Seiko Suffers Ransomware Attack

August 22, 2023


Seiko Group Corporation confirmed it suffered a data breach July 28 and is apparently a victim of a ransomware attack, according to a Monday post on an attack group’s website.
Seiko, a watchmaker with 12,000 employees and an annual revenue over $1.5 billion, said in an advisory: “It appears that some as-yet-unidentified party or parties gained unauthorized access to at least one of our servers. Subsequently, on August 2nd, we commissioned a team of external cybersecurity experts to investigate and assess the situation.
“As a result, we are now reasonably certain that there was a breach and that some information stored by our company and/or our group companies may have been compromised.

Incident Date

July 28, 2023



Estimated Cost

Unknown at this time.

Type of Malware

No Malware identified

Threat Source

No threat source identified