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חברה חסויה
Location: Merkaz
We are seeking a highly and motivated Vulnerability Researcher to join our innovative team. The role involves conducting in-depth research, identifying weaknesses in complex systems, and developing creative solutions to address them.
Responsibilities:
Conduct cutting-edge research to identify and exploit vulnerabilities in target systems.
Adapt existing vulnerabilities to create POC demonstrations and end-to-end solutions.
Design and implement novel, secure communication solutions, protecting our systems.
Develop and implement innovative techniques to overcome technical challenges.
Build, improve and refine existing exploitation methods.
Work independently to drive research projects from concept to completion.
Requirements:
2+ years of experience in vulnerability research.
2+ years of experience in revers engineering techniques.
2+ years of experience in identifying and adapting CVEs to production level.
Experience with networking protocols, network models, debugging, tunneling, proxies, and VPNs.
Proficiency in Linux environments, including bash, scripting and networking tools.
Proven experience with Remote Code Execution in technological systems.
Experience in developing, compiling, and\or analyzing embedded system binaries.
Solid understanding of cybersecurity principles, including vulnerabilities, attack vectors and defense mechanisms.
Experience in network system development or related fields.
This position is open to all candidates.
 
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6 ימים
חברה חסויה
Location: Ramat Gan
Job Type: Full Time and Hybrid work
As a GenAI Security Researcher, you’ll dive deep into the challenges of AI safety, conducting redteaming operations to identify vulnerabilities in generative AI systems and their infrastructure. You will conduct redteaming operations for finding and addressing risks to ensure AI models are robust, secure, and future-proof. As a Security Researcher, you will:
* Conduct sophisticated black-box redteaming operations to uncover vulnerabilities in generative AI models and infrastructure.
* Design new techniques to bypass the latest AI security mechanisms.
* Evaluate and strengthen the security of AI systems, identifying weaknesses and collaborating to implement improvements.
* Work with cross-functional teams to automate security testing processes and establish best practices.
* Stay ahead of emerging trends in AI security, ethical hacking, and cyber threats to ensure we’re at the cutting edge.

About ActiveFence:
ActiveFence is the leading provider of security and safety solutions for online experiences, safeguarding more than 3 billion users, top foundation models, and the world’s largest enterprises and tech platforms every day. As a trusted ally to major technology firms and Fortune 500 brands that build user-generated and GenAI products, ActiveFence empowers security, AI, and policy teams with low-latency Real-Time Guardrails and a continuous Red Teaming program that pressure-tests systems with adversarial prompts and emerging threat techniques. Powered by deep threat intelligence, unmatched harmful-content detection, and coverage of 117+ languages, ActiveFence enables organizations to deliver engaging and trustworthy experiences at global scale while operating safely and responsibly across all threat landscapes.

Hybrid:
Yes
Requirements:
Must Have
* 3+ years in offensive cybersecurity, especially focused on web applications and API security OR Advanced Ph.D. Candidates with a proven record of research in AI/Cybersecurity
* Strong programming and scripting skills (e.g., Python, JavaScript) relevant to AI security.
* In-depth understanding of AI technologies, particularly generative models like GPT, DALL-E, etc.
* Solid knowledge of AI vulnerabilities and mitigation strategies.
* Excellent problem-solving, analytical, and communication skills. Preferred Skills That Set You Apart:
* Certifications in offensive cybersecurity (e.g., OSWA, OSWE, OSCE3, SEC542, SEC522) OR Master's degree and above in Computer Science with a focus on Data Science or AI.
* Experience in end-to-end product development, including infrastructure and system design.
* Proficiency in cloud development.
* Familiarity with AI security frameworks, compliance standards, and ethical guidelines.
* Ability to thrive in a fast-paced, rapidly evolving environment.
This position is open to all candidates.
 
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חברה חסויה
Location: Herzliya
Job Type: Full Time
For a leading team, we are looking for a Vulnerability Researcher to research and develop cutting-edge cyber projects.

We are facing extremely complex technological challenges and need talents to help us overcome them.

Do what you love:

As a Vulnerability Researcher, you will be conducting top-notch security research on one of the most prominent operating systems in the market.

In this role you will be:

Playing a major role as part of our vulnerability research group

Research operating systems internals, kernel, application codebases, vulnerabilities, and exploits.

Design and implement the full chain solution while integrating with state-of-the-art security solutions of different domains.
Requirements:
Requirements:
2+ years of relevant industry experience as a Vulnerability Researcher or equivalent.
Experience with writing code in assembly and C or Python.
Experience with a dis-assembler for Vulnerability Research (IDA Pro or GHIDRA).
Familiarity with common exploitation methods.
Good understanding of OS internals (Mac, Windows, Android etc).
Familiarity with common security mitigations.
Highly motivated and creative individual.

