Japanese pharmaceutical giant Eisai this week announced that it has fallen victim to a ransomware attack that forced it to take certain systems offline.
Headquartered in Tokyo, the company has manufacturing facilities in Asia, Europe, and North America, and has subsidiaries on both American continents, in Asia-Pacific, Africa, and Europe. Last year, the company reported more than $5 billion in revenue.
The ransomware attack, the company says in an incident notification on its website, was identified on June 3, and resulted in the encryption of multiple servers.
Eisai says it immediately implemented its incident response plan, which involved taking systems offline to contain the attack, and launched an investigation.
“Eisai Group immediately established a company-wide task force, and is working on recovery efforts with the advice of external experts and undertaking measures to understand the scope of the incident. Additionally, Eisai Group has consulted with law enforcement,” the company announced.
The attack, Eisai says, impacted servers both in Japan and overseas, including logistics systems, which are yet to be restored. The company’s corporate websites and email systems remain operational.
Eisai says it has yet to determine whether any data was compromised or stolen during the attack.
“Any potential impact of this incident on the consolidated earnings forecast of this fiscal year is currently under careful examination,” the company also said.
SecurityWeek is not aware of any ransomware gangs taking responsibility for this attack.
Eisai disclosed the incident roughly a week after health insurer Point32Health and biotechnology firm Enzo Biochem revealed that the personal information of millions of users was compromised in ransomware attacks.
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