Pacific Biolabs listed on cicada3301 leak site with claims of data theft
The cicada3301 group has listed PACIFIC BIOLABS on its leak site, claiming to possess 900 GB of data.
- Published
- 2 min read
- 2 min read
- Ransomware group: cicada3301
- Country: United States
- Sector: Healthcare
- Announcement date: July 11, 2025
Cicada3301 claims to have exfiltrated data from Pacific Biolabs
The threat actor known as cicada3301 has listed the organization Pacific Biolabs on its dedicated leak site. According to the announcement made on July 11, 2025, the group claims to have successfully compromised the organization's network and exfiltrated a significant volume of data. This type of announcement is a common tactic used by ransomware groups to pressure victims through public exposure.
The group alleges that the breach occurred on July 10, 2025. While the listing confirms the intent to leak information, the group has not provided any screenshots or detailed descriptions regarding the specific nature of the allegedly leaked data. Furthermore, there is no information available regarding a ransom demand or the specific file count involved in this incident.
Details of the alleged data breach
The threat actor has made specific claims regarding the scale of the data involved in this incident. According to the announcement, the volume of the data allegedly stolen from Pacific Biolabs is 900 GB. This substantial amount of information suggests a significant breach of the organization's digital environment.
Despite the large volume of data claimed by the group, the listing does not specify the types of files or the specific categories of information that have been compromised. The listing names no specific data types.
About Pacific Biolabs
Pacific Biolabs is a contract research organization based in California, United States. The company provides a variety of specialized services for the biotechnology and pharmaceutical industries, including biosafety testing, microbiology, and analytical chemistry. Additionally, the organization performs quality control and regulatory compliance testing for medical devices and pharmaceuticals.
Potential implications and industry considerations
This incident may result in the exposure of sensitive healthcare data or operational information belonging to the organization. Given the organization's presence in the healthcare sector, the potential data breach could trigger regulatory consequences under frameworks such as HIPAA. The publication of such data may create secondary risks for employees and patients, including identity theft or targeted phishing campaigns.
In the broader context of cybersecurity, ransomware groups often utilize