Rein Security
Rein Security is a software platform that provides cybersecurity services, specialising in Application Security(AppSec).
Rein Security is a company based in Tel Aviv, Israel. Recent Funding lists it under Cybersecurity. It raised $25M in a Series A round in October 2026, led by Glilot Capital Partners, according to calcalistech.com. Recent Funding has 2 sourced rounds on record for it, totaling $33M, the first in January 2026. Investors on record include Amir Jerbi, Atlacle, Corner Ventures, Ofer Ben Noon and 2 others. It was founded by Matan Bar Efrat and Netanel Rubin.
Rein Security | 2 days from X account to first raise on record
Money raised, round by round (amounts linked to their source). Pins are dated signals; hover the icons for dates.
Funding rounds
- Series A · $25MSource: calcalistech.com
- Seed · $8MSource: fintech.global
- X account created
Founders and team
MB
Matan Bar Efrat Co Founder & CEOsource: reinsec.ioNR
Netanel Rubin Co-Founder & CTOsource: reinsec.io
Investors
AAmir Jerbi
AAtlacle
CCorner Ventures
GGlilot Capital Partnerslead investor
OOfer Ben Noon
- RRNP Capital Advisors
SSiennalead investor
YYoav Alon
Rein Security: questions and answers
- How much has Rein Security raised?
- Rein Security has raised $33M across 2 sourced rounds on record. The latest is $25M (Series A), announced October 8, 2026.
- Who invested in Rein Security?
- Investors on record for Rein Security: Amir Jerbi, Atlacle, Corner Ventures, Glilot Capital Partners, Ofer Ben Noon, RNP Capital Advisors, Sienna and Yoav Alon. Glilot Capital Partners led its latest sourced round.
- Who founded Rein Security?
- Rein Security was founded by Matan Bar Efrat (Co Founder & CEO) and Netanel Rubin (Co-Founder & CTO).
- Where is Rein Security based?
- Rein Security is based in Tel Aviv, Israel.
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Glilot Capital Partners portfolio →
Every amount links to the page it came from. How Recent Funding sources and verifies funding data. The same data as JSON: /api/v1/companies/rein-security (get a free API key).