Data Breach at BioNet-Asia: What You Need to Know
In a troubling development for the healthcare industry, BioNet-Asia (BioNet), a prominent vaccine manufacturer, has reportedly fallen victim to a sophisticated cyberattack by the Gentlemen ransomware group. This breach not only compromises the integrity of BioNet’s systems but also exposes sensitive personal and proprietary information, raising significant concerns for affected parties.
About BioNet-Asia Targeted in Gentlemen Ransomware Attack
BioNet is a leading vaccine manufacturer based in Thailand, boasting over 25 years of experience in the development of recombinant and mRNA vaccines aimed at combating respiratory diseases. The company is known for its innovative approaches, particularly in advancing proprietary recombinant pertussis vaccines and addressing critical immunization needs across Southeast Asia. With a commitment to public health, BioNet has established itself as a key player in the vaccine market.
What Happened
In early 2025, the Gentlemen ransomware group executed a coordinated attack on BioNet’s network. Utilizing advanced evasion techniques, the attackers disabled security software and manipulated Group Policy Objects to gain unauthorized access to the company’s systems. Once inside, they exfiltrated a substantial amount of sensitive data before deploying their encryption payload. This breach has led to the compromise of various types of information including:
- Full names
- Email addresses
- Employee personal records
- Financial statements and records
- Internal technical documentation
- Proprietary vaccine research and blueprints
- Client and partner agreements
The implications of this breach are far-reaching, not only affecting BioNet’s operational integrity but also potentially impacting the privacy and security of individuals associated with the company.
Next Steps
If you are an affected party or have concerns regarding the breach, it is crucial to take action. We, at the Srourian Law Firm (SLF), are committed to helping individuals navigate the complexities of data breaches. We encourage you to reach out to us to discuss your options and understand your rights in the wake of this incident. Your privacy and security are of utmost importance, and we are here to assist you.
LINKS:

Srourian Law Firm is investigating a potential class action lawsuit against BioNet-Asia Targeted in Gentlemen Ransomware Attack for a recent data breach.
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