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Incident

Irvington Public Schools

Incident posture

Attack window
Apr 2018
Location
United States of America
Status
Historical
CIA posture
Available to members
Updated
2025-11-29 00:00

Linked entities

Victim
Irvington Public Schools
Threat actors
0 actors
Sources
1 source

Timeline

Occurred
Apr 2018
Discovered
Pending
Disclosed
Pending
Resolved
Pending

Summary

A hacker distributed partial Social Security numbers belonging to more than 1,200 employees via email to an unspecified number of recipients within the Irvington school district. The unauthorized disclosure exposed sensitive personal information of staff members, though the exact method of data acquisition and full scope of impacted individuals remained unclear. The incident highlighted vulnerabilities in the district's data protection measures, resulting in potential identity theft risks for affected personnel.

Motives

Detailed motive labels are available to members.

1 motive

TTPs

Detailed technique labels are available to members.

1 technique

Description

On April 16, 2018, the Irvington Public Schools district experienced a data breach involving unauthorized disclosure of sensitive employee information. A hacker gained access to partial Social Security numbers belonging to more than 1,200 district staff members and distributed this data via email to an unknown number of recipients within the school system. The breach notification email containing the compromised information was sent directly to staff inboxes, exposing the last four digits of employees' Social Security numbers. District officials confirmed the incident but did not disclose how the attacker obtained the data or the specific technical methods used to infiltrate their systems. The attack specifically targeted employee records rather than student data, though the district did not clarify whether other personal information beyond partial SSNs was accessed or exposed during the incident.

The school district publicly acknowledged the breach on the same day the malicious emails were distributed, confirming the exposure of sensitive employee identifiers. While officials did not specify containment measures taken, the disclosure timeline suggests immediate internal investigation and damage assessment following the email distribution. The primary documented impact was the potential risk of identity theft for affected staff members due to exposure of their partial Social Security numbers, though no fraudulent use of the data was confirmed in initial reports. The district did not indicate whether law enforcement was engaged or if credit monitoring services were offered to victims. The incident highlighted vulnerabilities in the protection of employee personal data within educational institution systems, with compromised information being weaponized through direct email communication to staff members.

Sources

Sources available to members: 1 source.

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