Summary
Overview
Work History
Education
Skills
Languages
Timeline
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Sagiv Feldberg

Tel Aviv

Summary

Principal Cybersecurity Professional & Threat Researcher with deep expertise at Google and Unit 8200, operating at the intersection of nation-state threat intelligence, AI threats, and enterprise security architecture. Proven record in tracking APTs using frontline Mandiant IR telemetry, analyzing threat actors exploiting AI, and partnering directly with CISOs and security architects to implement actionable defensive controls. Background combining large-scale team leadership, hands-on offensive security, and data analytics (B.Sc. in CS, MBA in Data Analytics & AI).

Overview

2
2
Languages
10
10
years of professional experience

Work History

Principal Cyber Security Analyst

Google
Tel Aviv
12.2022 - Current
  • Partnered directly with CISOs, security architects, and SecOps teams to operationalize research, translating complex adversary TTPs and AI abuse vectors into actionable security controls and resilient architectures.
  • Formulated risk mitigation frameworks and executive-level threat assessments for commercial and government leadership, enabling proactive measures against emerging nation-state and AI-driven cyber operations.
  • Conducted threat research on APTs and adversary AI weaponization, analyzing Mandiant IR telemetry through intelligence-driven hunting, Python, and SQL to enhance understanding of cyber threats.
  • Authored threat intelligence research blogs and delivered technical presentations at industry conferences, contributing to external thought leadership on cyber risk landscapes and adversary tradecraft.

Major in Unit 8200

8200 / IDF
Tel Aviv
07.2021 - 12.2022
  • Commanded 35 cyber analysts across five specialized operational teams, directing high-stakes cyber intelligence operations, adversary tracking, and complex threat investigations.
  • Streamlined cross-unit analytical workflows and operational execution, enhancing intelligence delivery and coordination in high-tempo environment.

Penetration Tester

8200 / IDF
Tel Aviv
12.2020 - 07.2021

Completed six-month placement within offensive cyber team, deepening hands-on expertise in adversary tradecraft and executing significant cyber operations.

Cyber Analysis Team Leader

8200 / IDF
Tel Aviv
08.2019 - 12.2020

Commanded a team of 5–7 cyber analysts within a flagship project awarded the Israel Defense Prize, directing complex threat investigations and translating findings into operational defense measures.

Course Commander

Havatzalot Excellence Program
Haifa
08.2018 - 07.2019

Commanded 25 officer cadets in 'Havatzalot' excellence program of Military Intelligence Corps, providing comprehensive intelligence training and supporting university studies while guiding personal growth and leadership development

Data Analysis Team Lead

IDF / Research Department
Tel Aviv
11.2016 - 08.2018

Utilized big data models, Python, and SQL to analyze extensive datasets, deriving critical intelligence assumptions, behavioral patterns, and strategic insights for senior stakeholders.

Education

MBA - Financial And Data Management

Tel Aviv University
Tel Aviv
11-2020

Bachelor of Science - Computer Science

University of Haifa
Haifa, Israel
08-2016

Skills

  • Threat Intelligence & Operations: CTI, APT Research, Threat Hunting, Adversary Emulation, Penetration Testing, AI/LLM Threat Research
  • Data & Engineering: Python, SQL, Big Data Modeling, Telemetry Analysis, Cloud Security Fundamentals (GCP/AWS)
  • Advisory & Architecture: Enterprise Security Architecture, CISO & Executive Advisory, Security Controls Implementation, Cross-Functional Technical Leadership

Languages

English
Full Professional
Hebrew
Native/ Bilingual

Timeline

Principal Cyber Security Analyst

Google
12.2022 - Current

Major in Unit 8200

8200 / IDF
07.2021 - 12.2022

Penetration Tester

8200 / IDF
12.2020 - 07.2021

Cyber Analysis Team Leader

8200 / IDF
08.2019 - 12.2020

Course Commander

Havatzalot Excellence Program
08.2018 - 07.2019

Data Analysis Team Lead

IDF / Research Department
11.2016 - 08.2018

MBA - Financial And Data Management

Tel Aviv University

Bachelor of Science - Computer Science

University of Haifa
Sagiv Feldberg