HackingTechnologyInformationStolen CredentialsTargetedAuthenticationCredentialsPIILowContained

Mathway LLC

bd_c0ead09e879f9683 · schema v1 · pii pii-v1

Severity

Low

Discovered

May 15, 2020

Filed

May 22, 2020

To disclose

7 days

Affected

500state residents only

Linked

4 filings

Confidence

70%

Full breach record for Mathway LLC →3 incidents on file

Mathway, LLC notified the Washington AG that an unauthorized party acquired customer account data, specifically email addresses and hashed/salted passwords, affecting over 500 state residents. The breach was discovered on May 15, 2020, following a tip. Mathway engaged forensic investigators, coordinated with law enforcement, and required password resets for affected users.

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Date basis clock✓ Clock withheld · confirmation date7 days 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

discovery → filing · 7 days

May 15, 2020

Discovered

May 22, 2020

Filed

vs. sector median

18 wks faster

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

California State AGbd_1d0c4f5f17d059802020-05-22Candidate
Delaware State AGbd_4f5c37a009f33d0b2020-05-22Verified
Oregon State AGbd_b19bb802f8cf8e852020-05-22Verified

Name: Mathway LLC
norm: mathway
Domain: mathway.com

Name: Mathway LLC
norm: mathway
Domain: mathway.com
Industry: Technologyllm

Discovered: May 15, 2020
Materiality determined: —
Notification sent: May 22, 2020
Affected individuals: 500state-resident count only
Data types: AuthenticationCredentialsPII
Data elements: Username + password
WA-stated cause: Cyberattack
WA-stated duration: lifecycle Unknowndexposure Unknownd
WA-stated discovery: Found after the fact
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Notified Washington Attorney General's Office
Initial access: valid_credentials

During the incident: Retained a leading data security firm to investigate
Engaged outside cybersecurity specialists to investigate
Working with external cybersecurity experts to investigate this incident, address any vulnerabilities, and remediate the incident
Requiring that all affected individuals change their passwords
Coordinating with law enforcement to investigate the incident
Introduced additional security measures
Continue to monitor our systems for unauthorized access
Changes made: Address any vulnerabilities
Remediate the incident
Introduced additional security measures
Continue to monitor our systems for unauthorized access
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 days(7 days from discovery to filing)
Compliance flags: Clock withheld · confirmation date

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

California State AGMay 22 · first

Delaware State AGMay 22 · first

Oregon State AGMay 22 · first

Washington State AGMay 22 · first · this page

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/BreachM10551.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 22, 2020
Raw hash: 0db87e557c7666ebfad38fe08d24bbe150ea4b7352486f4fba0692dbc0886fd9

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityMathway LLC

Victim entityMathway LLC

Incidentdiscovered May 15, 2020

Stated responseRetained a leading data security firm to investigate

ComplianceClock withheld · confirmation date

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com