HackingEducationEducationCustomer Data InvolvedPIIGovernment IDIdentity (basic)HighResolved

STRIDE, INC.

bd_4d30d9a2593863a1 · schema v1 · pii pii-v1

Severity

High

Discovered

May 19, 2021

Filed

Jun 11, 2021

To disclose

23 days

Affected · nationwide

13,74026 in this filing

Linked

9 filings

Confidence

75%

Full breach record for STRIDE, INC. →2 incidents on file

Stride, Inc. experienced an external system breach (hacking) that occurred from November 4, 2020, to November 19, 2020. The breach was discovered on May 19, 2021. The compromised information includes names or other personal identifiers in combination with Social Security Numbers. A total of 13,740 individuals were affected, including 26 Maine residents. Affected individuals were notified in writing on June 11, 2021, and offered 12 months of credit monitoring and identity protection services through Experian.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered May 19, 2021 → Filed with AG Jun 11, 202123d ✓ ME AG ≤30d23 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 · 196 days

discovery → filing · 23 days

Nov 4, 2020

Begins

May 19, 2021

Discovered

Jun 11, 2021

Filed

vs. sector median

4 wks faster

This filing is one of 9 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (8) · sorted by filing gap

Indiana State AGbd_2e01c9fd34f00d2a2021-06-11Verified
Massachusetts State AGbd_59ec8c2650ce194a2021-06-11Verified
Montana State AGbd_ffe7a3018f9a03f82021-06-11Candidate
New Hampshire State AGbd_ad9939063527aa5a2021-06-18 · +7dVerified

Show 4 more filings ↓up to 31d gap

Maine State AGbd_138e1dab0273cd232021-07-06 · +25dVerified
Oregon State AGbd_19dc41e91d1ea0b92021-07-06 · +25dVerified
California State AGbd_305cdfe9ea057df02021-07-06 · +25dVerified
New Hampshire State AGbd_334e4aad324d39722021-07-12 · +31dVerified

Name: STRIDE, INC.
norm: stride

Name: STRIDE, INC.
norm: stride
Industry: Educationllm

Discovered: May 19, 2021
Breach occurred: Nov 4, 2020 – Nov 19, 2020
Undetected for: 196 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 11, 2021
Affected individuals: 13,740state + nationwide
Data types: PIIGovernment IDIdentity (basic)
Data elements: Social Security number
Attack vector: Unauthorized Access

Changes made: Offered 12 months of credit monitoring and identity protection services through Experian.
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 23 days(23 days from discovery to filing)
Compliance flags: ME AG ≤30d · 23d
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.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: May 19, 2021
→ Filed with AG: Jun 11, 2021
23d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: May 19, 2021 → Filed with AG: Jun 11, 2021	23d	30 days	ME AG ≤30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 9 filings · 7 states

View merged incident ↗

Indiana State AGJun 11 · first

Massachusetts State AGJun 11 · first

Montana State AGJun 11 · first

Maine State AGJun 11 · first · this page

New Hampshire State AG+7d

Maine State AG+25d

Oregon State AG+25d

California State AG+25d

New Hampshire State AG+31d

Pattern: first filing Jun 11 (IN), last Jul 12 (NH) — a 31-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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/b44f9c95-853e-4502-84c3-a3885461ebc0.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 11, 2021
Raw hash: 9f705eedcff58156343616ac213610db34ce1dae4e5276bd41abf61635c3ed7d

Linked disclosures

Regulatory filings (8) · sorted by filing gap

Reporting entitySTRIDE, INC.

Victim entitySTRIDE, INC.

Incidentdiscovered May 19, 2021

Stated responseOffered 12 months of credit monitoring and identity protection services through Experian.

ComplianceME AG ≤30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov