In a recent evaluation by Tom's Guide, five antivirus Software as a Service (SaaS) suites were tested on a high-end Windows PC. Bitdefender reduced frame rates in Cyberpunk 2077 by three frames per second, and both full-scan and quick-scan modes had negligible impact on internet throughput. This indicates that modern security clouds do not hinder performance. The findings suggest that organizations can implement stricter security policies without compromising user experience, reducing risk exposure. The results support the SaaS pricing model for security software, as operational efficiency can justify subscription fees. The benchmark set in 2026 reflects a maturation point for endpoint security SaaS, moving away from heavy clients to behavioral analytics and cloud-driven detection. Vendors with lightweight agents can differentiate themselves based on user experience. The next challenge will be integrating low-overhead agents with zero-trust frameworks while maintaining performance.