# A Security vs Sendmarc DMARC Managed Services: side-by-side comparison (2026)

[A Security](https://cybersectools.com/tools/a-security) is a commercial [red-team & adversary emulation](https://cybersectools.com/categories/offensive-security) solution by [A Security](https://cybersectools.com/companies/asecurity). [Sendmarc DMARC Managed Services](https://cybersectools.com/tools/sendmarc-dmarc-managed-services) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [Sendmarc](https://cybersectools.com/companies/sendmarc). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | A Security | Sendmarc DMARC Managed Services |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Red-Team & Adversary Emulation | Email Security Platforms |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | A Security | Sendmarc |
| Headquarters | – | – |

### Use cases and capabilities

| | A Security | Sendmarc DMARC Managed Services |
|---|---|---|
| Attack Paths | Yes | – |
| Continuous Testing | Yes | – |
| Red Team | Yes | – |
| Vulnerability Exploitation | Yes | – |
| AI Pentesting | Yes | – |
| MITRE ATT&CK | Yes | – |
| Exploit Development | Yes | – |
| Security Validation | Yes | – |
| Penetration Testing Framework | Yes | – |
| Lateral Movement | Yes | – |
| DMARC | – | Yes |
| SPF | – | Yes |
| DKIM | – | Yes |
| Multi Tenancy | – | Yes |
| Spoofing | – | Yes |

### Core features

**A Security**

9 features listed. Sign in on the page to see them.

**Sendmarc DMARC Managed Services**

10 features listed. Sign in on the page to see them.

### Integrations

**A Security**

1 integration listed. Sign in on the page to see them.

**Sendmarc DMARC Managed Services**

2 integrations listed. Sign in on the page to see them.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [Sendmarc DMARC Managed Services](https://cybersectools.com/tools/sendmarc-dmarc-managed-services) fits if you are a small business.

## A Security vs Sendmarc DMARC Managed Services FAQ

Common questions when comparing A Security vs Sendmarc DMARC Managed Services for red-team & adversary emulation.

### What is the difference between A Security and Sendmarc DMARC Managed Services?

**A Security**: Autonomous offensive security platform that finds, validates, and remediates attack paths. Built by A Security.

**Sendmarc DMARC Managed Services**: MSP-focused multi-tenant DMARC management platform for email auth at scale. Built by Sendmarc.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes A Security and Sendmarc DMARC Managed Services?

**A Security** is made by A Security. **Sendmarc DMARC Managed Services** is made by Sendmarc. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is A Security a good alternative to Sendmarc DMARC Managed Services?

In part. A Security and Sendmarc DMARC Managed Services are not in the same category on CybersecTools. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [A Security vs Crimson7 Offensive Engineering](https://cybersectools.com/compare/a-security-vs-crimson7-offensive-engineering)
- [A Security vs Red Specter Cheatsheet](https://cybersectools.com/compare/a-security-vs-red-specter-cheatsheet)
- [A Security vs KinoSec Hades](https://cybersectools.com/compare/a-security-vs-kinosec-hades)
- [Sendmarc DMARC Managed Services vs Crimson7 Offensive Engineering](https://cybersectools.com/compare/crimson7-offensive-engineering-vs-sendmarc-dmarc-managed-services)
- [Sendmarc DMARC Managed Services vs Red Specter Cheatsheet](https://cybersectools.com/compare/red-specter-cheatsheet-vs-sendmarc-dmarc-managed-services)
- [Sendmarc DMARC Managed Services vs KinoSec Hades](https://cybersectools.com/compare/kinosec-hades-vs-sendmarc-dmarc-managed-services)

## Alternatives to each

- [See all A Security alternatives](https://cybersectools.com/alternatives/a-security)
- [See all Sendmarc DMARC Managed Services alternatives](https://cybersectools.com/alternatives/sendmarc-dmarc-managed-services)

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Source: https://cybersectools.com/compare/a-security-vs-sendmarc-dmarc-managed-services

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