# KnowBe4 Cloud Email Security vs Security Mentor PhishDefense: side-by-side comparison (2026) [KnowBe4 Cloud Email Security](https://cybersectools.com/tools/knowbe4-cloud-email-security) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [KnowBe4](https://cybersectools.com/companies/knowbe4). [Security Mentor PhishDefense](https://cybersectools.com/tools/security-mentor-phishdefense) is a commercial [phishing simulation](https://cybersectools.com/categories/phishing-simulation) solution by [Security Mentor](https://cybersectools.com/companies/security-mentor). 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 | | KnowBe4 Cloud Email Security | Security Mentor PhishDefense | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Email Security Platforms | Phishing Simulation | | Verified | No | No | | Deployment type | Cloud | Cloud | | Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | KnowBe4 | Security Mentor | | Headquarters | – | – | ### Use cases and capabilities | | KnowBe4 Cloud Email Security | Security Mentor PhishDefense | |---|---|---| | Microsoft 365 | Yes | – | | Ransomware Prevention | Yes | – | | Gamification | – | Yes | | Social Engineering | – | Yes | ### Core features **KnowBe4 Cloud Email Security** 10 features listed. Sign in on the page to see them. **Security Mentor PhishDefense** 10 features listed. Sign in on the page to see them. ### Integrations **KnowBe4 Cloud Email Security** 5 integrations listed. Sign in on the page to see them. **Security Mentor PhishDefense** 1 integration listed. Sign in on the page to see them. ## KnowBe4 Cloud Email Security vs Security Mentor PhishDefense FAQ Common questions when comparing KnowBe4 Cloud Email Security vs Security Mentor PhishDefense for email security platforms. ### What is the difference between KnowBe4 Cloud Email Security and Security Mentor PhishDefense? **KnowBe4 Cloud Email Security**: AI-driven email security platform for Microsoft 365 inbound/outbound threats. Built by KnowBe4. **Security Mentor PhishDefense**: Cloud-based phishing simulation platform with training and gamification. Built by Security Mentor. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes KnowBe4 Cloud Email Security and Security Mentor PhishDefense? **KnowBe4 Cloud Email Security** is made by KnowBe4. **Security Mentor PhishDefense** is made by Security Mentor. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is KnowBe4 Cloud Email Security a good alternative to Security Mentor PhishDefense? In part. KnowBe4 Cloud Email Security and Security Mentor PhishDefense are not in the same category on CybersecTools. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [KnowBe4 Cloud Email Security vs ConnectWise Email Security](https://cybersectools.com/compare/connectwise-email-security-vs-knowbe4-cloud-email-security) - [KnowBe4 Cloud Email Security vs Cellopoint Cloud Email Security Solution](https://cybersectools.com/compare/cellopoint-cloud-email-security-solution-vs-knowbe4-cloud-email-security) - [KnowBe4 Cloud Email Security vs ESET Cloud Office Security](https://cybersectools.com/compare/eset-cloud-office-security-vs-knowbe4-cloud-email-security) - [Security Mentor PhishDefense vs ConnectWise Email Security](https://cybersectools.com/compare/connectwise-email-security-vs-security-mentor-phishdefense) - [Security Mentor PhishDefense vs Cellopoint Cloud Email Security Solution](https://cybersectools.com/compare/cellopoint-cloud-email-security-solution-vs-security-mentor-phishdefense) - [Security Mentor PhishDefense vs ESET Cloud Office Security](https://cybersectools.com/compare/eset-cloud-office-security-vs-security-mentor-phishdefense) ## Alternatives to each - [See all KnowBe4 Cloud Email Security alternatives](https://cybersectools.com/alternatives/knowbe4-cloud-email-security) - [See all Security Mentor PhishDefense alternatives](https://cybersectools.com/alternatives/security-mentor-phishdefense) --- Source: https://cybersectools.com/compare/knowbe4-cloud-email-security-vs-security-mentor-phishdefense For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/knowbe4-cloud-email-security.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on KnowBe4 Cloud Email Security and Security Mentor PhishDefense: 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