# Iberlayer Email Guardian vs KnowBe4 Cloud Email Security: side-by-side comparison (2026) [Iberlayer Email Guardian](https://cybersectools.com/tools/iberlayer-email-guardian) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [Iberlayer](https://cybersectools.com/companies/iberlayer). [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). 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 | | Iberlayer Email Guardian | KnowBe4 Cloud Email Security | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Email Security Platforms | Email Security Platforms | | Verified | No | No | | Deployment type | Cloud | Cloud | | Company size fit | Startup, SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | Iberlayer | KnowBe4 | | Headquarters | – | – | ### Use cases and capabilities | | Iberlayer Email Guardian | KnowBe4 Cloud Email Security | |---|---|---| | Spam Prevention | Yes | – | | Sandbox | Yes | – | | Fraud Detection | Yes | – | | URL Scanning | Yes | – | | Ransomware Prevention | Yes | Yes | | Spoofing | Yes | – | | Data Exfiltration | Yes | – | | Alerting | Yes | – | | Cloud Native | Yes | – | | Microsoft 365 | – | Yes | ### Core features **Iberlayer Email Guardian** 10 features listed. Sign in on the page to see them. **KnowBe4 Cloud Email Security** 10 features listed. Sign in on the page to see them. ### Integrations **Iberlayer Email Guardian** No integrations listed. **KnowBe4 Cloud Email Security** 5 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. - [Iberlayer Email Guardian](https://cybersectools.com/tools/iberlayer-email-guardian) fits if you are a startup. ## Iberlayer Email Guardian vs KnowBe4 Cloud Email Security FAQ Common questions when comparing Iberlayer Email Guardian vs KnowBe4 Cloud Email Security for email security platforms. ### What is the difference between Iberlayer Email Guardian and KnowBe4 Cloud Email Security? **Iberlayer Email Guardian**: Cloud-based email security service that blocks spam, phishing, malware, and fraud attacks, built by Iberlayer. **KnowBe4 Cloud Email Security**: AI-driven email security platform for Microsoft 365 inbound/outbound threats, built by KnowBe4. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Iberlayer Email Guardian and KnowBe4 Cloud Email Security? **Iberlayer Email Guardian** is made by Iberlayer. **KnowBe4 Cloud Email Security** is made by KnowBe4. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Iberlayer Email Guardian a good alternative to KnowBe4 Cloud Email Security? Often, yes. Iberlayer Email Guardian and KnowBe4 Cloud Email Security are both Email Security Platforms products, and both cover Ransomware Prevention. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Iberlayer Email Guardian vs ESET Cloud Office Security](https://cybersectools.com/compare/eset-cloud-office-security-vs-iberlayer-email-guardian) - [Iberlayer Email Guardian vs NoSpamProxy Protection](https://cybersectools.com/compare/iberlayer-email-guardian-vs-nospamproxy-protection) - [Iberlayer Email Guardian vs Cybersentriq MX Email Threat Protection](https://cybersectools.com/compare/cybersentriq-mx-email-threat-protection-vs-iberlayer-email-guardian) - [KnowBe4 Cloud Email Security vs ESET Cloud Office Security](https://cybersectools.com/compare/eset-cloud-office-security-vs-knowbe4-cloud-email-security) - [KnowBe4 Cloud Email Security vs NoSpamProxy Protection](https://cybersectools.com/compare/knowbe4-cloud-email-security-vs-nospamproxy-protection) - [KnowBe4 Cloud Email Security vs Cybersentriq MX Email Threat Protection](https://cybersectools.com/compare/cybersentriq-mx-email-threat-protection-vs-knowbe4-cloud-email-security) ## Alternatives to each - [See all Iberlayer Email Guardian alternatives](https://cybersectools.com/alternatives/iberlayer-email-guardian) - [See all KnowBe4 Cloud Email Security alternatives](https://cybersectools.com/alternatives/knowbe4-cloud-email-security) --- Source: https://cybersectools.com/compare/iberlayer-email-guardian-vs-knowbe4-cloud-email-security For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/iberlayer-email-guardian.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Iberlayer Email Guardian and KnowBe4 Cloud Email Security: 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