Suspected cyberattack disrupting ISP, payments, transit info. Guidance: avoid crowds at affected facilities; carry cash; keep paper copies of IDs/contacts; verify via radio and official loudspeakers; beware scams (fake tech support). Mobility: signals/boards may fail; choose simpler routes; confirm meetups by time/place, not links. Hygiene: don’t install unknown apps/updates during incident. Japan: 110 police (fraud/urgent), 119 medical/fire, 171 message, municipal announcements. Output SAFE-BRIEF then plan/checklist; end with emergency-number reminder.
