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..

our companys Harmony SASE is looking for an Information Security Manager to join its staff.
This is a unique opportunity for you to work in the #1 worldwide Cyber Security Company, gain expertise and experience leading the information security program for the best of SASE (Secure Access Service Edge).
Key Responsibilities
As Information Security Manager you will:
Governance, Risk & Compliance
Lead and manage the Product Security team
Build, operate, and continuously improve the Harmony SASE Information Security Management System (ISMS), aligning policies, standards, and controls with our company and industry best practices.
Own the Harmony SASE compliance roadmap - lead and maintain certifications and attestations including ISO/IEC 27001, SOC 2 Type II, GDPR, IRAP and C5
Lead enterprise risk assessments and the third-party / vendor risk program, ensuring risks are identified, prioritized, and treated.
Coordinate internal and external audits, manage evidence collection, and remediate findings to closure.
Product & Application Security
Develop and implement a comprehensive AI - Secure Software Development Lifecycle (AI S-SDLC) framework, embedding security into every phase of the SDLC and CI/CD pipelines.
Conduct threat modeling and secure architecture reviews for new and existing Harmony SASE features, partnering with R&D to mitigate vulnerabilities by design.
Operate the application security tooling stack - ASPM, SAST, DAST, SCA, AI Security Scanning and secret scanning - at scale, and partner with development teams to drive findings to remediation while maintaining developer productivity.
Champion secure coding practices and OWASP Top 10 awareness across R&D.
Operational Security & Incident Response
Lead security incident response for Harmony SASE - preparedness, detection, containment, eradication, recovery, and lessons-learned - covering both product and information security incidents.
Oversee identity and access governance, ensuring least-privilege, segregation of duties, and access reviews across production and corporate environments.
Design and operate security automation to enhance the efficiency and coverage of security operations.
Security Culture & Enablement
Foster a culture of security awareness and continuous improvement; deliver targeted training for engineers, operations, and broader staff.
Lead responses to customer security questionnaires, RFPs, and due-diligence requests, representing Harmony SASEs security posture to customers and partners.
Stay current on the evolving Threats Landscape, regulations, and technologies, and translate them into pragmatic improvements to the security program.

We are seeking a highly skilled and experienced Head of Application Security to join our dynamic team. This role is pivotal in driving the security of our software development lifecycle and ensuring the robustness of our applications against potential threats. The ideal candidate will have a strong background in secure software development practices, including SSDLC implementation, and a deep understanding of security risks & tools. This position reports directly to an R&D VP.
Key Responsibilities
Lead the application security team, providing strategic direction and mentorship.
Develop and implement a comprehensive Secure Software Development Lifecycle (SSDLC) framework.
Oversee the integration of security practices into all phases of the software development lifecycle, including CI/CD guardrails.
Conduct risk assessments and threat modeling to identify and mitigate potential security vulnerabilities.
Collaborate with development teams to ensure secure coding practices and adherence to security standards, while maintaining developer productivity.
Implement and manage security automation tools and processes to enhance the efficiency of security operations.
Stay up-to-date on the latest security trends, vulnerabilities, and technologies to continuously improve our security posture.
Provide expert guidance on security architecture and design for new and existing applications.
Lead incident response efforts related to application security breaches and vulnerabilities.
Foster a culture of security awareness and continuous improvement within the organization.

We are seeking a seasoned security leader to manage a high-caliber research team focused on the security of Identity, SaaS, and Cloud ecosystems. In this role, you will provide technical mentorship and strategic vision, guiding research into service risk profiling and adversarial TTPs analysis. You will be the bridge between cutting-edge research and product innovation, ensuring our findings translate into high-impact security outcomes to stay ahead of modern adversaries.
Key Responsibilities
Define the research roadmap for Identity, SaaS, and Cloud risks, ensuring the team's outputs align with the evolving threat landscape and company goals.
Lead and grow a diverse team of security researchers, providing the technical guidance and career development necessary to maintain a world-class research organization.
Leverage your experience in a product-focused environment to ensure research outcomes directly influence service security strategies and customer-facing solutions.
Oversee the execution of high-fidelity attack simulations and TTP deconstruction, ensuring the 'how-to' of secure service usage is clearly defined and actionable.
Partner with Engineering, Product Management, and Threat Intel teams to transform raw research into robust mitigation strategies and resilient service blueprints.
Represent the team's research internally and externally, positioning the organization as a premier authority on Identity-centric and Cloud security.

We're hiring a Detection Engineering & Response Lead to build and run our D&R capability from the ground up. You'll own the detection engineering, threat intelligence, and incident response functions across Cloud - and lead a small, growing team of analysts and engineers.

This is a lead engineering role responsible for detection development, handling the most complex security incidents, forensics, and shaping the D&R strategy.

What youll do
Lead detection development: maintain low false-positive and false-negative rates. Work closely with alerts consumers (20+ teams) to keep noise low and signal high, ensuring they can act quickly without missing genuine threats.

Architect and operate detection coverage across our cloud and bare-metal environments

Build and extend our internal D&R tools and pipelines - onboard new logs, build and automate response runbooks.

Integrate threat intelligence into detection logic and IR playbooks, tracking adversary TTPs relevant to Cloud infrastructure

Lead incident response end-to-end: scoping, containment, root cause analysis, post-incident reviews and controlling critical action items are closed to prevent future possible incidents.

Partner with Compliance and Engineering teams to detect real threats while meeting the needs of both engineers and regulators.

Define and report on D&R metrics: MTTD, MTTR, detection coverage, false positive rates, etc.

