Summary
On October 2, 2025, the ransomware group Sinobi claimed responsibility for an attack targeting
Immaculate Heart of Mary, a church organization with a significant presence in the Brooklyn community.
According to the threat actor’s post, they intend to release sensitive data unless negotiations are initiated.
Incident Report
| Field | Details |
|---|---|
| Target | Immaculate Heart of Mary |
| Domain | |
| Country | USA |
| Attacking Group | Sinobi |
| Date Reported | October 2, 2025 |
| Threat Actor Statement | “The full leak will be published soon, unless a company representative contacts us via the channels provided.” |
About Immaculate Heart of Mary
The Immaculate Heart of Mary has been an integral part of the Brooklyn community since 1893, offering a variety of ministries and services that cater to both the spiritual and practical needs of its congregation. The organization plays a pivotal role in connecting with its members through live Mass services and community support initiatives.
About Sinobi
Sinobi is a notorious ransomware group known for targeting various organizations worldwide, demanding ransoms in exchange for not releasing sensitive data. Their attacks emphasize the need for robust cybersecurity measures and awareness.
Proactive Response to Ransomware Threats
To effectively manage and mitigate the risk of ransomware attacks, organizations should adopt proactive measures such as regular data backups, employee training, and darkweb monitoring. Monitoring the dark web for potential threats can provide early warnings and help prevent data breaches. Utilize tools like the Domain Breach Scan to keep a vigilant eye on your organization’s exposure and protect sensitive data.
Recommendations
- Monitor your domains and email addresses for exposure using reputable threat intelligence tools.
- Conduct a full compromise assessment and incident response drill internally.
- Verify backups and ensure they are offline and ransomware-resistant.
- Educate staff on phishing, social engineering, and lateral movement techniques used by groups like Qilin.
- Engage with cyber forensics and legal counsel before initiating contact with threat actors.
Check Your Exposure
Wondering if your organization or employees are impacted by recent breach activity?
-
Check domain-wide breach exposure:
mspdarkintel.com/domain-breach-scan -
Check if an email was breached:
mspdarkintel.com/email-breach-scan
Disclaimer
The MSPDarkIntel team does not engage in the exfiltration, downloading, taking, hosting, viewing, reposting, or disclosure of any stolen information.
All breach data reported here is sourced from publicly available threat intelligence feeds for awareness and early-warning purposes only.
Our goal is to inform organizations of emerging threats so they can take timely defensive action.
Table of Contents
