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Building a new foundation for cloud security
Act Security is building a new foundation for cloud security: ensuring applications have only the access they need, without adding operational overhead.
As AI accelerates the discovery and exploitation of vulnerabilities, detection and patching alone can’t keep up. We believe security should go beyond detecting attacks to reduce what attackers can do in the first place.
Founded by the team behind Medigate, which was acquired by Claroty, we’re a small team with ambitious goals. We stay close to our customers and trust the people closest to the work to make decisions and own the outcome.
Some of our hardest problems are still ahead. If you want to tackle fundamental challenges with people who care deeply about their work and each other, we’d love to build with you.
What you'll do
You'll own a product lane end to end. At Act, PMs don’t hand off a backlog, they take an area from raw customer signal to GA and deliver the win. Our PMs own end-to-end use cases like external perimeter hardening across IAM and network dimensions, human access boundaries, application perimeter enforcement, and agentic application least-privilege enforcement. You’ll take on an end-to-end boundary use case and everything it touches. You’ll shape how Act turns raw cloud configuration data into deterministic, enforceable boundaries, working closely with R&D, design, and customers to ship a product that materially shrinks the attack surface, reduces lateral movement opportunities, and eliminates exfiltration routes - preventing modern agentic attacks before they can take hold.
Shape and own the product vision, strategy, and roadmap for your area, translating Act's mission of shrinking the cloud access surface into a clear, prioritized plan.
Manage the entire product capability lifecycle - from discovery and requirements through design, execution, and release.
Learn customer environments, threat models, and security workflows to ensure the product drives real operational success for cloud and security teams.
Gather and analyze requirements, and write clear, detailed PRDs and user stories.
Collaborate with cross-functional teams - R&D, UI/UX, security research, and GTM - to guarantee smooth, efficient implementation.
Deep dive into the technical layers of identity, network, and AI access to make sound product and prioritization calls.
Engage directly with customers and prospects to validate ideas, gather feedback, and inform strategy.
What you’ll bring
5+ years of experience as a Product Manager. At least 2 in cybersecurity, cloud, or application security (AppSec) - a must!
Solid understanding of cloud environments (AWS, Azure, or GCP) and security practices, tools, and frameworks.
Strong technical orientation, with the ability to engage deeply with engineering teams
Proven ability to own an entire product feature / capability / module end-to-end, with a comprehensive understanding of system flows and user interactions beyond a single feature or domain.
Excellent analytical, problem-solving, and decision-making skills.
Comfortable operating in a fast-moving, dynamic startup environment with a hands-on approach.
Background in network analysis, active directory, cloud IAM - an advantage.
Background in intelligence, cyber operations, or security research - an advantage.
Working at Act
Learn from real problems. We learn from our customers, each other, and our mistakes, and use what we learn to improve what we build.
Build with AI. We use AI tools in our daily work, build intelligent automation into our product, and help customers secure their AI workloads.
Set a high bar, together. We pursue ambitious goals and hold ourselves to high standards. We also believe great work happens when people enjoy working together.
Share in what we build. We offer competitive compensation and meaningful equity, with the opportunity to help shape an early-stage company.