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48 Best Abnormal Inbound Email Security Alternatives & Competitors (2026) | CybersecTools

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Abnormal Inbound Email Security

Best Abnormal Inbound Email Security Alternatives & Competitors in 2026

Top picks: Microsoft Defender for Office 365, Cloudflare Cloud Email Security, Sophos Email — plus 45 more compared.

Email & Messaging Security

Abnormal Inbound Email Security Alternatives and Competitors

Abnormal Inbound Email Security is a commercial Email Security Platforms tool developed by Abnormal Security. Security professionals most commonly compare it with . All 48 alternatives are matched by shared capabilities, tags, and NIST CSF 2.0 coverage.

Microsoft Defender for Office 365

, Cloudflare Cloud Email Security

, SorbSecurity Cloud Email Security

, and Trustifi AI Powered Email Security

Data verified Jun 2026

View Abnormal Inbound Email Security All Email & Messaging Security Compare Stacks Market Map Explore All Tools

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Top Abnormal Inbound Email Security Alternatives and Competitors at a Glance

A closer look at the 8 most relevant alternatives and competitors to Abnormal Inbound Email Security, including their key features and shared capabilities.

Microsoft Defender for Office 365

Commercial

Email Security Platforms

Email and collaboration security for Microsoft 365 environments

Key features: AI-powered sentiment analysis for email filtering, Inline protection against malicious links and attachments in Outlook and Teams, Real-time detonation of attachments and links, Automated BEC attack disruption with user disabling and device isolation, Post-delivery removal of malicious emails

View Microsoft Defender for Office 365|Microsoft Defender for Office 365 alternatives|Compare Microsoft Defender for Office 365

Cloudflare Cloud Email Security

Commercial

Email Security Platforms

Cloudflare Cloud Email Security is a cloud-based email protection service that safeguards organizations against phishing, malware, spam, and other email-borne threats through integrated threat detection and prevention capabilities.

View Cloudflare Cloud Email Security|Cloudflare Cloud Email Security alternatives|Compare Cloudflare Cloud Email Security

Commercial

Email Security Platforms

Email security platform with phishing/BEC protection and MDR/XDR integration

Key features: Multi-layered defense with 20+ AI/ML models including NLP, Phishing and BEC attack protection, Email filtering and advanced threat detection, Sender authentication (SPF, DKIM, DMARC), URL protection and cloud sandboxing

View Sophos Email|Sophos Email alternatives|Compare Sophos Email

SorbSecurity Cloud Email Security

Commercial

Email Security Platforms

Cloud-based email security platform protecting against phishing & ransomware

Key features: Anti-spam engine with investigation tools, Cloud sandbox for file analysis, URL protection and scanning, Email archiving with AI-powered search and summarization, Email encryption for message protection

View SorbSecurity Cloud Email Security|SorbSecurity Cloud Email Security alternatives|Compare SorbSecurity Cloud Email Security

Trustifi AI Powered Email Security

Commercial

Email Security Platforms

AI-powered email security platform for threat detection and compliance

Key features: AI-powered inbound email threat detection and filtering, URL and file attachment scanning, Outbound email DLP with 256-bit AES encryption, Account takeover protection with behavioral analysis, Email archiving with eDiscovery and smart indexing

View Trustifi AI Powered Email Security|Trustifi AI Powered Email Security alternatives|Compare Trustifi AI Powered Email Security

MX Layer Email Security

Commercial

Email Security Platforms

Cloud-based email security platform with AI-powered threat detection

Key features: Inbound email filtering, Outbound email filtering, AI-powered threat detection, URL and attachment protection, Data leak prevention (DLP)

View MX Layer Email Security|MX Layer Email Security alternatives|Compare MX Layer Email Security

xorlab Email Security

Commercial

Email Security Platforms

AI-driven email security platform for detecting advanced email threats

Key features: AI-based email threat detection, Zero-hour attack detection, Relationship-based threat analysis, Automated abuse report processing, Email security dashboard with metrics

View xorlab Email Security|xorlab Email Security alternatives|Compare xorlab Email Security

Trend Micro Trend Vision One™

Commercial

Email Security Platforms

AI-powered email and collaboration security platform for threat detection

Key features: AI-driven phishing and BEC detection, Writing style analysis and anomaly detection, Sender behavior analysis, Sandbox malware analysis, Real-time user risk visibility and monitoring

View Trend Micro Trend Vision One™|Trend Micro Trend Vision One™ alternatives|Compare Trend Micro Trend Vision One™

All 48 Alternatives & Competitors to Abnormal Inbound Email Security

Compare

Microsoft Defender for Office 365

Email and collaboration security for Microsoft 365 environments

Email Security Platforms

Compare

Cloudflare Cloud Email Security

Cloudflare Cloud Email Security is a cloud-based email protection service that safeguards organizations against phishing, malware, spam, and other email-borne threats through integrated threat detection and prevention capabilities.

