We are backed by top-tier global investors including Sequoia Capital, Ribbit Capital, and Cyberstarts-firms known for supporting the most innovative and influential companies in technology and cybersecurity.
As a Security Researcher at Blockaid, you will be responsible for leading in-depth research into emerging blockchain threats and vulnerabilities and developing real-time detection and mitigation capabilities in close collaboration with our engineering and product teams.
Key Responsibilities:
Conduct in-depth security research on blockchain protocols, smart contracts, and decentralized applications.
Identify and analyze security vulnerabilities, exploits, and attack vectors in Web3 protocols.
Collaborate with the engineering team to integrate detection capabilities into our on-chain exploit detection system.
Create proof-of-concept (PoC) exploits and simulations to help test and validate threat scenarios.
Stay current with emerging threats, new technologies, and industry best practices in information security..

we are seeking a Senior Security Researcher to join our highly technical product research team working at the core of our security products.
This is a rare opportunity to join an elite security research team and do work that directly shapes our AI and Cloud products. Your research will span cloud infrastructure, AI systems, emerging platforms, and modern architectures.
You will perform novel security research, inform product direction, and contribute to our company's thought leadership in cloud and AI security.
We are looking for an exceptional security researcher who thrives on variety and can quickly develop expertise in new areas.
Your Role:
Drive research direction across multiple domains including cloud security, AI security, and emerging threat landscapes.
Perform novel security research to uncover new attack vectors, and adversary techniques across cloud and AI systems.
Translate research findings into actionable product capabilities, detection logic, and risk prioritization guidance.
Stay current with evolving threats across cloud platforms and AIecosystems, identifying where our company should invest next.
Write and speak about security research to strengthen our company's voice in cloud and AI security.
Collaborate with product and engineering teams to translate research into shipped capabilities.

As a Product Security Researcher , you will dive deep into the security landscape of modern browsers, operating systems, and enterprise applications to discover novel vulnerabilities, evaluate real-world threat scenarios, and help shape our security posture through innovation and hands-on research. You will be instrumental in driving advanced security initiatives that help maintain position at the cutting edge of secure enterprise computing.

Key Responsibilities:

Vulnerability Research: Identify and analyze vulnerabilities in browser components, system integrations, and third-party libraries relevant to the Enterprise Browser.
Security Testing & Tooling: Develop custom tooling and automation for security testing, fuzzing, and vulnerability detection tailored to our product stack.
Threat Modeling: Collaborate with developers, architects, and the Product Security Lead to assess threat scenarios and attack surfaces for new features and integrations.
Exploit Prototyping: Build proof-of-concepts to validate the impact and exploitability of discovered security issues.
Collaboration & Knowledge Sharing: Support development teams in secure coding practices, and contribute to internal knowledge bases and playbooks.
Security Research Enablement: Stay ahead of the curve by tracking current exploits, security trends, and techniques; attend or present at security conferences and engage with the broader security community.

We're looking for a threat Security Researcher to own the "right" side of the platform - from live cloud workloads and the eBPF telemetry they emit, through adversary behavior in containers and Kubernetes, into the AI systems and agents now embedded in production. You'll hunt down how novel attack techniques actually unfold at runtime - the credential theft, the lateral movement, the abuse of a model or an MCP tool - then turn that research into the detection logic that runs over our vast runtime telemetry and powers real-time threat protection. This role sits at the intersection of threat research, cloud, AI security, and detection engineering.
Conduct deep technical research into modern cloud environments and AI systems and discover novel attack techniques.
Lead product initiatives in the threats domain from inception to production. Collaborate closely with product, backend, and GTM, translating research into product capabilities.
Define and create complex detection logic over our vast telemetry, with a focus on coverage that scales across customer environments.
Identify gaps in detection coverage and evaluate detection quality. ensuring security logic is reliable and impactful.
Stay up to date with the evolving threat landscape (threat intelligence, campaigns) and incorporate into our product
Contribute to PR presence - technical research content, talks, open-source tooling.

We're looking for an AI Security Researcher to join us and uncover emerging AI threats, derive detection logic, discover new attack vectors, conduct red teaming, and identify insider threats and misconfigurations.
What You'll Do:
Deep-dive into AI usage risks, including threat detection for chat platforms and AI agents.
Research emerging agent threats and LLM attacks, such as jailbreaks and prompt injection.
Conduct red teaming and large-scale experiments on AI agents, including quantitative experimentation and advanced result analysis.
Assess internal and externally-facing AI agents for security posture and risk exposure.
Evaluate and attack real-time defenses and runtime protections for AI applications.
Conduct research across cloud, web, and API security to uncover novel threats and attack vectors relevant to AI systems.
Partner with product and engineering teams to turn research findings into detection logic, guardrails, or product features.
Stay current on and contribute to industry frameworks (e.g., OWASP LLM Top 10, MITRE ATLAS) - potentially contributing back to the community.
Publish blog posts, give talks, and represent research at conferences.

