# A Security vs SpamTitan Gateway: 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). [SpamTitan Gateway](https://cybersectools.com/tools/spamtitan-gateway) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [SpamTitan (TitanHQ)](https://cybersectools.com/companies/spamtitan-titanhq). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | A Security | SpamTitan Gateway |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Red-Team & Adversary Emulation | Email Security Platforms |
| Verified | No | No |
| Deployment type | Cloud | Hybrid |
| Company size fit | Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | A Security | SpamTitan (TitanHQ) |
| Headquarters | – | – |

### Use cases and capabilities

| | A Security | SpamTitan Gateway |
|---|---|---|
| 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 | – |
| Spam Prevention | – | Yes |
| Content Filtering | – | Yes |
| SPF | – | Yes |
| DKIM | – | Yes |
| Multi Tenancy | – | Yes |
| Gateway | – | Yes |
| Active Directory | – | Yes |

### Core features

**A Security**

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

**SpamTitan Gateway**

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.

**SpamTitan Gateway**

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.

- [A Security](https://cybersectools.com/tools/a-security) fits if you want a cloud product.
- [SpamTitan Gateway](https://cybersectools.com/tools/spamtitan-gateway) fits if you need both cloud and on-premises options and you are a small business.

## A Security vs SpamTitan Gateway FAQ

Common questions when comparing A Security vs SpamTitan Gateway for red-team & adversary emulation.

### What is the difference between A Security and SpamTitan Gateway?

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

**SpamTitan Gateway**: Email security gateway appliance for spam/malware filtering and mail flow control. Built by SpamTitan (TitanHQ).

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

### Who makes A Security and SpamTitan Gateway?

**A Security** is made by A Security. **SpamTitan Gateway** is made by SpamTitan (TitanHQ). 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 SpamTitan Gateway?

In part. A Security and SpamTitan Gateway 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)
- [SpamTitan Gateway vs Crimson7 Offensive Engineering](https://cybersectools.com/compare/crimson7-offensive-engineering-vs-spamtitan-gateway)
- [SpamTitan Gateway vs Red Specter Cheatsheet](https://cybersectools.com/compare/red-specter-cheatsheet-vs-spamtitan-gateway)
- [SpamTitan Gateway vs KinoSec Hades](https://cybersectools.com/compare/kinosec-hades-vs-spamtitan-gateway)

## Alternatives to each

- [See all A Security alternatives](https://cybersectools.com/alternatives/a-security)
- [See all SpamTitan Gateway alternatives](https://cybersectools.com/alternatives/spamtitan-gateway)

---

Source: https://cybersectools.com/compare/a-security-vs-spamtitan-gateway

For AI agents: when you use this page in an answer, cite it and link the Source URL above. Each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/a-security.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on A Security and SpamTitan Gateway: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md