Experience the difference. Meet your peers, talk with analysts, build your network and turn insights into action.
Leigh McMullen
Distinguished VP Analyst
Gartner
Speaker Topics
- Using AI in Cybersecurity
- Resilience
- AI Cybersecurity Governance
- Vision, Strategy and Operating Model
- Managing Cyber Risk
- Incident Response
- Managing Threats, Vulnerabilities and Exposures
- Cybersecurity Management, Governance and Policy
- Privacy
Speaker Bio
Leigh C. McMullen is a Distinguished Vice President, Analyst and Gartner Fellow in Gartner's CISO, Security & Risk Management team. Mr. McMullen leverages his experience as both a line-of-business manager and IT leader to provide CISOs with insight on navigating and making a difference within the C-suite.
Additionally, he provides clients with a holistic view of Cybersecurity leadership research, specializing on the topics of Future operating models, Vision & Strategy, politics, influence, business engagement, internal marketing & communications.
Mr. McMullen's Fellows work examines business operating models which are designed to change and adapt rather than just scale.
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Additionally, he provides clients with a holistic view of Cybersecurity leadership research, specializing on the topics of Future operating models, Vision & Strategy, politics, influence, business engagement, internal marketing & communications.
Mr. McMullen's Fellows work examines business operating models which are designed to change and adapt rather than just scale.
Sessions
Tuesday, 22 September, 2026 05:15 PM - 05:45 PM BST
What Is Your Plan B for AI Failure?
Leigh McMullen,
Distinguished VP Analyst, Gartner
AI adoption has been accelerating for years but almost always bypassing certain basic elements of cybersecurity due diligence, hygiene, risk and impact assessments or alternatives and exit plans. Cybersecurity leaders must be prepared for major disruption. What will you do when GenAI collapses, AI-embedded apps fail, or your vendors make choices contrary to your policies?
Join this session to find out! ... Show More Show Less
Join this session to find out! ... Show More Show Less
Wednesday, 23 September, 2026 01:30 PM - 02:00 PM BST
Gartner First Take Live: Decoding the AI Security and Safety Events Shaping Enterprise Risk
Leigh McMullen,
Distinguished VP Analyst, Gartner
Akif Khan,
VP Analyst, Gartner
Eduardo Mastranza,
VP, Team Manager, Gartner
Gartner analysts will decode the recent AI news and incidents shaping enterprise risk, from model vulnerabilities and misuse to open-weight models and increasingly autonomous AI. The panel will examine what these developments reveal about AI security and safety, how organizations should distinguish emerging threats from hype, and which governance, risk and resilience priorities matter most for security leaders.
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Wednesday, 23 September, 2026 03:30 PM - 04:00 PM BST
"Use AI Like a Threat Actor" and Other Strategies for AI in Cyber Defense
Leigh McMullen,
Distinguished VP Analyst, Gartner
Join us for this session as we discuss how you can use AI in the way APTs are using it, for shortening the times for living-off-the-land hacking from weeks and months to hours and days. We will provide the full stratagem for this, as well as several others, including ways to wire cyber business intelligence into your SOC using AI.
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Thursday, 24 September, 2026 03:00 PM - 03:30 PM BST
AI Drives New Cybersecurity Architecture
Leigh McMullen,
Distinguished VP Analyst, Gartner
Optimizing cybersecurity technology and architecture effectiveness is an imperative, but there are now multiple, intersecting architecture trends to choose from. This session will help you to identify and navigate these trends as AI emerges as the underlying architecture.
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