Discovered

Jul 2, 2021

Filed

vs. sector median

2 wks faster

This filing is one of 8 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (7) · sorted by filing gap

Show 3 more filings ↓up to 5d gap

Filing propagation · 8 filings · 7 states

View merged incident ↗
California State AGJul 2 · first
Montana State AGJul 2 · first
Massachusetts State AGJul 2 · first
Indiana State AGJul 2 · first
Oregon State AGJul 2 · first
New Hampshire State AGJul 2 · first
Washington State AGJul 2 · first · this page
New Hampshire State AG+5d

Pattern: first filing Jul 2 (CA), last Jul 7 (NH) — a 5-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.