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Cyber Threat
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Ransomware victim

101 Arch Street

Listed by Weyhro on · organisation based in United States

101archstreet.info

Disclosed
May 8, 2025
Leak-site listing date
Threat group
Weyhro
14 victims listed
Country
United States
#1 most targeted
Sector
Not recorded

ThreatAI analysis

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

About the Weyhro group

Weyhro is a data-extortion group (relying on data theft and leak threats without file encryption) that launched a Tor leak site in March 2025, focusing on manufacturing, financial services, and real estate sectors with victims in the US, Italy, and Canada. Weyhro has listed 14 victims since December 2024.

Incident analysis

101 Arch Street was listed by Weyhro ransomware, a group with 14 victims recorded in this database. The listing appeared on the group's leak site on May 8, 2025.

101 Arch Street is based in United States. United States ranks #1 worldwide for ransomware disclosures, with 9,971 victims in this database.

Weyhro 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files are encrypted, so the victim faces two demands at once — pay to restore access, and pay to keep stolen data unpublished.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 101 Arch Street attacked by ransomware?

Yes. 101 Arch Street was listed as a victim of the Weyhro ransomware group on May 8, 2025. The organisation is based in United States. The disclosure appeared on the group's dark web leak site.

Which ransomware group attacked 101 Arch Street?

101 Arch Street was attacked by Weyhro ransomware. Weyhro is one of the most active ransomware groups, having claimed 14 victims globally. The group typically employs a double-extortion model: encrypting the victim's files and threatening to publish stolen data.

When did the 101 Arch Street ransomware attack occur?

The ransomware attack on 101 Arch Street was disclosed on May 8, 2025. 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 101 Arch Street ransomware attack?

The specific data stolen from 101 Arch Street 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 Weyhro attacks?

To defend against Weyhro 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.