In today’s rapidly evolving threat landscape, security leaders are being asked to do more with less. Shrinking budgets, hiring freezes, and reduced access to critical tools are the new reality for CISOs and their teams. Yet, the expectations have never been higher: business resilience, regulatory compliance, and innovation must all move forward often simultaneously.
That’s why I sought out Microsoft’s top security minds during Security Summit Days. My goal was to surface the questions that matter most to CISOs to share actionable insights for navigating uncertainty, driving transformation, and building a future-ready security strategy.
I started by asking: What’s the biggest challenge facing security leaders today? The answer was unanimous.
“The biggest challenge for leaders is that a lot of products work in silos… We need to focus more on the ecosystem versus these siloed products.”
— Emmanuel Taiwo, Microsoft Senior AI Security Solution Engineer Leader
This resonates with what I’m hearing across the industry. CISOs are expected to manage everything from risk assessments and compliance to incident response and board-level strategy—often with fewer resources and less support1. Integration isn’t optional; it’s the only way to do more with less.
I pressed the team on how organizations can shift from a reactive to a proactive security posture. The consensus? AI is a game-changer.
“Leaders have moved from a reactive to a more proactive approach… They want to focus more on a proactive approach to know about a vulnerability and threat before it could happen.”
— Kriti Arora, Microsoft Senior Security & Compliance Solution Engineer
With budgets tight, CISOs are prioritizing high-impact areas like identity management and zero-trust architecture over broader awareness programs2. AI-driven tools like Microsoft 365 Copilot, Defender, and Sentinel help organizations anticipate threats, automate responses, and visualize their entire attack surface—across cloud, hybrid, and on-premises environments.
With so much data, how do you know what to protect? I challenged the group, and the answer was refreshingly practical:
“First, you need to understand what is the data that is important for your organization. If you don’t have the knowledge, it is very hard to put controls on it.”
— Liliane Scarpari, Microsoft Security Solution Engineer
For CISOs, this means investing in data classification, governance, and compliance, especially as new AI regulations emerge globally. When resources are limited, knowing your “crown jewels” is the only way to focus your defenses where they matter most.
Who owns security in a modern enterprise? The answer: Everyone.
“I don’t think we could just look at this as an IT professional, a security professional… We have to think about everyone being part of this transformation.”
— Michael Billy, Microsoft Security General Manager
Training, awareness, and inclusive practices are essential. But with CISOs stretched thin, it is more important than ever to empower every employee to play their part.
I wanted specifics. What does success look like when organizations get this right?
“When you bring [in] Sentinel and you’re able to bring these third party applications into that platform, you have cross correlation across everything—that’s immediate response data. In my experience in industry, that’s unheard of. Usually you’re having to pull this data set, pull that data set, and trying to bring them together. It just doesn’t work. With Sentinel and XDR, you’re getting a full picture of your estate quickly and more effectively. Overall, it’s going to take you a lot less time.”
— Mike Taylor, Microsoft Senior Security Solution Engineer Leader
The bottom line: Integrated, AI-powered security delivers measurable business value—speed, efficiency, and resilience—even when budgets are tight.
How do we keep improving? I closed by asking about the future.
“Go back to the core fundamentals, know your estate, know what data you’re trying to protect. Ultimately, as you prepare for AI, you have to ensure that you have those identities. Make sure you have the data classifications established so you’ll be able to quickly move and pivot.” — Mike Taylor, Microsoft Senior Security Solution Engineer Leader
Continuous learning, responsible AI, and transparent governance are non-negotiable for leaders who want to stay ahead.
If you are leading security, here is what I would tell you after these conversations:
The journey to future-proofing security does not end here. Each interview in the Security in the Age of AI: A Microsoft Leadership Series offers actionable insights and proven strategies from Microsoft’s security leadership—designed to help you lead with confidence in an evolving threat landscape.
Explore the full interview series and actionable knowledge directly from Microsoft’s security leaders on the topics that matter most:
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