# Maty Siman

> Maty Siman is a seed investor at Checkmarx backing Computer and Network Security. See 2 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Checkmarx](https://shizune.co/investors/profile/checkmarx)
- Total investments: 2
- Last investment: Mar 2026
- Lead investor: 0%
- Last updated: Aug 2026

Maty Siman is a seed investor at Checkmarx focused on Computer and Network Security.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $8M–$9M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Computer | 2 | 100% |
| Network Security | 2 | 100% |
| Cloud Security | 1 | 50% |
| Cyber Security | 1 | 50% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Huskeys | The New Brain for Web App Security. It's not a WAF; It's a whole new ecosystem. | $8M | Seed | Mar 30, 2026 |  |
| 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. | $9M | Seed | Mar 04, 2025 |  |

2 of 2 investments shown.

## Co-investors
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund, 1 deal together
- [Blumberg Capital](https://shizune.co/investors/profile/blumberg-capital) — VC Fund, 1 deal together
- [Operator Partners](https://shizune.co/investors/profile/operator-partners) — VC Fund, 1 deal together
- [SV Angel](https://shizune.co/investors/profile/sv-angel) — VC Fund, 1 deal together
- [The Players Fund](https://shizune.co/investors/profile/the-players-fund) — VC Fund, 1 deal together
- [toDay.Ventures](https://shizune.co/investors/profile/today-2) — VC Fund, 1 deal together

## About Checkmarx

VC Fund · Ramat Gan, Israel

Checkmarx is an application security software company, whose mission is to provide enterprise organizations with application security testing products and services that empower developers to deliver secure software faster. Amongst the company's 1,500+ customers are 5 of the world's top 10 software vendors and many Fortune 500 andgovernment organizations, including SAP, Microsoft, and Salesforce.com. For more information about Checkmarx, visit http://www.checkmarx.com or follow us on Twitter: @CheckmarxCheckmarx solutions' key advantages include: - Reducing the time spent by the development team on security vulnerability fixing by up to 75% in comparison with first generation static code analysis solutions. - Easy to use – less than one hour installation and immediate ability to scan - Unique patented Virtual Compiler technology enables scanning un-compiled and un-built source code which allows detecting vulnerabilities from the earliest stages of the software development cycle - Full integration with the SDLC that enables security scans during any stage of development - Available in both "On Premise" and "On Demand" configurationsCheckmarx customers include hundreds of Fortune 500, government and SMB organizations in over 30 countries.

5 contacts available at Checkmarx.

| Name | Title | Profile |
| --- | --- | --- |
| Sandeep Johri | CEO | https://shizune.co/investors/profile/sandeep-johri |
| Dalit Krainer | Senior Vice President Human Resources | https://shizune.co/investors/profile/dalit-krainer |
| Emmanuel Benzaquen | Chief Executive Officer & Chairman of the Board | https://shizune.co/investors/profile/emmanuel-benzaquen |
| Maty Siman | Founder & CTO | https://shizune.co/investors/profile/maty-siman |
| Moshe Lerner | Chief Strategist | https://shizune.co/investors/profile/moshe-lerner |

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## FAQ

### What does Maty Siman invest in?

Maty Siman invests primarily in Computer, Network Security and Cloud Security startups, most often at Seed stage. Most of the 2 investments tracked by Shizune back companies in Israel. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Maty Siman's check size?

Maty Siman typically joins rounds of $8M–$9M at Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Maty Siman participates in.

### When did Maty Siman last invest?

The most recent investment recorded for Maty Siman closed in Mar 2026. Shizune tracks 2 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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