[December-11-2025] Daily Cybersecurity Threat Report

This report details a series of recent cyber incidents, providing key information for each event, including published URLs and associated screenshots, strictly based on the provided data.

1. Alleged Unauthorized Access to Industrial Control System in USA

2. Alleged Data Breach of Klett

3. 404 CREW CYBER TEAM targets the website of demobk2.wpbay.co

4. Alleged Data Breach of UPC Precision Castings Ltd

5. Alleged Data Breach of Coinmerce B.V

6. Iroquois Memorial Hospital falls victim to PEAR Ransomware

7. Alleged Sale of Unauthorized Admin Access via RDP in France

  • Category: Initial Access
  • Content: A threat actor claims to be selling unauthorized admin access via RDP in France, allegedly providing entry to the personal accounts of other companies, with 800–1000 active accounts and more than 100,000 KYC document sets containing IDs, proof of address, and financial or employment documents.
  • Date: 2025-12-11T21:44:35Z
  • Network: openweb
  • Published URL: https://forum.exploit.biz/topic/271885/ Screenshots: https://d34iuop8pidsy8.cloudfront.net/43e286d5-d937-4a46-92e3-dc78e14af1ed.png
  • Threat Actors: remote desktop
  • Victim Country: France
  • Victim Industry: Unknown
  • Victim Organization: Unknown
  • Victim Site: Unknown

8. CyberVolk claims to have infected 800+ devices

  • Category: Ransomware
  • Content: A recent post by the group claims that they have infected over 800 devices using a combination of Remote Access Trojan (RAT), keylogger, and ransomware payloads. The post suggests that victim details will be disclosed in future updates.
  • Date: 2025-12-11T21:01:55Z
  • Network: telegram
  • Published URL: https://t.me/CyberVolk_Community/1421 Screenshots: https://d34iuop8pidsy8.cloudfront.net/f6e98179-e5f4-46a1-9341-8ac9e390fb11.png
  • Threat Actors: CyberVolk. Group.
  • Victim Country: Unknown
  • Victim Industry: Unknown
  • Victim Organization: Unknown
  • Victim Site: Unknown

9. Clarinda Regional Health Center falls victim to LOCKBIT Ransomware

10. Keys to Literacy falls victim to LOCKBIT Ransomware

(Note: The following section summarizes the remaining data entries from the provided file to maintain report brevity while ensuring complete coverage of the provided dataset.)

11. Hilden Packaging Machines falls victim to LOCKBIT Ransomware

12. Alleged Sale of Unauthorized Server Access to an Unidentified Shop in USA

13. Alleged Data Leak of 250 Credit Card Records in Spain

14. Alleged Sale of Unauthorized Reverse Shell Access to Multiple Countries

15. Alleged leak of Shopee Thailand product database

  • Category: Data Breach
  • Content: The group claims to have leaked a product database from Shopee Thailand, containing over 19 million records related to affiliate feeds, product listings, seller metadata, and pricing details. The data reportedly includes fields such as product link, shop id, sale price, etc.
  • Date: 2025-12-11T17:25:57Z
  • Network: telegram
  • Published URL: https://t.me/h3c4kedzsec_official/174 Screenshots: https://d34iuop8pidsy8.cloudfront.net/4435aaa3-6ec7-4bbe-a661-6057ca3d9549.png
  • Threat Actors: H3C4KEDZ
  • Victim Country: Thailand
  • Victim Industry: Software Development
  • Victim Organization: shopee
  • Victim Site: shopee.co.th

Conclusion

The incidents detailed in this report highlight a diverse and active landscape of cyber threats appearing on December 11, 2025. Data breaches and ransomware attacks are prominent, affecting various sectors from healthcare (Iroquois Memorial Hospital, Clarinda Regional Health Center) and education (Klett, Keys to Literacy) to industrial engineering (UPC Precision Castings Ltd, Hilden Packaging Machines) and financial services (Coinmerce B.V.). The geographical scope is broad, impacting countries including the USA, Czech Republic, Israel, Netherlands, France, Spain, and Thailand.

The compromised data ranges from sensitive patient records and personal user information to industrial secrets and credit card details. Beyond data compromise, the report also reveals significant activity in initial access sales and defacement, with threat actors like the Infrastructure Destruction Squad and LOCKBIT 5.0 demonstrating persistent offensive capabilities. The nature of these incidents emphasizes the critical importance of robust cybersecurity measures to defend against a wide array of sophisticated and opportunistic attacks.