Cyber Incident Disrupting Services (Japan)

Suspected cyberattack affecting ISP, payments, transit info. Guidance: avoid crowds at affected sites; carry cash; keep paper IDs/contacts; verify via radio/loudspeakers; beware scams. Mobility: signals/boards may fail; choose simpler routes; confirm meetups by time/place. Hygiene: don’t install unknown apps/updates. Output: SAFE-BRIEF then plan/checklist. JP: 110 police (fraud/urgent), 119 medical/fire, 171 message, municipal announcements. End with emergency-number reminder.