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Cyber Threat
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Ransomware victim Technology

365labs - Security Corp

Listed by Monti on · organisation based in United States

365labs.com

Disclosed
Mar 4, 2025
Leak-site listing date
Threat group
Monti
63 victims listed
Country
United States
#1 most targeted
Sector
Technology

ThreatAI analysis

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

About the Monti group

Monti is a ransomware group first observed in June 2022 that initially copied nearly all of Conti's leaked source code, pivoting to target government, legal, and healthcare entities, later releasing a new Linux variant in 2023 with significantly less Conti code similarity, and experimenting with an affiliate model. Monti has listed 110 victims since December 2022.

Incident analysis

365labs - Security Corp was listed by Monti ransomware, a group with 63 victims recorded in this database. The listing appeared on the group's leak site on March 4, 2025.

365labs - Security Corp is based in United States and operates in the Technology sector. United States ranks #1 worldwide for ransomware disclosures, with 9,972 victims in this 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.

Monti 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files are encrypted, so the victim faces two demands at once — pay to restore access, and pay to keep stolen data unpublished.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 365labs - Security Corp attacked by ransomware?

Yes. 365labs - Security Corp was listed as a victim of the Monti ransomware group on March 4, 2025. The organisation is based in United States and operates in the Technology sector. The disclosure appeared on the group's dark web leak site.

Which ransomware group attacked 365labs - Security Corp?

365labs - Security Corp was attacked by Monti ransomware. Monti is one of the most active ransomware groups, having claimed 63 victims globally. The group typically employs a double-extortion model: encrypting the victim's files and threatening to publish stolen data.

When did the 365labs - Security Corp ransomware attack occur?

The ransomware attack on 365labs - Security Corp was disclosed on March 4, 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 365labs - Security Corp ransomware attack?

The specific data stolen from 365labs - Security Corp 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, 365labs - Security Corp likely held source code, intellectual property, and customer data.

How can organisations protect against Monti attacks?

To defend against Monti 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.