# Infonaligy Proofpoint Email Security vs Shieldlink AI Attack Simulation: side-by-side comparison (2026)

[Infonaligy Proofpoint Email Security](https://cybersectools.com/tools/infonaligy-proofpoint-email-security) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [Infonaligy](https://cybersectools.com/companies/infonaligy). [Shieldlink AI Attack Simulation](https://cybersectools.com/tools/shieldlink-ai-attack-simulation) is a commercial [phishing simulation](https://cybersectools.com/categories/phishing-simulation) solution by [Shieldlink](https://cybersectools.com/companies/shieldlink). Features, integrations, deployment and the company behind each one, side by side.

Need the answer fast? [Best Email Security Solutions for Business](https://cybersectools.com/shortlists/best-email-security-platforms) picks Proofpoint Core Email Protection, Microsoft Defender for Office 365, Mimecast Advanced Email Security and 4 more.

## Side-by-side comparison

| | Infonaligy Proofpoint Email Security | Shieldlink AI Attack Simulation |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Email Security Platforms | Phishing Simulation |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | Infonaligy | Shieldlink |
| Headquarters | – | – |

### Use cases and capabilities

| | Infonaligy Proofpoint Email Security | Shieldlink AI Attack Simulation |
|---|---|---|
| DMARC | Yes | – |
| DKIM | Yes | – |
| SPF | Yes | – |
| Deepfake Detection | – | Yes |
| Social Engineering | – | Yes |
| Generative AI | – | Yes |
| Education | – | Yes |
| Fraud Detection | – | Yes |

### Core features

**Infonaligy Proofpoint Email Security**

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

**Shieldlink AI Attack Simulation**

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

### Integrations

**Infonaligy Proofpoint Email Security**

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

**Shieldlink AI Attack Simulation**

No integrations listed.

## Which one fits you

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

- [Shieldlink AI Attack Simulation](https://cybersectools.com/tools/shieldlink-ai-attack-simulation) fits if you are a startup.

## Infonaligy Proofpoint Email Security vs Shieldlink AI Attack Simulation FAQ

Common questions when comparing Infonaligy Proofpoint Email Security vs Shieldlink AI Attack Simulation for email security platforms.

### What is the difference between Infonaligy Proofpoint Email Security and Shieldlink AI Attack Simulation?

**Infonaligy Proofpoint Email Security**: Managed Proofpoint email security service for phishing & BEC protection. Built by Infonaligy.

**Shieldlink AI Attack Simulation**: AI-generated multi-channel phishing, vishing, and deepfake attack simulations. Built by Shieldlink.

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

### Who makes Infonaligy Proofpoint Email Security and Shieldlink AI Attack Simulation?

**Infonaligy Proofpoint Email Security** is made by Infonaligy. **Shieldlink AI Attack Simulation** is made by Shieldlink. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Infonaligy Proofpoint Email Security a good alternative to Shieldlink AI Attack Simulation?

In part. Infonaligy Proofpoint Email Security and Shieldlink AI Attack Simulation are not in the same category on CybersecTools. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Infonaligy Proofpoint Email Security vs Sendmarc DMARC Management Platform](https://cybersectools.com/compare/infonaligy-proofpoint-email-security-vs-sendmarc-dmarc-management-platform)
- [Infonaligy Proofpoint Email Security vs Red Sift OnDMARC](https://cybersectools.com/compare/infonaligy-proofpoint-email-security-vs-red-sift-ondmarc)
- [Infonaligy Proofpoint Email Security vs MX Layer Outbound Email Filtering](https://cybersectools.com/compare/infonaligy-proofpoint-email-security-vs-mx-layer-outbound-email-filtering)
- [Shieldlink AI Attack Simulation vs Sendmarc DMARC Management Platform](https://cybersectools.com/compare/sendmarc-dmarc-management-platform-vs-shieldlink-ai-attack-simulation)
- [Shieldlink AI Attack Simulation vs Red Sift OnDMARC](https://cybersectools.com/compare/red-sift-ondmarc-vs-shieldlink-ai-attack-simulation)
- [Shieldlink AI Attack Simulation vs MX Layer Outbound Email Filtering](https://cybersectools.com/compare/mx-layer-outbound-email-filtering-vs-shieldlink-ai-attack-simulation)

## Alternatives to each

- [See all Infonaligy Proofpoint Email Security alternatives](https://cybersectools.com/alternatives/infonaligy-proofpoint-email-security)
- [See all Shieldlink AI Attack Simulation alternatives](https://cybersectools.com/alternatives/shieldlink-ai-attack-simulation)

---

Source: https://cybersectools.com/compare/infonaligy-proofpoint-email-security-vs-shieldlink-ai-attack-simulation

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/infonaligy-proofpoint-email-security.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Infonaligy Proofpoint Email Security and Shieldlink AI Attack Simulation: 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
