# Broadcom Symantec Email Security vs ThreatDown Email Security: side-by-side comparison (2026) [Broadcom Symantec Email Security](https://cybersectools.com/tools/broadcom-symantec-email-security) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [Broadcom](https://cybersectools.com/companies/broadcom). [ThreatDown Email Security](https://cybersectools.com/tools/threatdown-email-security) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [ThreatDown by Malwarebytes](https://cybersectools.com/companies/threatdown-by-malwarebytes). Features, integrations, deployment and the company behind each one, side by side. ## Our take What our shortlists say about the one we picked. ### [Broadcom Symantec Email Security](https://cybersectools.com/tools/broadcom-symantec-email-security) Best for: Large companies needing cloud and on-premises mail It makes the list because it offers both a cloud service and an on-premises Messaging Gateway, as a virtual or physical appliance, which suits large companies that still run their own mail servers. Browser isolation opens risky links away from the user's machine. If you plan to move mail to the cloud, ask how your policies carry over from the gateway to the cloud service. From [Best Email Security Solutions for Business](https://cybersectools.com/shortlists/best-email-security-platforms), Fall 2026. Reviewed by [Nika (Nikoloz) Kokhreidze](https://cybersectools.com/about). 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 | | Broadcom Symantec Email Security | ThreatDown Email Security | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Email Security Platforms | Email Security Platforms | | Verified | No | No | | Deployment type | Hybrid | Cloud | | Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | Broadcom | ThreatDown by Malwarebytes | | Headquarters | – | – | ### Use cases and capabilities | | Broadcom Symantec Email Security | ThreatDown Email Security | |---|---|---| | Ransomware Prevention | Yes | – | | URL Filtering | Yes | – | ### Core features **Broadcom Symantec Email Security** 10 features listed. Sign in on the page to see them. **ThreatDown Email Security** 8 features listed. Sign in on the page to see them. ### Integrations **Broadcom Symantec Email Security** 2 integrations listed. Sign in on the page to see them. **ThreatDown Email Security** No integrations listed. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Broadcom Symantec Email Security](https://cybersectools.com/tools/broadcom-symantec-email-security) fits if you need both cloud and on-premises options. - [ThreatDown Email Security](https://cybersectools.com/tools/threatdown-email-security) fits if you want a cloud product. ## Broadcom Symantec Email Security vs ThreatDown Email Security FAQ Common questions when comparing Broadcom Symantec Email Security vs ThreatDown Email Security for email security platforms. ### What is the difference between Broadcom Symantec Email Security and ThreatDown Email Security? **Broadcom Symantec Email Security**: Enterprise email security platform for cloud and on-premise deployments, built by Broadcom. **ThreatDown Email Security**: AI-powered email security platform for phishing and BEC protection, built by ThreatDown by Malwarebytes. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Broadcom Symantec Email Security and ThreatDown Email Security? **Broadcom Symantec Email Security** is made by Broadcom. **ThreatDown Email Security** is made by ThreatDown by Malwarebytes. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Broadcom Symantec Email Security a good alternative to ThreatDown Email Security? Often, yes. Broadcom Symantec Email Security and ThreatDown Email Security are both Email Security Platforms products. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Broadcom Symantec Email Security vs SorbSecurity Cloud Email Security](https://cybersectools.com/compare/broadcom-symantec-email-security-vs-sorbsecurity-cloud-email-security) - [Broadcom Symantec Email Security vs Upfort](https://cybersectools.com/compare/broadcom-symantec-email-security-vs-upfort) - [Broadcom Symantec Email Security vs INKY Behavioral Email Security Platform](https://cybersectools.com/compare/broadcom-symantec-email-security-vs-inky-behavioral-email-security-platform) - [ThreatDown Email Security vs SorbSecurity Cloud Email Security](https://cybersectools.com/compare/sorbsecurity-cloud-email-security-vs-threatdown-email-security) - [ThreatDown Email Security vs Upfort](https://cybersectools.com/compare/threatdown-email-security-vs-upfort) - [ThreatDown Email Security vs INKY Behavioral Email Security Platform](https://cybersectools.com/compare/inky-behavioral-email-security-platform-vs-threatdown-email-security) ## Alternatives to each - [See all Broadcom Symantec Email Security alternatives](https://cybersectools.com/alternatives/broadcom-symantec-email-security) - [See all ThreatDown Email Security alternatives](https://cybersectools.com/alternatives/threatdown-email-security) --- Source: https://cybersectools.com/compare/broadcom-symantec-email-security-vs-threatdown-email-security For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/broadcom-symantec-email-security.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Broadcom Symantec Email Security and ThreatDown 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