# Nadir Izrael

> Nadir Izrael is a seed investor at Cyberstarts (Palo Alto) backing Security and Software. See 15 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Cyberstarts](https://shizune.co/investors/profile/cyberstarts)
- Location: Palo Alto, United States
- Total investments: 15
- Last investment: Jun 2026
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/nadiriz/

Nadir Izrael is a seed investor at Cyberstarts in Palo Alto focused on Security and Software. As co-founder and CTO, Nadir Izrael guides the technology vision behind Armis to protect the new connected or IoT devices in and around the workplace. He co-founded the company in 2015 with its CEO, Yevgeny Dibrov. Prior to Armis, worked at Google as senior software engineer. Before Google, Nadir spent six years in the Israeli army, specifically inunit 8200, where he designed and programmed software projects and systems, serving as team leader and attaining the rank of captain.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $5M–$20M |
| Series A | $17M–$33M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Security | 4 | 27% |
| Software | 4 | 27% |
| Cyber Security | 4 | 27% |
| Network Security | 4 | 27% |
| Artificial Intelligence | 4 | 27% |

16 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 9 | 60% |
| Series A | 5 | 33% |
| Pre-Seed | 1 | 7% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Israel | 10 | 67% |
| United States | 2 | 13% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Aryon Security | Aryon Security provides a cloud security enforcement platform that helps organizations prevent security risks before they are deployed into cloud environments. The company enables security teams to define, manage, and enforce cloud security policies across infrastructure managed through infrastructure-as-code tools, command-line interfaces, cloudconsoles, and third-party services. Its platform applies preventive controls at the deployment stage, helping organizations address configuration risks before they reach production environments. The solution includes policy management, automated policy recommendations, exception handling workflows, drift monitoring, and support for multi-cloud environments. Aryon Security also offers AI-driven policy capabilities that adapt security controls to an organization’s cloud infrastructure and operational requirements, helping teams maintain governance and compliance while reducing reliance on reactive remediation processes. | $29M | Series A | Jun 10, 2026 |  |
| Pi Security | Pi Security is an agentic AI-driven product security platform that enables organizations to automate security throughout the software development lifecycle, proactively uncover risks, strengthen compliance, and accelerate secure software delivery. | $25M | Series A | Jun 10, 2026 |  |
| Ocean | Ocean develops an AI-native email security platform designed to detect and prevent phishing, business email compromise, financial fraud, and other targeted email attacks. The platform uses autonomous AI agents to investigate emails in real time by analyzing intent, validating identities, examining links and infrastructure, and gathering contextualinformation. Ocean also provides automated triage, incident response, and employee guidance capabilities to help organizations manage email security operations. | $20M | Series A | May 19, 2026 |  |
| Daylight Security | Daylight Security provides agentic security services that allow organizations to operate and establish traditional Security Operations. | $33M | Series A | Nov 04, 2025 |  |
| Daylight Security | Daylight Security provides agentic security services that allow organizations to operate and establish traditional Security Operations. | $7M | Seed | Jul 22, 2025 |  |
| Atero | Atero provides a proprietary technology platform that improves GPU management and memory optimization for AI. | $12M | Seed | Jul 10, 2024 |  |
| Backslash Security | Backslash Security is revolutionizing application security with a cloud-native solution that emphasizes risk context. | $8M | Seed | Mar 22, 2023 |  |
| Axiom | Axiom is an IAMOps platform provider that enables seamless, scalable, and secure Cloud and SaaS authorization. | $7M | Seed | Dec 06, 2022 |  |
| Dream | Dream Security provides critical infrastructure defensive cyber solutions. | $20M | Pre-Seed | Oct 12, 2022 |  |
| Dream | Dream Security provides critical infrastructure defensive cyber solutions. | $20M | Seed | Oct 12, 2022 |  |

10 of 15 investments shown.

## Co-investors
- [Lightspeed Venture Partners](https://shizune.co/investors/profile/lightspeed-venture-partners) — VC Fund, 3 deals together
- [Bain Capital Ventures](https://shizune.co/investors/profile/bain-capital-ventures) — VC Fund, 2 deals together
- [Craft Ventures](https://shizune.co/investors/profile/craft-ventures) — VC Fund, 2 deals together
- [Maple VC](https://shizune.co/investors/profile/maple-vc) — VC Fund, 2 deals together
- [Battery Ventures](https://shizune.co/investors/profile/battery-ventures) — VC Fund, 1 deal together
- [Brightmind Partners](https://shizune.co/investors/profile/brightmind-partners) — VC Fund, 1 deal together

## About Cyberstarts

VC Fund · Mikhmoret, Israel

Cyberstarts is an early-stage venture capital firm that invests exclusively in cybersecurity. Founded in 2018 by Gili Raanan, the fund partners with ambitious entrepreneurs to launch and scale category-defining security companies. Through its flagship Sunrise Program, Cyberstarts supports founders by providing operational expertise, deep industryinsight, and direct access to a network of leading CISOs.As of 2025, Cyberstarts has raised over $720 million across five funds. Its portfolio includes industry leaders like Wiz, Fireblocks, Island, Cyera, and Transmit Security, and represents close to half the global private cybersecurity market cap with a portfolio valuation of more than $55 billion. Headquartered in Tel Aviv, Cyberstarts is proud to be the partner of choice for top-tier cybersecurity founders worldwide.

5 contacts available at Cyberstarts.

| Name | Title | Profile |
| --- | --- | --- |
| Barak Klinghofer | Member | https://shizune.co/investors/profile/barak-klinghofer |
| Eyal Gruner | Member | https://shizune.co/investors/profile/eyal-gruner |
| Gil Azrielant | Member | https://shizune.co/investors/profile/gil-azrielant |
| Gili Raanan | Founder | https://shizune.co/investors/profile/gil-raanan |
| Idan Levin | Member | https://shizune.co/investors/profile/idan-levin |

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## FAQ

### What does Nadir Izrael invest in?

Nadir Izrael invests primarily in Security, Software and Cyber Security startups, most often at Seed and Series A stage. Most of the 15 investments tracked by Shizune back companies in Israel. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Nadir Izrael's check size?

Nadir Izrael typically joins rounds of $5M–$20M at Seed and $17M–$33M at Series A. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Nadir Izrael participates in.

### When did Nadir Izrael last invest?

The most recent investment recorded for Nadir Izrael closed in Jun 2026. Shizune tracks 15 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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