CSIDB logo
Incident

City of Pittsburg, Kansas

Incident posture

Attack window
Jan 2018
Location
United States of America
Status
Historical
CIA posture
Available to members
Updated
2025-11-30 00:00

Linked entities

Victim
City of Pittsburg, Kansas
Threat actors
0 actors
Sources
1 source

Timeline

Occurred
Jan 2018
Discovered
Pending
Disclosed
Pending
Resolved
Pending

Summary

A phishing scheme targeting employee payroll data compromised sensitive W-2 information for current and former employees of the City of Pittsburg. The attack, characterized as a social engineering effort rather than a technical breach of city systems, led to unauthorized disclosure of tax-related personal details. The municipality promptly notified law enforcement, federal agencies, and affected individuals within 24 hours while offering complimentary identity theft protection services including financial monitoring, stolen funds reimbursement, and a $1 million service guarantee. City leadership acknowledged the incident stemmed from deceptive tactics exploiting human vulnerabilities rather than system failures, emphasizing enhanced future safeguards for sensitive data protection.

Motives

Detailed motive labels are available to members.

1 motive

TTPs

Detailed technique labels are available to members.

1 technique

Description

On January 30, 2018, the City of Pittsburg, Kansas, experienced a data breach involving unauthorized access to employee W-2 forms through a phishing scheme. Attackers impersonated company executives via email, exploiting tax season timing to deceive city personnel into disclosing sensitive payroll information. The compromised data included W-2 details for current and former employees who had received tax documentation for the 2017 fiscal year. The breach did not involve technical infiltration of the city’s network systems or firewall, confirming it as a socially engineered attack rather than a network security failure. No evidence indicated misuse of the stolen data at the time of discovery. City officials detected the incident promptly and initiated response protocols within 24 hours, notifying the Pittsburg Police Department, IRS, and FBI to coordinate investigative efforts. Affected individuals received direct notifications from the city outlining the breach’s scope and immediate protective measures.

The City of Pittsburg implemented a multi-phase response, including complimentary 12-month identity theft protection services through a third-party contractor. These services covered financial account monitoring, stolen funds reimbursement, and a $1 million service guarantee per affected account. City Manager Daron Hall publicly acknowledged the incident, emphasizing the social engineering nature of the attack and the city’s commitment to enhancing safeguards against future threats. The IRS had previously identified similar W-2 phishing schemes as emerging tax-season risks, where fraudulent actors masquerade as organizational leaders to harvest employee data. While the exact number of impacted individuals remained undisclosed, the city confirmed all 2017 W-2 recipients were potentially exposed. Technical support and enrollment assistance were extended to victims, alongside ongoing cooperation with federal law enforcement agencies to mitigate downstream fraud risks.

Sources

Sources available to members: 1 source.

CSIDB