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Ransomware Victim Technology

Penfold

Ransomware attack by Storm · Disclosed August 18, 2026 · 🇬🇧 United Kingdom

getpenfold.com

Date Disclosed
Aug 18, 2026
2026
Threat Group
Storm
49 total victims
Country
🇬🇧 United Kingdom
Industry
Technology

ThreatAI Analysis

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

Storm listed Penfold on its dark web leak site on 18 August 2026. The London-based financial tech company provides auto-enrolment compliance and real-time pension tracking for businesses and individuals.

About Penfold

Penfold is a London-based financial technology company founded in 2018 that provides digital workplace and personal pension solutions for businesses, employees, self-employed professionals, freelancers, and limited company directors. The platform simplifies auto-enrolment compliance for employers while offering individuals real-time pension tracking, transparent investment breakdowns, and flexible contribution management via a mobile app and website. Penfold supports pension consolidation, automatic tax relief, and multiple investment plans including a Sharia-compliant option. Investments are managed by BlackRock and HSBC, and the company is authorised and regulated by the Financial Conduct Authority. Over 100,000 people and thousands of businesses across the United Kingdom trust Penfold with their pension savings. The company headquarters is located in The Ministry, 79–81 Borough Road, London, SE1 1DN, United Kingdom. 51-200 Employees

Source record: ransomware.live

About the Storm group

Storm has listed 9 victims since August 2026.

Incident Analysis

Penfold was targeted by Storm ransomware, one of the most active ransomware groups in our database with 49 confirmed victims globally. The attack was disclosed on August 18, 2026, when Penfold appeared on the group's dark web leak site.

Penfold is based in United Kingdom , operating in the Technology sector. United Kingdom ranks #4 globally for ransomware attacks, with 894 victims in our database.

Sector context: Technology companies hold intellectual property, customer data, and source code — all highly valuable assets. A successful ransomware attack can also put downstream customers at risk through supply chain exposure.

Storm 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 7, 2026 14:00 UTC.

Frequently Asked Questions

Was Penfold attacked by ransomware?

Yes. Penfold was listed as a victim of the Storm ransomware group on August 18, 2026. The organisation is based in United Kingdom and operates in the Technology sector. The disclosure appeared on the group's dark web leak site.

Which ransomware group attacked Penfold?

Penfold was attacked by Storm ransomware. Storm is one of the most active ransomware groups, having claimed 49 victims globally. The group typically employs a double-extortion model: encrypting the victim's files and threatening to publish stolen data.

When did the Penfold ransomware attack occur?

The ransomware attack on Penfold was disclosed on August 18, 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 Penfold ransomware attack?

The specific data stolen from Penfold 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. As a Technology organisation, Penfold likely held source code, intellectual property, and customer data.

How can organisations protect against Storm attacks?

To defend against Storm 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.