Skip to content
Israeli Founders

CEO, Rein Security

Matan Bar-Efrat

Company
1
Raised by their companies
$33M
Role
CEO

Matan Bar-Efrat is the CEO of 1Rein Security, an Israeli startup.

Rein Security has raised $33M across 2 funding rounds2,1, most recently a Series A round on Oct 8, 2026.

Company

1 company

Companies founded by Matan Bar-Efrat
Rein SecurityReal-time application security for the AI era, from Unit 8200 alumnicybersecurity, AI agents2024Oct 8, 2026Series A$33M

Which Israeli startups are similar to Rein Security?

Sources

  1. 1CTech, Jan 28, 2026. “8200 alumni raise $8 million Seed round for Rein Security as AppSec faces the AI era”
  2. 2Calcalist (CTech), Oct 8, 2026. “Rein Security raises $25 million Series A as companies struggle to control their AI agents”

What company did Matan Bar-Efrat found?

Matan Bar-Efrat is a founder of Rein Security.

What is Matan Bar-Efrat’s role?

Matan Bar-Efrat is the CEO of Rein Security.

How much has Rein Security raised?

Rein Security has raised $33M across 2 funding rounds.