Rethinking Cyber Security

AI-Powered Cyber Defense Depends on Visibility Across Distributed Data

Cisco’s recent announcement about joining Anthropic’s Project Glasswing makes one thing clear: cybersecurity has entered a new phase. As Cisco put it, the industry is facing a consequential shift as AI becomes increasingly capable in cybersecurity, and defenders need to move with urgency to keep pace. Cisco also said it is already using advanced AI capabilities to find and fix vulnerabilities faster and to accelerate the development of products that can defend against AI-enabled adversaries.

That announcement matters not just because of the technology itself, but because of what it reveals about the next requirement for security operations. The issue is no longer whether AI can help. It can. The real question is whether organizations have the right visibility foundation to make that help meaningful, trustworthy, and operationally useful. Cisco noted that AI-powered analysis is uncovering data at a scale and depth that legacy frameworks were not designed to accommodate. That is the key point: if the underlying visibility model is still limited, siloed, or overly centralized, AI will expose those weaknesses quickly.This is why visibility across distributed data now matters so much.For years, many organizations treated visibility as a collection problem. Get the logs in. Normalize what you can. Search when needed. That approach was sufficient for an earlier era of security operations, but it is no longer enough for AI-powered defense. Modern environments are distributed by default. Security-relevant data lives across endpoints, networks, cloud platforms, identities, applications, SaaS systems, data lakes, and third-party repositories. The challenge is not just scale. It is fragmentation. And in an AI-driven world, fragmented data means fragmented understanding. Cisco Data Fabric is aimed directly at that problem, with federated analytics and search designed to bring analytics to where the data resides rather than forcing costly movement and duplication of everything into one place.

That is why Splunk’s role becomes even more important.Splunk is the AI-native security and data platform built to operationalize data accessed through Cisco Data Fabric. In practical terms, Cisco Data Fabric provides the data management and access layer across distributed environments, while Splunk provides the security operations, analytics, and investigation capabilities that turn that access into decisions and outcomes. Splunk describes its platform as the data platform for digital resilience in the agentic AI era, built to search, analyze, and investigate machine data from any source at any scale, with federated search and analytics that let teams access and analyze data wherever it resides.That distinction matters because raw access to data is not the same as operational visibility. Security teams do not just need more telemetry. They need to understand what it means, how it connects, and why it matters. A vulnerability finding without asset context is just a technical issue. An identity anomaly without surrounding activity is just a suspicious signal. A cloud event without business context is just another log line. Splunk’s value is that it helps convert distributed machine data into searchable, analyzable, investigation-ready intelligence. The Splunk Platform emphasizes AI-native intelligence, while Splunk Enterprise Security extends that into full-fidelity visibility across domains, clouds, and devices, regardless of where the data resides.

This is exactly what AI-powered cyber defense needs.In the AI era, the organizations that win will not simply be the ones with the most advanced models. They will be the ones that can pair those models with the right data, context, and operational workflows. Cisco’s Glasswing announcement is an early signal of that shift: AI is now materially improving how defenders find and fix vulnerabilities. And it highlights a broader truth for security operations — advanced models create more value when they are paired with platforms that provide visibility across distributed data and help operationalize that insight. That is where Splunk and Cisco Data Fabric become relevant to the larger story.This is where Splunk can create real advantage.First, Splunk helps security teams work across distributed data rather than being constrained by it. The platform’s federated search and analytics capabilities are built around accessing data wherever it resides, including Splunk and external data sources, which aligns directly with the need for visibility across a fragmented enterprise. That means teams can investigate faster without waiting for every source to be copied, transformed, or fully centralized first.Second, Splunk adds the context needed to make AI output useful. Splunk’ Exposure Analytics provides a unified, continuously updated inventory of assets and identities by correlating data from network, endpoint, cloud, and scanning tools. That matters because context is what turns AI-generated findings into prioritized security decisions. When a security team can connect telemetry to ownership, criticality, associations, and exposure, response becomes faster and more precise.Third, Splunk helps bridge the gap between analysis and action. Splunk Enterprise Security is positioned around full-fidelity visibility, AI-driven detection, and AI-powered alert prioritization. In other words, it is not just there to store or search data. It is there to help SOC teams focus on what is most important, investigate with higher confidence, and respond faster. That is the operational layer required if AI-powered cyber defense is going to deliver outcomes instead of just additional findings.

“That is why visibility is now a strategic issue, not just a technical one.”

The broader lesson from Cisco’s announcement is that the future of cyber defense will not be shaped by AI models alone. It will be shaped by how well organizations connect AI to real operational data, real investigative context, and real response workflows. AI without visibility will create guesswork. AI with incomplete visibility will create false confidence. But AI grounded in visibility across distributed data can help security teams move from fragmented signals to coherent decisions.That is why visibility is now a strategic issue, not just a technical one.

In the AI era, the organizations that win will not simply be the ones with the most advanced models. They will be the ones that can give those models access to the right data, in the right context, at the right time. Cisco’s Glasswing announcement is a signal that this shift is already underway. And it reinforces why Splunk matters: not as the data fabric itself, but as the AI-native security and data platform built to operationalize data accessed through Cisco Data Fabric. That is how distributed machine data becomes operational visibility. That is how visibility becomes action. And that is how AI-powered cyber defense becomes real.

Dave Dalling
About the Author

Dave Dalling

GVP of Global Cyber Strategy at Splunk — 20+ years shaping enterprise security, FedRAMP authorization pioneer, and adventure racer.

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