# Abnormal Inbound Email Security vs Bitdefender GravityZone Extended Email Security: side-by-side comparison (2026) [Abnormal Inbound Email Security](https://cybersectools.com/tools/abnormal-security-cloud-email-security) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [Abnormal Security](https://cybersectools.com/companies/abnormal-security). [Bitdefender GravityZone Extended Email Security](https://cybersectools.com/tools/bitdefender-gravityzone-extended-email-security) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [Bitdefender](https://cybersectools.com/companies/bitdefender). Features, integrations, deployment and the company behind each one, side by side. ## Our take What our shortlists say about the one we picked. ### [Abnormal Inbound Email Security](https://cybersectools.com/tools/abnormal-security-cloud-email-security) Best for: Microsoft 365 or Google teams fighting BEC It belongs here as the API option, because it judges each message against normal behavior and needs no rules to maintain. That suits you if vendor and payment fraud worry you more than mass malware. Since it does not sit in the mail path, decide whether you pair it with a gateway or with the filtering your mail platform already has. 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 | | Abnormal Inbound Email Security | Bitdefender GravityZone Extended Email Security | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Email Security Platforms | Email Security Platforms | | Verified | No | No | | Deployment type | Cloud | Cloud | | Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | Abnormal Security | Bitdefender | | Headquarters | – | – | ### Use cases and capabilities | | Abnormal Inbound Email Security | Bitdefender GravityZone Extended Email Security | |---|---|---| | Microsoft 365 | – | Yes | | Ransomware Prevention | – | Yes | | Multi Tenancy | – | Yes | ### Core features **Abnormal Inbound Email Security** 10 features listed. Sign in on the page to see them. **Bitdefender GravityZone Extended Email Security** 10 features listed. Sign in on the page to see them. ### Integrations **Abnormal Inbound Email Security** 9 integrations listed. Sign in on the page to see them. **Bitdefender GravityZone Extended Email Security** 2 integrations listed. Sign in on the page to see them. ## Abnormal Inbound Email Security vs Bitdefender GravityZone Extended Email Security FAQ Common questions when comparing Abnormal Inbound Email Security vs Bitdefender GravityZone Extended Email Security for email security platforms. ### What is the difference between Abnormal Inbound Email Security and Bitdefender GravityZone Extended Email Security? **Abnormal Inbound Email Security**: AI-powered email security platform detecting advanced threats via behavioral analysis. Built by Abnormal Security. **Bitdefender GravityZone Extended Email Security**: Cloud-native email security platform with SEG and API-based protection. Built by Bitdefender. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Abnormal Inbound Email Security and Bitdefender GravityZone Extended Email Security? **Abnormal Inbound Email Security** is made by Abnormal Security. **Bitdefender GravityZone Extended Email Security** is made by Bitdefender. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Abnormal Inbound Email Security a good alternative to Bitdefender GravityZone Extended Email Security? Often, yes. Abnormal Inbound Email Security and Bitdefender GravityZone Extended Email Security are both Email Security Platforms products. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Abnormal Inbound Email Security vs Mesh 365](https://cybersectools.com/compare/abnormal-security-cloud-email-security-vs-mesh-365) - [Abnormal Inbound Email Security vs Cellopoint Cloud Email Security Solution](https://cybersectools.com/compare/abnormal-security-cloud-email-security-vs-cellopoint-cloud-email-security-solution) - [Abnormal Inbound Email Security vs INKY Behavioral Email Security Platform](https://cybersectools.com/compare/abnormal-security-cloud-email-security-vs-inky-behavioral-email-security-platform) - [Bitdefender GravityZone Extended Email Security vs Mesh 365](https://cybersectools.com/compare/bitdefender-gravityzone-extended-email-security-vs-mesh-365) - [Bitdefender GravityZone Extended Email Security vs Cellopoint Cloud Email Security Solution](https://cybersectools.com/compare/bitdefender-gravityzone-extended-email-security-vs-cellopoint-cloud-email-security-solution) - [Bitdefender GravityZone Extended Email Security vs INKY Behavioral Email Security Platform](https://cybersectools.com/compare/bitdefender-gravityzone-extended-email-security-vs-inky-behavioral-email-security-platform) ## Alternatives to each - [See all Abnormal Inbound Email Security alternatives](https://cybersectools.com/alternatives/abnormal-security-cloud-email-security) - [See all Bitdefender GravityZone Extended Email Security alternatives](https://cybersectools.com/alternatives/bitdefender-gravityzone-extended-email-security) --- Source: https://cybersectools.com/compare/abnormal-security-cloud-email-security-vs-bitdefender-gravityzone-extended-email-security For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/abnormal-security-cloud-email-security.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Abnormal Inbound Email Security and Bitdefender GravityZone Extended 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