Advantages:
Graduate of an elite technological unit in the IDF.
Bachelor's degree in computer science or software engineering.
This position is open to all candidates.
 
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הגשת מועמדותהגש מועמדות
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Location: Herzliya
Job Type: Full Time
We are looking for an embedded security researcher to join us in researching and developing cutting-edge cyber security projects.

Responsibilities

As an Embedded security researcher, you will be dealing with:

Embedded systems Reverse engineering.

Real-time Embedded End-to-End Low Level software developments on various unique embedded platforms and environments.
Requirements:
Deep understanding of embedded systems internals and operating systems.

5+ years of experience in real-time embedded systems development, writing code in C/C++ and Assembly.

Experience with embedded systems communication protocols, peripherals and debugging.

Experience in reverse-engineering using dis-assemblers (IDA Pro or GHIDRA).

Good knowledge of network communication protocols and topologies.

Experience in Python scripting.

Highly motivated and very creative individual.

Experience in vulnerability research - advantage.

Graduate of an elite technological unit in the IDF - advantage.

Bachelor's degree in computer science or engineering - advantage.
This position is open to all candidates.
 
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הגשת מועמדותהגש מועמדות
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5 ימים
חברה חסויה
Location: Tel Aviv-Yafo
Job Type: Full Time
Required Security Researcher
The Job
We are on an expedition to find you, someone who is passionate about creating intuitive, out-of-this-world security research. You'll help us harness the power of our trillions of security signals to rapidly diagnose and alert the latest attacker behaviors, drive critical context-rich signals, construct new tools and automations to support customers, identify threats, and detect advanced attacker techniques.
Responsibilities
Analyze various network devices, configurations and security products
Implement methods and algorithms to discover network topology, relationships between devices and potential lateral movement paths
Conduct network security assessments to identify weaknesses in customers network infrastructure, and recommend mitigations to monitor and limit unauthorized access
Develop research tools and frameworks to perform automatic analysis of network devices and security products
Research and analyze network-related cybersecurity threats and trends
Work closely with other internal engineering and AI teams to integrate new capabilities into our platform and guide cross-product architectural decisions
Act as a security subject matter expert for multidisciplinary teams.
Requirements:
5+ years of experience in cybersecurity landscape
Deep understanding of networking technologies and protocols, network security principles, firewalls, network access controls and network-based attacks
Experience in monitoring or analyzing network topologies, captures and flows
Deep knowledge in security mechanisms, products, detection techniques
Strong coding skills, with ability to develop end-to-end POC for new security capabilities
Excellent communication and team collaboration skills
Fluency in English.
This position is open to all candidates.
 
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הגשת מועמדותהגש מועמדות
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03/11/2025
Location: Tel Aviv-Yafo
Job Type: Full Time
We are looking for a Security Researcher to join our research group as part of a growing team developing Autopilot, an innovative product for autonomous investigation and response.
As a core member of the team, you'll go beyond research: youll research, design, and develop investigation modules that allow Autopilot to autonomously detect, investigate, and respond to advanced threats at a massive scale.
Youll analyze everything from new malware behaviors to attacker techniques and process activity in enterprise-scale networks, using data collected from across millions of endpoints. Your work will span identifying attack patterns and uncovering statistical anomalies, as well as validating that the system responds effectively to real-world attacks and APT campaigns using production data.
Your Impact
Research and implement new autonomous methods for investigating and responding to targeted attackers, using large-scale, diverse security datasets
Develop and design the graph-based algorithms that power autonomous investigation and decision-making capabilities
Design automated incident response by developing reusable logic that transforms raw security data and alerts into clear, actionable insights.
Leverage graph algorithms, AI techniques, and statistical methods to mimic and scale human security analyst workflows
Conduct deep, hands-on investigations into modern malware, APTs, and complex attack flows to inform detection and response logic
Stay up to date with attacker methodologies, tools, and techniques (TTPs), ensuring our product remains effective against evolving threats
Contribute to a collaborative, fast-paced research team, helping shape our research strategy, improve processes, and continuously enhance the product,
Requirements:
5+ years of experience in security or threat research, in which you conducted deep research with actionable insights and real-world impact.
Proven experience as part of an R&D/development team, along with strong proficiency in Python programming
Intimate knowledge and understanding of attack methods and techniques over endpoints and enterprise networks
Comfortable working with large-scale datasets to extract meaningful insights through advanced analysis
Strong sense of ownership and ability to independently drive projects from concept to execution
Critical thinker who thrives both independently and in collaborative team environments
Excellent verbal and written communication skills
A cybersecurity professional driven to solve the next generation of security challenges.
Advantage : In-depth knowledge of the inner workings of operating systems (especially Windows)
Experience working with graph DB and algorithms
Experience in statistics, advanced data studies, or machine learning
This position is open to all candidates.
 
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הגשת מועמדותהגש מועמדות
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2 ימים
Location: Tel Aviv-Yafo and Netanya
Job Type: Full Time
The CSO Security team is looking for a Senior Application Security Researcher. In this role, you will perform vulnerability research, assess existing architectures, and build and run tools to secure the application landscape at scale. You will work closely with R&D and DevOps teams and be the focal point for identifying and solving complex security challenges. This is a hands-on, development-focused role with the goal of ensuring our products adhere to the stringent security requirements of our thousands of customers.

As a Senior Application Security Researcher you will
Continuously assess and challenge our overall security posture to ensure optimal and up-to-date platform security in our products and systems.
Evaluate architecture, design, and code to ensure they are free from potential vulnerabilities and security risks.
Train and mentor developers about security frameworks, testing, vulnerabilities, and best practices to ensure code compliance.
Evaluate new technologies and standards in the application security domain.
Plan and lead cross-company efforts with the R&D that will improve our security posture.
Requirements:
To be a Senior Application Security Researcher you need
4+ years of hands-on experience in an application security role.
Experience with Web Penetration Testing (Hands On) - Mandatory.
Strong coding skills, preferably in Java, Golang, and JavaScript - Mandatory.
Experience with cloud environments - an advantage.
Experience with microservices (Docker, K8S, Service Mesh) - an advantage.
Excellent problem-solving skills and the ability to work independently with a strong sense of ownership.
Good communication skills and a true passion to educate others and achieve continuous improvement.
This position is open to all candidates.
 
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הגשת מועמדותהגש מועמדות
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03/11/2025
Location: Tel Aviv-Yafo
Job Type: Full Time
Required Senior Cloud Security Researcher (Cortex)
Your Career
Are you passionate about innovation in cloud security and want to redefine how Security Operations Centers (SOCs) leverage both agent and agentless technologies for detection and response? Join our cutting-edge Security Research team and lead the development of next-generation cloud detection and response solutions. In this role, you will define detection use cases, analyze threat data, and create advanced security content to protect against evolving threats in cloud environments. Be part of an exceptional team of researchers and engineers dedicated to safeguarding our customers. This is your opportunity to dive into pioneering technologies that integrate cloud security with innovative detection methodologies in a world-leading cybersecurity company.
Your Impact
Conduct ongoing research to identify and develop new detection techniques for both agent-based and agentless cloud technologies
Stay ahead of Advanced Threats, attacker methodologies, and Tactics, Techniques, and Procedures (TTPs) to ensure our solutions remain proactive and effective against emerging threats
Simulate real-world attack scenarios in lab settings, performing in-depth analysis of adversarial behaviors and their implications for cloud security
Foster a collaborative atmosphere within an experienced, diverse, and supportive research team, driving forward new and innovative ideas in cloud detection and response.
Requirements:
3+ years of experience in leading security research teams or projects, with a proven track record in managing complex security research initiatives, particularly in cloud environments
At least 5 years of hands-on experience in cybersecurity research, with extensive knowledge of cloud security principles, attack vectors, and defense strategies
Strong proficiency in programming (e.g., Python) and experience with cloud platforms (e.g., AWS, Azure, Google Cloud) to develop detection and analysis tools
Data Analysis - Proficient in SQL or similar query languages for analyzing large datasets and identifying attack patterns specific to cloud services
Communication - Excellent verbal and written communication skills, with the ability to present complex research findings, processes, and concepts clearly to both technical and non-technical audiences
A demonstrated history of developing novel security solutions or contributing innovative ideas to the cybersecurity community, especially in the realm of cloud detection and response
Bonus Points
Experience with both agent-based and agentless security technologies, including EDR, XDR, or similar tools for cloud environments
Prior work in threat intelligence, APT research, or incident response focused on cloud services.
This position is open to all candidates.
 
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הגשת מועמדותהגש מועמדות
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05/11/2025
חברה חסויה
Location: Tel Aviv-Yafo
Job Type: Full Time
Were looking for a highly technical and creative Security Researcher to join our research group. This role is central to navigating complex security landscapes, advancing our CNAPP offerings, crafting sophisticated algorithms, and pioneering cloud security research. Working alongside a diverse team, youll explore the cutting edge of cloud and AI-driven security, uncovering critical vulnerabilities, developing novel detection techniques, and driving impactful research publications. Join us in shaping the future of cloud security, where your work not only advances our technology but also deeply resonates with our commitment to exceeding customer expectations, streamlining for simplicity, and tackling challenges with creative solutions.





