Section

Security

Cybersecurity, privacy, and the fight to stay safe online.

38 stories

Hospital IT closet in Osaka with a rack server and printed IIS log sheets on a metal shelf under fluorescent light, scuffed vinyl floor, no logos or readable text

JPCERT/CC Issues Exchange Proxy Log Alerts Tailored to Osaka Prefecture Clinics

JPCERT/CC published Osaka clinic–specific Exchange proxy log checks after small hospitals reported MRSProxy traffic spikes, telling operators to hunt HTTP.sys paths before Silver Week telehealth windows.

Sam Rivera

Corporate treasurer at a desk phone verifying a wire transfer printout beside a desktop banking terminal, gray office carpet, window light, no logos or readable text.

MUFG Bank Rolls Callback Codes for Corporate Wire Requests Above Fifty Million Yen

MUFG Bank will require rotating callback codes and dual voice confirmation for corporate wire requests above fifty million yen after FSA examiners questioned whether email-only beneficiary changes cleared autumn dividend season.

Sam Rivera

Bank fraud analyst at a curved monitor reviewing mobile session logs beside a desk phone, fluorescent office light, blurred coworkers from behind, no logos or readable text.

Mitsubishi UFJ NICOS Patches Mobile Banking Session Tokens After Credential Replay

Mitsubishi UFJ NICOS forced a mobile app refresh after fraud investigators tied replayed session tokens to unauthorized point redemptions on co-branded cards ahead of Silver Week travel spending.

Sam Rivera

Electrical substation yard with a gray outdoor modem cabinet and fiber conduit, overcast coastal light, damp concrete, no logos or readable text.

Hitachi Grid Unit Rechecks Modem Images After Cross-Border Outage Report

Hitachi Energy’s grid automation unit reissued modem firmware hashes for a Korea–Japan HVDC telemetry link after a four-hour telemetry gap, asking utilities to verify images before typhoon-season line switching.

Sam Rivera

Security operations center with analysts at curved monitors showing network diagrams, fluorescent office light, Tokyo high-rise window blur, no logos or readable text.

JPCERT Coordinates Exchange-Vulnerability Sweep With Regional Brokerages

JPCERT/CC asked regional brokerages to verify on-premise Exchange clusters against September’s cumulative update after two midsize firms reported suspicious PowerShell logs ahead of bonus-season wire fraud probes.

Sam Rivera

Security from around the world