HackingTelecom & MediaInformationStolen CredentialsEmployee Data InvolvedIdentity (basic)Government IDMediumContained

San Francisco Symphony

bd_5d4df6cf5c3c3e79 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 22, 2021

Filed

Nov 17, 2021

To disclose

8 weeks

Affected

Not disclosed

Linked

4 filings

Confidence

65%

Full breach record for San Francisco Symphony →

San Francisco Symphony disclosed that an unknown person accessed one company email account between September 7 and September 22, 2021. The incident involved names, addresses, social security numbers, dates of birth, and email account information of employees, former employees, and temporary employees. The organization engaged a forensic firm, secured systems, and offered identity theft protection services.

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California clockDiscovered Sep 22, 2021 → Notified Nov 17, 202156d ✓ CA 60-day OK8 weeks discovery → filing

Incident timeline

undetected · 15 days

discovery → filing · 8 weeks / 56 days

Sep 7, 2021

Begins

Sep 22, 2021

Discovered

Nov 17, 2021

Filed

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

Indiana State AGbd_21f5627a46912c1f2021-11-17Verified
Massachusetts State AGbd_4f9c4197afc1b62a2021-11-19 · +2dVerified
Massachusetts State AGbd_9b05d4886ad7078f2021-12-17 · +30dCandidate

Name: San Francisco Symphony
norm: san francisco symphony
Domain: sfsymphony.org

Name: San Francisco Symphony
norm: san francisco symphony
Domain: sfsymphony.org
Industry: Telecom & Mediallm

Discovered: Sep 22, 2021
Breach occurred: Sep 7, 2021 – Sep 22, 2021
Undetected for: 15 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 17, 2021
Affected individuals: Not disclosed
Data types: Identity (basic)Government ID
Data elements: Social Security numberDate of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: External
Initial access: valid_credentials

During the incident: Took prompt steps to secure our systems
Changed passwords for this and other accounts
Commenced an investigation including engaging an expert forensic investigation firm
Offering identity theft protection services through IDX
Changes made: Reviewing our systems and controls
Reviewing how we store information
Reviewing how we train employees
Implementing related safeguards such as multi-factor authentication
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(56 days from discovery to filing)
Compliance flags: CA 60-day OK · 56d
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: Sep 22, 2021
→ Notified: Nov 17, 2021
56d 60 days (analyst band, pre-2026 discoveries) CA 60-day OK

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Sep 22, 2021 → Notified: Nov 17, 2021	56d	60 days (analyst band, pre-2026 discoveries)	CA 60-day OK

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 3 states

View merged incident ↗

Indiana State AGNov 17 · first

California State AGNov 17 · first · this page

Massachusetts State AG+2d

Massachusetts State AG+30d

Pattern: first filing Nov 17 (IN), last Dec 17 (MA) — a 30-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/sb24-547681
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 17, 2021
Raw hash: a7996a6ff67a64ceb28cf4244730e7aee21ab3fc0d07530720a2fe0c8a566919

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entitySan Francisco Symphony

Victim entitySan Francisco Symphony

Incidentdiscovered Sep 22, 2021

Stated responseTook prompt steps to secure our systems

ComplianceCA 60-day OK

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov