MalwareEducationEducationRansomwareRansom DemandedRansom PaidData EncryptedCustomer Data InvolvedIdentity (basic)Financial accountLowContained

STRIDE, INC.

bd_305cdfe9ea057df0 · schema v1 · pii pii-v1

Severity

Low

Discovered

Nov 11, 2020

Filed

Jul 6, 2021

To disclose

34 weeks

Affected

Not disclosed

Linked

9 filings

Confidence

65%

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

Stride, Inc. experienced a ransomware attack between November 4 and November 19, 2020, discovered on November 11, 2020. The attacker encrypted files and demanded ransom. Stride paid the ransom to prevent data release. Affected data included names and financial account information (implied by credit monitoring offer). Stride engaged forensics, notified law enforcement, and offered credit monitoring.

J jump to incidentP pin to compareR raw source

California clockDiscovered Nov 11, 2020 → Notified Jul 2, 2021233d ✗ CA 60-day late34 weeks discovery → filing

Incident timeline

undetected · 7 days

discovery → filing · 34 weeks / 237 days

Nov 4, 2020

Begins

Nov 11, 2020

Discovered

Jul 6, 2021

Filed

vs. sector median

+27 wks slower

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

Maine State AGbd_138e1dab0273cd232021-07-06Verified
Oregon State AGbd_19dc41e91d1ea0b92021-07-06Verified
New Hampshire State AGbd_334e4aad324d39722021-07-12 · +6dVerified
New Hampshire State AGbd_ad9939063527aa5a2021-06-18 · +18dVerified

Show 4 more filings ↓up to 25d gap

Indiana State AGbd_2e01c9fd34f00d2a2021-06-11 · +25dVerified
Maine State AGbd_4d30d9a2593863a12021-06-11 · +25dCandidate
Massachusetts State AGbd_59ec8c2650ce194a2021-06-11 · +25dVerified
Montana State AGbd_ffe7a3018f9a03f82021-06-11 · +25dCandidate

Name: STRIDE, INC.
norm: stride

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

Discovered: Nov 11, 2020
Breach occurred: Nov 4, 2020 – Nov 19, 2020
Undetected for: 7 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 2, 2021
Affected individuals: Not disclosed
Data types: Identity (basic)Financial account
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: ExternalFinancial
Regulator citations: Notified federal law enforcement authorities

During the incident: Locked down impacted systems
Notified federal law enforcement authorities
Began working with an industry-leading third-party forensics team to investigate and assist with the incident
Made a payment to the ransomware attacker
Initiated a comprehensive review, with the assistance of industry-leading forensics specialists, to identify any information of individuals contained in the files affected by the incident
Undertook a comprehensive internal effort to reconcile the results of the third-party review and find contact information for the affected individuals
Engaged an industry-leading third-party specialist to conduct a search for the data on the Internet (including the “dark web”)
Changes made: Reviewing and enhancing existing policies and procedures to reduce the likelihood of a similar future event
Offering access to complimentary credit monitoring and identity protection services for 12 or 24 months through Experian
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 34 weeks(237 days from discovery to filing)
Compliance flags: CA 60-day late · 233d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
California
Discovered: Nov 11, 2020
→ Notified: Jul 2, 2021
233d 60 days (analyst band, pre-2026 discoveries) CA 60-day late

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Nov 11, 2020 → Notified: Jul 2, 2021	233d	60 days (analyst band, pre-2026 discoveries)	CA 60-day late

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 9 filings · 7 states

View merged incident ↗

Indiana State AGJun 11 · first

Maine State AGJun 11 · first

Massachusetts State AGJun 11 · first

Montana State AGJun 11 · first

New Hampshire State AG+7d

Maine State AG+25d

Oregon State AG+25d

California State AG+25d · this page

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://oag.ca.gov/ecrime/databreach/reports/sb24-542602
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 6, 2021
Raw hash: 4c9faf388e04e3148ecdecdb5a5c038e66e2140e9ac45388f7fd867c4a7cf9da

Linked disclosures

Regulatory filings (8) · sorted by filing gap

Reporting entitySTRIDE, INC.

Victim entitySTRIDE, INC.

Incidentdiscovered Nov 11, 2020

Stated responseLocked down impacted systems

ComplianceCA 60-day late

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov