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Incident

Spargo

Incident posture

Attack window
Mar 2021
Location
United States of America
Status
Historical
CIA posture
Available to members
Updated
2026-02-04 13:00

Linked entities

Victim
Spargo
Threat actors
0 actors
Sources
1 source

Timeline

Occurred
Mar 2021
Discovered
Pending
Disclosed
Pending
Resolved
Pending

Summary

A Washington, D.C.-area event-management firm experienced a ransomware attack that encrypted its systems and rendered backups unusable, requiring acquisition of a decryption key from the attackers via a third-party firm. The Sodinokibi ransomware incident potentially exposed attendee phone numbers, physical addresses, and email addresses, leading to law enforcement involvement and client notifications regarding data compromise.

Motives

Detailed motive labels are available to members.

1 motive

TTPs

Detailed technique labels are available to members.

1 technique

Description

On March 14, 2021, Spargo Inc., a Washington, D.C.-area event-management firm, experienced a ransomware attack that encrypted the majority of its servers and files. The attackers rendered the company’s backups unusable, severely disrupting operations. Spargo engaged a third-party investigation firm to negotiate with the attackers, ultimately obtaining a decryption key to restore its systems. The decryption process was ongoing at the time of the March 22, 2021, reporting. The company confirmed the involvement of Sodinokibi ransomware, a strain known since 2019 for high-profile attacks such as the Travelex disruption in December of that year. The Armed Forces Communications and Electronics Association (AFCEA), a Spargo client, notified individuals that the incident may have exposed their phone numbers, physical addresses, and email addresses if they had attended AFCEA events. Law enforcement agencies were actively investigating the breach.

Spargo, which reported over $100 million in annual revenue from exhibits and sponsorships, faced operational paralysis due to the encryption of critical systems. The incident highlighted vulnerabilities in backup resilience, as the company could not rely on its backups for recovery without the decryption key. While no financial losses or production halts were explicitly stated for Spargo (unlike the separately reported Sierra Wireless attack), the breach underscored the persistent ransomware threat facing U.S. businesses. The Department of Homeland Security’s Cybersecurity and Infrastructure Security Agency (CISA) acknowledged the broader challenge, noting ransomware’s continued economic viability for attackers despite a new $25 million federal initiative to combat such threats. No additional technical specifics about Spargo’s detection methods, initial attack vectors, or full data compromise scope were disclosed in the available reporting.

Sources

Sources available to members: 1 source.

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