HackingEducationEducationVulnerability ExploitTargetedData ExfiltratedIdentity (basic)Government IDMediumContained

California State University, East Bay

bd_d2683a50774cf7c5 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 17, 2018

Filed

Oct 5, 2018

To disclose

18 days

Affected

7state residents only

Confidence

64%

California State University, East Bay disclosed unauthorized access to a web application between March 27, 2017, and September 2, 2018, discovered on September 17, 2018. An unknown third party exploited a vulnerability to access names, addresses, and SSNs. The university removed the app, mitigated vulnerabilities, and offered 12 months of credit monitoring.

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Incident timeline

undetected · 539 days

discovery → filing · 18 days

Mar 27, 2017

Begins

Sep 17, 2018

Discovered

Oct 5, 2018

Filed

vs. sector median

4 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed7 affectedView incident

Name: California State University, East Bay
norm: california state university east bay

Name: California State University, East Bay
norm: california state university east bay
Industry: Educationllm

Discovered: Sep 17, 2018
Breach occurred: Mar 27, 2017 – Sep 2, 2018
Undetected for: 539 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 2, 2018
Affected individuals: 7state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: External
Initial access: exploit_public_facing

During the incident: Commenced an internal investigation
Removed the compromised application from our server
Mitigated vulnerabilities
Completed a forensic investigation
Offered complimentary 12-month credit monitoring service
Changes made: Reevaluated information security practices
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 18 days(18 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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://dojmt.gov/wp-content/uploads/California-State-University-East-Bay.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 5, 2018
Raw hash: a7163daa5421f7e71eefbb30202e4a5bf9c6e301602f016b98302d3828029270

Reporting entityCalifornia State University, East Bay

Victim entityCalifornia State University, East Bay

Incidentdiscovered Sep 17, 2018

Stated responseCommenced an internal investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov