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Ransomware Victim Public Sector

MassDevelopment

Ransomware attack by Bianlian Β· Disclosed January 18, 2025 Β· πŸ‡ΊπŸ‡Έ United States

massdevelopment.com

Date Disclosed
Jan 18, 2025
2025
Threat Group
Bianlian
201 total victims
Country
πŸ‡ΊπŸ‡Έ United States
Industry
Public Sector

Incident Analysis

MassDevelopment was targeted by Bianlian ransomware, one of the most active ransomware groups in our database with 201 confirmed victims globally. The attack was disclosed on January 18, 2025, when MassDevelopment appeared on the group's dark web leak site.

MassDevelopment is based in United States , operating in the Public Sector sector. United States ranks #1 globally for ransomware attacks, with 8,969 victims in our database.

Sector context: Organisations in this sector hold valuable data and operational systems that ransomware groups seek to exploit for financial gain through encryption and data exfiltration.

Bianlian 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 β€” 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: Aug 2, 2026 06:00 UTC.

Frequently Asked Questions

Was MassDevelopment attacked by ransomware?

Yes. MassDevelopment was listed as a victim of the Bianlian ransomware group on January 18, 2025. The organisation is based in United States and operates in the Public Sector sector. The disclosure appeared on the group's dark web leak site.

Which ransomware group attacked MassDevelopment?

MassDevelopment was attacked by Bianlian ransomware. Bianlian is one of the most active ransomware groups, having claimed 201 victims globally. The group typically employs a double-extortion model: encrypting the victim's files and threatening to publish stolen data.

When did the MassDevelopment ransomware attack occur?

The ransomware attack on MassDevelopment was disclosed on January 18, 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 MassDevelopment ransomware attack?

The specific data stolen from MassDevelopment 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 Public Sector organisation, MassDevelopment likely held sensitive business data, client information, and operational records.

How can organisations protect against Bianlian attacks?

To defend against Bianlian 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.