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Cyber Threat
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Ransomware victim Financial Services

Tobin & Company

Listed by Wallstreet on · organisation based in United States

tobinandco.com

Disclosed
Sep 25, 2026
Leak-site listing date
Threat group
Wallstreet
54 victims listed
Country
United States
#1 most targeted
Sector
Financial Services

ThreatAI analysis

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

Tobin & Company was listed on Wallstreet's dark web leak site on September 25, 2026, the accounting firm provides accounting, tax, auditing and business consulting services to nonprofit organizations.

About Tobin & Company

Tobin & Company, CPA’s is a small accounting firm based in Harrison, New York, providing accounting, tax, auditing, and business consulting services, with a particular focus on nonprofit organizations.

Source record: ransomware.live

About the Wallstreet group

Wallstreet has listed 28 victims since June 2026.

Incident analysis

Tobin & Company was listed by Wallstreet ransomware, a group with 54 victims recorded in this database. The listing appeared on the group's leak site on September 25, 2026.

Tobin & Company is based in United States and operates in the Financial Services sector. United States ranks #1 worldwide for ransomware disclosures, with 10,138 victims in this database.

Sector context. Financial sector organisations are targeted for their access to funds, sensitive financial data, and the reputational damage a public breach can cause. Regulatory requirements also increase recovery costs.

Wallstreet typically follows a double extortion model: data is exfiltrated from the victim's systems before files are encrypted, so the victim faces two demands at once — pay to restore access, and pay to keep stolen data unpublished. The leak site, where this listing appeared, is the lever for the second demand.

Source. Public leak-site disclosures aggregated via the ransomware.live API. The disclosure date is when the listing was published, which can differ from the date of compromise. This site does not publish or link to stolen data. Last updated .

Frequently asked questions

Was Tobin & Company attacked by ransomware?

Yes. Tobin & Company was listed as a victim of the Wallstreet ransomware group on September 25, 2026. The organisation is based in United States and operates in the Financial Services sector. The disclosure appeared on the group's dark web leak site.

Which ransomware group attacked Tobin & Company?

Tobin & Company was attacked by Wallstreet ransomware. Wallstreet is one of the most active ransomware groups, having claimed 54 victims globally. The group typically employs a double-extortion model: encrypting the victim's files and threatening to publish stolen data.

When did the Tobin & Company ransomware attack occur?

The ransomware attack on Tobin & Company was disclosed on September 25, 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 Tobin & Company ransomware attack?

The specific data stolen from Tobin & Company 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 Financial Services organisation, Tobin & Company likely held financial records, client data, and transaction histories.

How can organisations protect against Wallstreet attacks?

To defend against Wallstreet 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.