Rethinking Security with Emerging Tech Trends at RSAC 2026

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Cybersecurity Experts Rethink Traditional Approaches

Cybersecurity experts are rethinking traditional approaches to security, shifting focus from the network perimeter to the operating system core.

Moving Away from Network Perimeter Focus

According to experts, many modern attacks, including ransomware and supply chain compromises, succeed because they inherit user permissions and operate within overly trusted system structures.

“File-system-first” approach limits file access, socket (network) access, and privilege escalation at the operating system level.

A “File-System-First” Approach

This approach emphasizes immutable, allowlisted controls embedded close to the kernel layer, designed to prevent unauthorized access and malicious activity.

Experts note that AI agents and contractors expand the attack surface, highlighting the need for strict isolation, backup protection, and deterministic system boundaries.

Implementing Effective Security Measures

To achieve this goal, security professionals must bridge the gap between technology and policy. They must develop software that incorporates security features at every stage of development, from end-user applications to distributed architectures.

Guidelines for Securing Domain Name System (DNS)

The National Institute of Standards and Technology (NIST) has issued guidelines for securing domain name system (DNS) infrastructure.
These updates provide actionable guidance for organizations to strengthen DNS infrastructure against evolving threats.

Operationalizing Threat Intelligence

Organizations are exploring ways to operationalize threat intelligence by integrating intelligence workflows directly into detection and response environments.

Experts emphasize the importance of understanding the intersection of technology, policy, and human behavior in addressing cybersecurity challenges.

Continuous Risk Assessment and Actionability

Making cyber risk continuous, quantified, and actionable is crucial. This requires assessing risk in dollars rather than relying on color-coded charts.

By prioritizing this approach, organizations can significantly improve their cybersecurity posture and protect themselves against the latest threats.

Defining Identity Security for the Age of AI

Security professionals are redefining identity security for the age of AI, focusing on governing access and ensuring data integrity in a world where autonomous entities play a larger role.

Conclusion

The field of cybersecurity is rapidly evolving, driven by advances in technology and changing threat landscapes. By continuously adapting and innovating, security professionals can stay ahead of emerging threats and create more effective strategies for mitigating threats and protecting sensitive information.