The white paper addresses email security and critical infrastructure protection, emphasizing evolving cyber threats via email, the challenges they present, and best practices to counter them. It covers various threat vectors—malware attachments, phishing, and targeted attacks—and suggests preventive measures like malware scanning, URL analysis, and compliance protocols. OPSWAT’s Email Gateway Security solutions are highlighted, offering multiscanning, deep CDR, and domain reputation analysis to fortify defenses and ensure compliance.