CYREBRO
CYREBRO provides managed detection and response services for cybersecurity, using AI and a security data lake to monitor threats and respond to incidents. It serves over 900 businesses and has raised $61M, most recently in a Series C round in September 2022.
The growth story
CYREBRO grew from 76 to 80 employees between 2021 and 2026, raising $61M along the way, most recently a Series C in September 2022.
About
CYREBRO offers a managed detection and response (MDR) platform that combines SOC monitoring, threat intelligence, and incident response. Its security data lake enhances SIEM and SOAR capabilities, providing visibility and actionable insights for businesses of all sizes.
The company has grown to 80 employees and secured $61M in funding, including a Series C round in 2022. Its focus on AI-native solutions and hands-off control positions it as a key player in the cybersecurity space.
Founders and leadership
Engineering is the largest function at CYREBRO, with 14 employees. The company is led by a team with deep cybersecurity expertise, reflecting its focus on advanced threat detection and response.
The CYREBRO org chart
Nadav Arbel (CEO & Co-Founder) leads 35 mapped leaders with 4 direct reports. Click +N to expand a team; names link to the person’s public profile.
Departments, and which ones grew
Headcount by function: Information Technology 27 (-23% YoY), Engineering 10 (-29% YoY), Customer Success and Support 8 (-20% YoY), Business Development 7 (0% YoY), Sales 7 (-12% YoY), Operations 5 (0% YoY).
Talent flow
CYREBRO's workforce has strong ties to Israeli military and intelligence units, including the Israel Defense Forces and Unit 8200. Alumni often move to cybersecurity firms like Cato Networks, SentinelOne, and Palo Alto Networks.
Most common previous employers of CYREBRO staff: Israel Defense Forces (4), HP (2), Israeli Military Intelligence - Unit 8200 (2), האקריו - HackerU (2), Israeli Air Force (2), IBM (2). Former CYREBRO employees most often moved to Nebius (7), Cato Networks (5), Varonis (4), SentinelOne (4), Vega (4), Palo Alto Networks (4).
Alumni worth knowing
The CYREBRO mafia
CYREBRO alumni have founded 12 companies, including Koi, CalCom, and Cyvore, showcasing their entrepreneurial impact in the cybersecurity and tech sectors.
12Matthew Album, was Chief Revenue Officer (CRO) until 2025Guy Nizan, was Cyber consultant until 2014Yiftach Rotem, was Cyber Threat Hunt until 2023Kfir Azoulay, was Head of Cyber Threat Response until 2024Zakhar Bernhardt, was Cybersecurity Development Team Lead until 2023
Yinon Hacmon, was COO until 2017
© Guy Mizrahi, was Co-Founder until 2017
Amir Tetelbaum, was Co Founder until 2017
Avi Zukarel, was Senior Product Manager until 2023
Asaf Yona, was Operations Manager until 2020
Avi Kedem, was Cyber Security Analyst until 2021Web traffic
Traffic mix: 80% direct, 5% search, 2% social, 0% paid.
What this company is made of
Most common skills at CYREBRO: Microsoft Office (23), Team Leadership (21), Project Management (19), Analytical Skills (19), Cybersecurity (19), IBM QRadar (18), Management (18), Linux (17).
Where the team actually sits
CYREBRO people are concentrated in Tel Aviv District, Israel (16), Israel (15), Center District, Israel (12), Ukraine (4).
Search footprint
CYREBRO attracts about 389 organic search visits a month, traffic worth roughly $4K a month if bought through ads. It gained 100 ranking keywords and lost 78 in the last period.
What employees say
- Compensation
- 2.80 / 5
- Career opportunities
- 3.30 / 5
- Senior management
- 3.40 / 5
- Work-life balance
- 3.60 / 5
Frequently asked
CYREBRO has 80 employees as of September 2026.
CYREBRO has raised $61M in total, most recently a Series C round in September 2022.
CYREBRO was founded in 2013 by Nadav Arbel, Dudu Jansenson, Yossi Gabay.
Nadav Arbel (CEO & Co-Founder) sits at the top of CYREBRO's reporting structure, with 4 direct reports.
The most common previous employers of current CYREBRO staff are Israel Defense Forces (4 people), HP (2 people), Israeli Military Intelligence - Unit 8200 (2 people).
Former CYREBRO employees most often move to Nebius (7), Cato Networks (5), Varonis (4).
At least 12 companies have a founder who previously worked at CYREBRO, including Koi, CalCom, Recapp Sports.
CYREBRO attracts about 389 organic search visits a month, worth roughly $4K a month in equivalent ad spend.
The most common skills among CYREBRO staff are Microsoft Office, Team Leadership, Project Management, Analytical Skills, Cybersecurity.
CYREBRO staff are concentrated in Tel Aviv District, Israel (16), Israel (15), Center District, Israel (12).
CYREBRO has about 27 people in Information Technology, down 23% over the past year, as of September 2026.
CYREBRO has about 10 people in Engineering, down 29% over the past year, as of September 2026.
Computed from 68 current and 260 former CYREBRO profiles, as of September 2026. Source: Crustdata.
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