Build and maintain Security Incident Response program: people, processes, tools.

Build tools, runbooks, and on-call processes that scale as the company grows.

we are looking for a Senior Web Security Researcher.
As a Senior Web Security Researcher at Nimble, you will spearhead our efforts in the research domain, driving our cutting-edge data gathering solutions. You will work on complex technical challenges at the intersection of browser internals, reverse engineering, and large-scale data gathering. You will analyze and break down advanced client-side protection mechanisms, dive into large and complex codebases such as Chromium, and develop high-performance, cross-platform capabilities that power our products.
This role is both hands-on and research-driven: youll be expected to investigate hard problems, turn insights into solutions, and help push the boundaries of whats possible in web data gathering.
What Youll be Doing:
Reverse-engineer and analyze advanced bot-detection systems, including JavaScript based mechanisms and API interaction flows.
Analyze and modify large-scale browser codebases that empower our products.
Apply a deep understanding of browser internals and architecture to improve stability, performance, and resistance to anti-automation measures.
Collaborate with researchers and developers to integrate findings into production solutions.
Provide technical guidance and mentorship within the research team.

We're looking for an experienced Security Researcher to join our core team and deep dive into CVEs, conducting cutting-edge vulnerability research that directly powers Echo's revolutionary approach to eliminating container vulnerabilities at the source.
Responsibilities:
Conduct deep-dive research into CVEs and vulnerabilities, analyzing root causes and attack vectors to inform our AI-powered prevention platform
Perform reverse engineering analysis using tools like IDA Pro, Ghidra, or similar platforms to understand complex security vulnerabilities and exploitation techniques
Research and analyze complex low-level system mechanisms including kernel vulnerabilities, network security issues, and operating system weaknesses
Think outside the box, challenge existing assumptions, and create innovative approaches to vulnerability research and prevention
Work in a unique environment where your research insights are rapidly implemented into our product, creating direct real-world impact from your vulnerability research
Contribute to Echo's technical knowledge base and help establish new methodologies for proactive vulnerability identification and mitigation

We are looking for highly capable Incident Response Expert. The Incident Response Expert role includes conducting in-depth forensic analysis, investigation and response to real-world cyber threats. A significant part of our investigations is performed onsite at the client location, in collaboration with the clients IT and security teams.
Main Responsibilities:
Participate in forensic and incident response investigations, including large scale sophisticated attacks, conduct log analysis, host and network-based forensics and malware analysis.
Participate in threat hunting: proactively hunt for targeted attacks and new emerging threats in clients networks; as well as security assessments and simulations.
Identify indicators of compromise (IOCs) and tools, tactics, and procedures (TTPs) to help ascertain whether and how breaches have occurred.
Utilize and develop tools and methodologies to improve our existing investigative and hunting technological stack.
Collaborate with IT and Security teams during investigations.
Generate and present a comprehensive and professional report of findings from investigations.

This is a hands-on role that balances deep technical work along with building and running the function: the Lead drives high-severity incidents end-to-end, serves as the escalation ceiling, and sets the standards and structure the team operates by.

Youre welcome to work in our offices in Tel Aviv, Israel.

Your responsibilities will include:

Build and lead global DFIR capability - select and mature DFIR tooling, and establish the playbooks and follow-the-sun operating model across EMEA, Asia, and APAC while hiring and developing a team of responders.
Lead the technical response to major incidents hands-on - from escalation through containment, eradication, and recovery - and act as the final technical authority on the most complex cases.
Personally conduct end-to-end forensic investigations across cloud, platform, and endpoint environments - log analysis at scale, host and network forensics, memory analysis, malware triage, and timeline reconstruction.
Define and enforce consistent investigation standards across the team: severity and escalation criteria, cross-region handoff quality, and evidence handling that meets legal, regulatory, and forensic requirements.
Partner with the SOC, SOC Automation, Threat Intelligence, Threat Hunting, and Platform Security teams to improve detection fidelity and reduce MTTD and MTTR.
Serve as the technical voice of incident response to executive leadership, Legal, and Privacy - delivering clear, risk-based briefings, regulatory-ready documentation, and root cause analyses (RCA).
Raise the teams technical bar through case reviews and hands-on mentoring, and drive lessons-learned into measurable improvements in controls and readiness.

Required Director Application Security
About the Role:
As the Director of Product Security, you will spearhead our efforts to fortify and enhance the security posture of our products and runtime environments and play a critical leadership role in overseeing the design, implementation, and maintenance of security controls for the organizations complex product applications, platform, development and cloud infrastructure.
You will lead a team of security experts and collaborate closely with engineering, product, and other business units to ensure the security and integrity of our applications, platforms, cloud infrastructure, and code stack against current & evolving threats.
Your leadership will be instrumental in embedding security best practices throughout the development and operations pipeline, ensuring a secure and scalable product environment. You will also drive the strategy, development, and implementation of a comprehensive application security program across our cloud-based applications.
Reporting line: VP Security Engineering
What Youll Do:
Strategic Leadership and Team Management:
Strong leadership skills to develop and lead the strategic direction for the Application and Cloud Security teams.
Lead risk assessments, threat modeling, and secure design reviews of cloud platforms to proactively identify vulnerabilities and ensure compliance with security standards.
Oversee the design, implementation, and maintenance of security controls across multi-cloud environments (AWS, GCP, Azure) to protect infrastructure and applications.
Experience in collaborating with cross-functional teams, including engineering, product management, and customer support, to embed security into product development and all aspects of cloud deployments.