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Incident

University of Louisville

Incident posture

Attack window
Apr 2017
Location
United States of America
Status
Historical
CIA posture
Available to members
Updated
2025-12-07 00:00

Linked entities

Victim
University of Louisville
Threat actors
0 actors
Sources
1 source

Timeline

Occurred
Apr 2017
Discovered
Pending
Disclosed
Pending
Resolved
Pending

Summary

A cybersecurity breach at the University of Louisville resulted in unauthorized access to an online system housing employee tax documents. The incident compromised W-2 forms belonging to 83 individuals, exposing sensitive tax information through unauthorized downloads or access without institutional or employee consent.

Motives

Detailed motive labels are available to members.

1 motive

TTPs

Detailed technique labels are available to members.

2 techniques

Description

In early April 2017, the University of Louisville discovered unauthorized access to its online tax document system, which employees used to retrieve W-2 forms. The breach occurred when an attacker successfully compromised the system and downloaded or viewed tax information without authorization. University officials, including Director of Media Relations John Karman, confirmed the incident on April 7 after completing their initial investigation. The intrusion specifically targeted employee tax records, though the exact method of system infiltration remained undisclosed by the university. Forensic analysis determined that 83 employees had their W-2 forms accessed during the breach. The university did not publicly specify whether the attack originated externally or involved insider threats, nor did they identify the perpetrator or motive. Detection timelines suggested the compromise was identified shortly before the April 7 announcement, though the initial intrusion date wasn't disclosed. No evidence indicated broader university systems beyond the tax portal were affected.

The compromised W-2 forms contained sensitive personal and financial data, including Social Security numbers and income details, exposing affected employees to potential identity theft and tax fraud. The university promptly notified all 83 impacted individuals about the breach but did not disclose whether credit monitoring services were offered. No public reports emerged confirming misuse of the stolen data in subsequent months. University administrators emphasized their commitment to securing systems but provided no specifics about enhanced security measures implemented post-breach. The incident drew attention to vulnerabilities in centralized tax document portals used by educational institutions. Financial and operational consequences for the university appeared limited beyond reputational damage and breach response costs, with no reported regulatory fines or lawsuits linked to the event in available records.

Sources

Sources available to members: 1 source.

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