マルウェア（ウイルス等）対策 | 国民のためのサイバーセキュリティサイト

This page explains malware countermeasures and prevention strategies. Key measures include keeping OS and software updated, installing antimalware software with current pattern files, and monitoring suspicious emails. If infected, disconnect from the network and contact IT staff immediately. Essential practices include verifying antimalware installation, regularly updating pattern files, scheduling periodic malware scans, and preventing USB-based infections by disabling autorun features and avoiding unknown storage devices. Despite precautions, infections can still occur, making multi-layered defense essential.