Small businesses face the same cyber threats as large enterprises but lack dedicated security teams. 43% of cyber attacks target small businesses, and 60% of affected companies go out of business within 6 months. Key requirements: central management, multi-OS protection, email security, web protection, and automated backup. Top recommendations: Avast Business Antivirus Pro Plus at $7.60/device/year with management console. Bitdefender GravityZone Business Security with enterprise-grade protection. ESET PROTECT Cloud with flexible deployment. Kaspersky Small Office Security with all-in-one coverage. Microsoft 365 Business Premium includes Defender for Business at unbeatable price.