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AI Agents Increase Importance in Access Control for 2026

A recent study sponsored by Portnox highlights a significant trend in access control priorities for enterprise buyers, identifying AI agent access as paramount for 2026. The research, drawn from an IDC InfoBrief, underscores the critical role that network access control (NAC) plays in providing the necessary visibility and context for security teams as they navigate the evolving landscape of enterprise security.

Key Findings from the Research

The findings of the study reveal a clear ranking of access control priorities:

• - 18% of respondents identified agent-to-agent access as the leading priority.
• - Close behind, 16% designated agent-to-resource access as crucial, while 15% marked agent-to-device access as essential.
• - Traditional user access to resources and devices both captured 15% of responses, illustrating that while human users retain significance, AI agents are gaining traction quickly.

Moreover, the survey also delved into zero-trust priorities, where 14% emphasized AI usage and access, along with 13% focused on AI infrastructure. This shifting focus indicates a paradigm change in how enterprises are assessing risks and enforcing policies regarding access.

The need for timely enforcement is particularly pressing. The research warns that merely detecting risky AI agent access isn't sufficient—enforcement mechanisms must be quick and efficient. In today’s fast-paced digital environment, the time it takes to shut down unauthorized access can lead to substantial vulnerabilities. Organizations reported that security and compliance restrictions are the number two reason for limiting AI deployment, reinforcing the importance of prompt enforcements.

NAC Vital for Visibility

NAC ranked as the second most crucial technology for achieving comprehensive visibility and context for security measures. The study's findings reveal that a staggering 95% of respondents found their NAC systems effective in enhancing segmentation policies. Garrett Gross, Field CISO at Portnox, stressed the importance of having clear restrictions on AI agents that now have access to sensitive business systems. He stated, "Organizations need to know how quickly they can cut off risky access... Every minute spent waiting is another minute that an agent can reach data or systems where it can do damage.”

Evolving Security Performance Metrics

A paradigm shift in measuring security performance is recommended. The report suggests that businesses should focus on how quickly detected risks transition into enforced controls. This new approach emphasizes the urgency of addressing risks as they emerge and highlights the essential function of NAC in providing the requisite visibility.

With around 60% of respondents managing at least six cloud environments and 38% overseeing ten or more, the question arises whether consistent access rules can be enforced across different platforms as AI agents proliferate.

Conclusion

In conclusion, as enterprises increasingly rely on AI, there is a pressing need for updated access control measures that can respond in real time. The research indicates that AI agents are becoming crucial stakeholders in enterprise environments, necessitating enhanced network access controls and a shift in how organizations manage access policies and monitor security risks effectively. Portnox continues to lead the way in helping organizations secure their network environments against unauthorized access and exploits in this rapidly changing technological landscape. To explore more insights and details from this research, visit Portnox's AI Access Control InfoBrief.