ELEVATED RISK BREACH

CalSTRS Data Breach


Status: Confirmed

1.1M+Records
Nov, 2024Breach
11/13/24Data Posted
6/10Severity
ModerateThreat Level

Breach Intelligence Summary


Entity: CalSTRS · Actor: Unknown · Source: DataBreach.com / ObscureIQ intelligence

Attack: Data Exfiltration via Under investigation

Timeline: Breach (Nov, 2024) · Reported (Nov, 2024) · Leak (11/13/24)

Exposure: 1.1M+ records · Email, Phone Number, Name, Home Address

Status: Confirmed · Risk: Moderate (Phishing / SIM swap)

Summary

The CalSTRS breach impacted over 415 000 records exposing personal information of California teachers and retirees including names employment details, and other potentially identifying data. This large-scale exposure affects a significant number of public-sector employees and retirees.

About CalSTRS

CalSTRS is the organization affected by this breach. User data may have been generated through account creation, service usage, or business operations.

If you have interacted with CalSTRS in any capacity, your data may be included in this breach.

Threat Actor: Unknown

The threat actor responsible for this breach has not been publicly identified or confirmed at this time.

Reported or suspected access method:
  • Under investigation

Breach Exploitation Status

Threat Activity:
Moderate
Signal
Status
Dark web marketplace listings
Detected
Credential stuffing list overlap
Possible
Phishing campaign relevance
Possible
Ransomware affiliate crossover
Unknown
Law enforcement investigation visibility
Unknown

Data Longevity:
3–5 years

Phone numbers and addresses change over time but remain valid long enough for sustained exploitation campaigns.

Data Points Exposed

Data observed in the leaked dataset:
Email
Phone Number
Name
Home Address
Not confirmed in dataset:
Passwords (plaintext)
Social Security Numbers
Payment card data

Dark Web Verification

Status: Confirmed

  • Dataset containing approximately 1.1M+ records has been identified in breach intelligence sources.
  • The data is indexed and searchable across breach notification platforms.

Impact

This breach carries moderate risk due to the nature of exposed data fields and the scale of affected records.

Primary downstream threats include:
  • Targeted phishing referencing CalSTRS accounts or services
  • SIM-swap attempts where phone numbers are present
  • Physical mail scams and address-based identity verification fraud
  • Data broker enrichment and resale

Recommendations for Impacted Individuals

If you believe your information may be included:

Check Your Exposure
If you are an ObscureIQ client, this breach has been indexed into your exposure profile.
Non-clients may request a breach impact review.
Expect Targeted Phishing
Watch for messages referencing:
CalSTRS account updates
Password reset requests
Verify directly through official channels.
Secure Your Email and MFA
Enable MFA immediately on email first, then financial platforms.
Email compromise is often the first pivot point.
Rotate Reused Passwords
Change any credentials shared with your CalSTRS account across other services.
Monitor Financial Accounts
Monitor accounts associated with your exposed email for unauthorized activity.
Suppress Personal Data
Remove exposed addresses, phone numbers, and enrichment data from broker networks and search engines.

Frequently Asked Questions

What happened in the CalSTRS data breach?

In Nov, 2024, CalSTRS experienced a data breach that resulted in the exposure of approximately 1.1M+ records containing personal information.

What data was exposed in the CalSTRS breach?

The exposed data includes Email, Phone Number, Name, Home Address.

How many records were affected in the CalSTRS breach?

Approximately 1.1M+ records were affected based on current breach intelligence.

Is the CalSTRS breach confirmed?

Yes. This breach is treated as confirmed based on data observed in breach intelligence platforms.

Is the CalSTRS breach data being used by criminals?

Data circulation has been detected across breach-sharing channels. Downstream exploitation risk exists based on the nature of the exposed fields.

What should I do if I was affected by the CalSTRS breach?

Rotate passwords associated with CalSTRS, enable multi-factor authentication on email and financial accounts, and monitor for suspicious activity.

Protect Yourself

Check If You’re Affected

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High-Risk? Get an Exposure Audit

Executives, public figures, and high-net-worth individuals face elevated risk. Our team provides full-spectrum exposure audits and threat monitoring.

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Corporate Accountability

Organizations that collect personal data have a duty to implement reasonable safeguards and to notify affected individuals when breaches occur.

Scope assessments may evolve as investigations continue. Users should not rely solely on early estimates when making risk decisions.

ObscureIQ Advisory

We combine proprietary dark web access with commercial and restricted breach intelligence to verify exposure and assess real-world risk.

If you are:
  • A public-facing individual
  • A high-profile executive
  • A customer of CalSTRS
  • Or simply concerned about credential reuse

We can confirm whether your information is circulating and evaluate downstream threat vectors.

Services
AuditsWipesThreat MonitoringTraining

Classification Tags

Data Exfiltration
Email
Phone
Address