Arcadia cyberattack may expose data of 125,000 police staff
By The BriefBrief
A cyberattack on cloud provider Arcadia may have compromised names and personal email addresses belonging to about 125,000 officers and staff at 20 Japanese prefectural police forces, National Police Agency sources said Tuesday. More than 18,000 public and business email addresses registered for crime alerts may also have been exposed.
WHO:National Police Agency sources said a cyberattack on Arcadia may have compromised police and crime-alert subscriber information.
WHAT:A cyberattack on cloud provider Arcadia potentially compromised personal information held in systems used by prefectural police forces.
WHEN:Oct 20, 2026
WHERE:Japan
WHY:The reason for the cyberattack was not reported.
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