Cyber Threat Intelligence
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Ransomware Victim

macallister.com

Ransomware attack by Chaos · Disclosed August 28, 2026 · 🇬🇧 United Kingdom

macallister.com

Date Disclosed
Aug 28, 2026
2026
Threat Group
Chaos
87 total victims
Country
🇬🇧 United Kingdom
Industry
—

ThreatAI Analysis

Compiled from this incident record and the threat intelligence profile for Chaos. Figures and technique mappings are quoted from the source data, not inferred.

Macallister.com was listed on Chaos's dark web leak site operated by the cyber group on 28 August 2026; macallister.com is based in United Kingdom.

About the Chaos group

Chaos is a ransomware-as-a-service operation that emerged in early 2025, likely formed by former BlackSuit/Royal members, offering cross-platform ransomware for Windows, Linux, ESXi, and NAS to affiliates recruited on the RAMP dark web forum, excluding CIS/BRICS countries and hospitals from targeting. Chaos has listed 79 victims since February 2025.

Incident Analysis

macallister.com was targeted by Chaos ransomware, one of the most active ransomware groups in our database with 87 confirmed victims globally. The attack was disclosed on August 28, 2026, when macallister.com appeared on the group's dark web leak site.

macallister.com is based in United Kingdom . United Kingdom ranks #4 globally for ransomware attacks, with 892 victims in our database.

Chaos typically employs a double extortion model: first exfiltrating sensitive data from the victim's systems, then deploying ransomware to encrypt files. Victims face two simultaneous threats — paying to restore access and paying to prevent publication of stolen data. The group's leak site publishes victim names and exfiltrated data as leverage.

Data source: This incident record is sourced from public ransomware group leak site disclosures aggregated via the ransomware.live API. Disclosure date reflects when the victim was published on the leak site, which may differ from the initial date of compromise. This platform does not publish or link to stolen data. Last data update: Sep 6, 2026 00:00 UTC.

Frequently Asked Questions

Was macallister.com attacked by ransomware?

Yes. macallister.com was listed as a victim of the Chaos ransomware group on August 28, 2026. The organisation is based in United Kingdom. The disclosure appeared on the group's dark web leak site.

Which ransomware group attacked macallister.com?

macallister.com was attacked by Chaos ransomware. Chaos is one of the most active ransomware groups, having claimed 87 victims globally. The group typically employs a double-extortion model: encrypting the victim's files and threatening to publish stolen data.

When did the macallister.com ransomware attack occur?

The ransomware attack on macallister.com was disclosed on August 28, 2026. This date reflects when the victim was published on the threat group's leak site, which may differ from the actual date of initial compromise.

What data was stolen in the macallister.com ransomware attack?

The specific data stolen from macallister.com has not been independently verified by this platform. Ransomware groups typically exfiltrate data before encrypting systems and use the threat of publication to pressure victims. Sensitive business data was likely targeted.

How can organisations protect against Chaos attacks?

To defend against Chaos and similar threat actors, organisations should: maintain regular offline backups tested for restoration; implement network segmentation to limit lateral movement; deploy multi-factor authentication on all remote access; use endpoint detection and response (EDR) tools; conduct regular phishing and security awareness training; and monitor threat intelligence feeds for indicators of compromise (IOCs) associated with active groups.