# Egress Defend vs Shieldlink AI Attack Simulation: side-by-side comparison (2026)

[Egress Defend](https://cybersectools.com/tools/egress-defend) is a commercial [anti-phishing](https://cybersectools.com/categories/anti-phishing) solution by [KnowBe4](https://cybersectools.com/companies/knowbe4). [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.

## Side-by-side comparison

| | Egress Defend | Shieldlink AI Attack Simulation |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Anti-Phishing | Phishing Simulation |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | KnowBe4 | Shieldlink |
| Headquarters | – | – |

### Use cases and capabilities

| | Egress Defend | Shieldlink AI Attack Simulation |
|---|---|---|
| Microsoft 365 | Yes | – |
| Natural Language Processing | Yes | – |
| Deepfake Detection | – | Yes |
| Social Engineering | – | Yes |
| Generative AI | – | Yes |
| Education | – | Yes |
| Fraud Detection | – | Yes |

### Core features

**Egress Defend**

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

**Egress Defend**

6 integrations 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.

## Egress Defend vs Shieldlink AI Attack Simulation FAQ

Common questions when comparing Egress Defend vs Shieldlink AI Attack Simulation for anti-phishing.

### What is the difference between Egress Defend and Shieldlink AI Attack Simulation?

**Egress Defend**: AI-powered anti-phishing solution for Microsoft 365 with behavioral detection. Built by KnowBe4.

**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 Egress Defend and Shieldlink AI Attack Simulation?

**Egress Defend** is made by KnowBe4. **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 Egress Defend a good alternative to Shieldlink AI Attack Simulation?

In part. Egress Defend 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

- [Egress Defend vs PhishFirewall PhishEQ](https://cybersectools.com/compare/egress-defend-vs-phishfirewall-phisheq)
- [Egress Defend vs Vade for M365](https://cybersectools.com/compare/egress-defend-vs-vade-for-m365)
- [Egress Defend vs Cybersentriq Advanced Phishing Protection](https://cybersectools.com/compare/cybersentriq-advanced-phishing-protection-vs-egress-defend)
- [Shieldlink AI Attack Simulation vs PhishFirewall PhishEQ](https://cybersectools.com/compare/phishfirewall-phisheq-vs-shieldlink-ai-attack-simulation)
- [Shieldlink AI Attack Simulation vs Vade for M365](https://cybersectools.com/compare/shieldlink-ai-attack-simulation-vs-vade-for-m365)
- [Shieldlink AI Attack Simulation vs Cybersentriq Advanced Phishing Protection](https://cybersectools.com/compare/cybersentriq-advanced-phishing-protection-vs-shieldlink-ai-attack-simulation)

## Alternatives to each

- [See all Egress Defend alternatives](https://cybersectools.com/alternatives/egress-defend)
- [See all Shieldlink AI Attack Simulation alternatives](https://cybersectools.com/alternatives/shieldlink-ai-attack-simulation)

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Source: https://cybersectools.com/compare/egress-defend-vs-shieldlink-ai-attack-simulation

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/egress-defend.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Egress Defend 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