Responsibilities

Collaborate with teams across the organization, including Product, Frontend, DevOps, and GTM, to develop and integrate top-tier features.
Conduct deep technical research into cloud-native environments.
Lead initiatives from their inception through to deployment, emphasizing backend system efficiency, scalability, and reliability.
Innovate in Defense Evasion, amplifying the capabilities of our agents and engines.
Forge new paths in cloud security research and cyber security algorithm development.
Deep dive into threat detection and product content that provide deep insights and added value to our customers.
Requirements:
+3 years of experience in cybersecurity, particularly in cloud environments.
Military background experience, University Degree, or Ex-CNAPP.
Proficiency in Cyber Security, Posture management, and familiarity with cloud technologies and platforms.
Proven ability to research complex security topics: Kubernetes, eBPF, runtime-based security, AI/ML-driven anomaly detection, and threat modeling.
Demonstrated customer-first approach, committed to exceeding expectations and simplifying processes to enhance overall customer success.
Exceptional communication skills and professionalism, with meticulous attention to detail and a proactive stance in all interactions and tasks.
Resourcefulness and creativity in problem-solving, capable of achieving high standards and overcoming challenges with less.
This position is open to all candidates.
 
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הגשת מועמדותהגש מועמדות
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13/11/2025
Location: Ramat Gan
Job Type: Full Time
About the position As a Red Team Specialist focused on Generative AI Models, you will play a critical role in enhancing the security and integrity of our cutting-edge AI technologies. Your primary responsibility will be to conduct analysis and testing of our generative AI systems, including but not limited to language models, image generation models, and any related infrastructure. Your objective is to help clients secure their AI models and frameworks by identifying weaknesses, assessing risks, and providing clear steps for improvement.
Key Responsibilities:
* Simulated Cyber Attacks: Conduct sophisticated and comprehensive simulated attacks on generative AI models and their operating environments to uncover vulnerabilities.
* Vulnerability Assessment: Evaluate the security posture of AI models and infrastructure, identifying weaknesses and potential threats.
* Risk Analysis: Perform thorough risk analysis to determine the impact of identified vulnerabilities and prioritize mitigation efforts.
* Mitigation Strategies: Collaborate with development and security teams to develop effective strategies to mitigate identified risks and enhance model resilience.
* Research and Innovation: Stay abreast of the latest trends and developments in AI security, ethical hacking, and cyber threats. Apply innovative testing methodologies to ensure cutting-edge security practices.
* Documentation and Reporting: Maintain detailed documentation of all red team activities, findings, and recommendations. Prepare and present reports to senior management and relevant stakeholders.
Requirements:
Must-Have
* Proven experience in AI vulnerabilities analysis
* Strong understanding of AI technologies and their underlying architectures, especially generative models and agentic frameworks.
* At Least 5 years of experience in Web Penetration testing.
* Excellent analytical, problem-solving, and communication skills.
* Ability to work in a fast-paced, ever-changing environment. Nice-to-Have
* Proficiency in Python or NodeJS
* Advanced Certifications in offensive cybersecurity (e.g. OSWE, OSCE3, SEC542, SEC522) are highly desirable.
* Familiarity with agentic frameworks and agentic development experience
* Bachelor’s or Master’s degree in Computer Science, Information Security, or a related field.
* Proven records for vulnerability disclosure, such as CVE
This position is open to all candidates.
 
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הגשת מועמדותהגש מועמדות
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03/11/2025
Location: Tel Aviv-Yafo
Job Type: Full Time
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.
Your Impact
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.
Requirements:
At least 5 years experience with Active Directory security and identity related attacks
2+ years of experience with Entra ID (formerly Azure AD) or SAAS application - Advantage
In-depth knowledge of the inner-workings of operating systems
In-depth Knowledge of network protocols, including but not limited to Kerberos, RPC, SMB, HTTP, SMTP, DNS, DHCP, etc
In-depth knowledge of enterprise infrastructure, including Active Directory, FW, VPN, Security products, etc
At least 2 Years of experience coding Python - Advantage
Strong knowledge of SQL language - Advantage
Experience with red-teaming / pentest of Entra ID - Advantage
Experience with machine learning / data analysis / cloud infrastructure / security - Advantage
Ability to drive and own projects from start to finish
Independent and a team player, a critical thinker.
This position is open to all candidates.
 
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