As a Principal/Senior Windows Exploit Researcher, you will be a key member of our Tel Aviv R&D center, responsible for leading research into Windows Anti-Exploit capabilities. You will leverage your top-notch knowledge of the latest exploitation techniques and deep Windows internals to architect and develop the next generation of security protections. Your work will directly contribute to safeguarding our customers from the most sophisticated cyber threats.
Key Responsibilities
Lead advanced research into novel vulnerabilities and complex exploits targeting the Windows operating system.
Architect, develop, and improve sophisticated anti-exploitation mitigations using low-level OS mechanisms, challenging the status quo with innovative solutions.
Drive the design, evaluation, and implementation of next-generation security technologies from conception to deployment.
Develop proof-of-concept (POC) exploits to validate research findings and test the effectiveness of new and existing mitigations.
Analyze customer escalations to help with detecting and preventing malicious activities in our customers networks
Publish research done internally.

We are looking for a Senior Security Researcher to join our Identity Threat Detection and Response team. In this role, you will research the evolving threat landscape and develop advanced detections to protect SAAS, Cloud, on-premises, and hybrid identities. You will focus on identifying and mitigating identity-related threats across networks, endpoints, and cloud environments, using statistical classification methods to build effective detection models and protecting customers at scale. Additionally, you will collaborate with cross-functional teams, validate detection concepts on real-world data, and continuously enhance detection capabilities to stay ahead of emerging threats.
Key Responsibilities
Research innovative methods for detecting targeted attackers operating in endpoints, networks, cloud and SAAS environments.
Simulate real-world attacks in lab environments and conduct a deep analysis of the behavior.
Develop and refine statistics-based classification algorithms and techniques to create and improve detection models.
Research specific scenarios to enhance our model's capabilities.
Collaborate within a diverse research group, improving our research processes and leading us to be a better team creating a better product.
Stay informed on the latest APTs, attacker methodologies, and TTPs to ensure our models stay ahead of emerging threats.

We are looking for a Senior Security Researcher to join our Identity Threat Detection and Response team. In this role, you will research the evolving threat landscape and develop advanced detections to protect SAAS, Cloud, on-premises, and hybrid identities. You will focus on identifying and mitigating identity-related threats across networks, endpoints, and cloud environments, using statistical classification methods to build effective detection models and protecting customers at scale. Additionally, you will collaborate with cross-functional teams, validate detection concepts on real-world data, and continuously enhance detection capabilities to stay ahead of emerging threats.
Key Responsibilities
Research innovative methods for detecting targeted attackers operating in endpoints, networks, cloud and SAAS environments.
Simulate real-world attacks in lab environments and conduct a deep analysis of the behavior.
Develop and refine statistics-based classification algorithms and techniques to create and improve detection models.
Research specific scenarios to enhance our model's capabilities.
Collaborate within a diverse research group, improving our research processes and leading us to be a better team creating a better product.
Stay informed on the latest APTs, attacker methodologies, and TTPs to ensure our models stay ahead of emerging threats.

We are a fast growing cybersecurity startup redefining how organizations defend themselves. As attackers leverage AI for high speed strikes, we provide defenders with the same capabilities. Our platform creates an AI driven Autonomous Attacker that thinks like a hacker, generating end to end attack chains across Web, Cloud, and AI applications to prioritize mitigation where it matters. Founded a year and a half ago, weve moved at lightning speed raising a Seed from CyberStarts and a Series A from Lightspeed. With offices in Tel Aviv and New York, we maintain a high transparency, low ego environment where exceptional individuals have the autonomy to make a massive impact on a category defining product.
We are looking for a talented Security Researcher to join our team. As the brain behind our AI, you will stay ahead of the hacker community, analyze sophisticated threats, and teach our platform how to think and act like an attacker to revolutionize the penetration testing landscape
What Youll Do
Conduct deep research to uncover vulnerabilities, analyze exploits, and develop novel attack techniques.
Investigate emerging threats and build complex, automated "kill chains" across Web, Cloud, and AI applications.
Perform detailed technical analysis, including reverse engineering, protocol analysis, and exploit development.
Work side-by-side with the engineering team to turn research findings into scalable, automated AI code.
Publish research findings and contribute to the global cybersecurity community.

we are looking for an experienced Security Researcher to join our growing research team.
What you will do:

Vulnerability Discovery: Research and discover vulnerabilities across AI applications, low-level products, and cloud environments, including the development of functional Proofs-of-Concept (PoCs).

Public Research & PR: Publish technical blogs and present your research at major security conferences.

Technical Product Research: Produce in-depth technical research and conduct reverse engineering of security products to directly support the development of Zafrans product and platform.

Stay up to date with newly discovered CVEs, attack techniques, and threat trends