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Incident

Allergy Partners

Incident posture

Attack window
Feb 2020
Location
United States of America
Status
Historical
CIA posture
Available to members
Updated
2025-10-31 00:00

Linked entities

Victim
Allergy Partners
Threat actors
0 actors
Sources
1 source

Timeline

Occurred
Feb 2020
Discovered
Pending
Disclosed
Pending
Resolved
Pending

Summary

A ransomware attack targeted a healthcare organization specializing in allergy services, causing an eight-day network outage that disrupted operations at multiple offices. The incident prevented staff from administering critical allergy shots and prompted an FBI investigation. Attackers demanded a $1.75 million ransom, though no data leaks appeared on dark web platforms at the time of reporting. This marked the second publicly disclosed ransomware incident affecting an allergy practice that week, though no connection between the attacks was established.

Motives

Detailed motive labels are available to members.

2 motives

TTPs

Detailed technique labels are available to members.

1 technique

Description

The ransomware attack on Allergy Partners began on February 23, 2020, disrupting operations across multiple locations in the mountains, with specific impacts reported at the Asheville and Arden offices. The cyber intrusion persisted for eight consecutive days, during which attackers encrypted network systems and demanded a ransom payment of $1.75 million to restore access. This network outage severely impaired clinical operations, preventing staff from administering critical allergy shots to patients at the affected facilities. The Asheville Police Department documented the financial demand in an official report, confirming the attackers' ransom ultimatum. No patient data exfiltration or Dark Web leaks were reported during the initial disclosure period, distinguishing it from typical double-extortion ransomware incidents.

Federal authorities, including the FBI, initiated an investigation into the attack's origin and threat actors, though no attribution details were publicly confirmed. The incident marked the second disclosed ransomware attack against an allergy practice that week, following Atlanta Allergy & Asthma's breach by Nefilim ransomware operators. While both attacks occurred within close temporal proximity, no forensic evidence or threat intelligence linked the two incidents at the time of reporting. Allergy Partners' systems remained absent from dedicated Dark Web leak sites during the initial response phase, suggesting potential differences in attacker methodology or negotiation outcomes compared to the Atlanta case. Operational disruptions persisted throughout the eight-day attack duration until systems were restored through unspecified recovery measures.

Sources

Sources available to members: 1 source.

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