Email Security Platforms

Compare

Email security platform with phishing/BEC protection and MDR/XDR integration

Email Security Platforms

Compare

SorbSecurity Cloud Email Security

Cloud-based email security platform protecting against phishing & ransomware

Email Security Platforms

Compare

Trustifi AI Powered Email Security

AI-powered email security platform for threat detection and compliance

Email Security Platforms

Compare

MX Layer Email Security

Cloud-based email security platform with AI-powered threat detection

Email Security Platforms

Compare

xorlab Email Security

AI-driven email security platform for detecting advanced email threats

Email Security Platforms

Compare

Trend Micro Trend Vision One™

AI-powered email and collaboration security platform for threat detection

Email Security Platforms

Compare

LevelBlue Email Security

Managed email security service protecting against email-based threats

Email Security Platforms

Compare

Proofpoint Threat Protection

Email security platform with AI-based threat detection and DLP capabilities

Email Security Platforms

Compare

AnubisNetworks Email Security

Email security platform protecting against fraud, malware, and spam threats

Email Security Platforms

Compare

ESET Cloud Office Security

Cloud email security for Microsoft 365 and Google Workspace applications

Email Security Platforms

Compare

Bitdefender GravityZone Extended Email Security

Cloud-native email security platform with SEG and API-based protection

Email Security Platforms

Compare

Broadcom Symantec Email Security

Enterprise email security platform for cloud and on-premise deployments

Email Security Platforms

Compare

OPSWAT MetaDefender Email Security

Email security platform protecting against phishing, malware, and exploits

Email Security Platforms

Compare

VIPRE Integrated Email Security (IES)

Email security platform for Microsoft 365 with AI-based threat detection

Email Security Platforms

Compare

Trustifi Inbound Shield

AI-powered inbound email security platform for phishing & malware detection

Email Security Platforms

Compare

API-based email security platform for Microsoft 365 environments

Email Security Platforms

Compare

Sublime Email Security

AI-powered email security platform with agentic automation and detection

Email Security Platforms

Compare

Cybersentriq MX Email Threat Protection

MX-based email security platform using AI to block spam, phishing & malware

Email Security Platforms

Compare

ConnectWise Email Security

Email security platform with AI threat detection, BEC protection, and DLP

Email Security Platforms

Compare

SpamExperts Email Security

Email security platform filtering spam, phishing, and malware threats

Email Security Platforms

Compare

Group-IB Business Email Protection

Email security platform protecting against phishing, malware, and BEC attacks

Email Security Platforms

Compare

AegisAI Agentic Email Security

AI-powered email security platform that detects phishing, BEC, and malware

Email Security Platforms

Compare

GLIMPS Email Security for M365

AI-based email security for M365 with phishing, BEC & malware detection.

Email Security Platforms

Compare

Infonaligy Proofpoint Email Security

Managed Proofpoint email security service for phishing & BEC protection.

Email Security Platforms

Compare

MailGuard Email Security

Cloud-based email filtering blocking phishing, malware, spam & BEC attacks.

Email Security Platforms

Compare

Cloud-based anti-spam and antivirus email filtering with AI threat detection.

Email Security Platforms

Compare

Unified AI-powered cybersecurity & cyber insurance platform for SMBs.

Email Security Platforms

Compare

AI-Powered Email Security & DMARC Protection

AI-powered DMARC monitoring and email authentication security platform

Email Security Platforms

Compare

Cisco Secure Email Threat Defense

Email threat protection for Microsoft 365 with advanced detection capabilities

Email Security Platforms

Compare

DMARC monitoring platform protecting domains from spoofing and BEC attacks.

Email Security Platforms

Compare

Fortinet FortiMail Email Security

AI-powered email security platform protecting against phishing, BEC, and ATO

Email Security Platforms

Compare

Cellopoint Cloud Email Security Solution

Cloud-based email security platform protecting against phishing, ransomware, BEC

Email Security Platforms

Compare

INKY Behavioral Email Security Platform

Behavioral email security platform protecting inbound, outbound, and internal mail

Email Security Platforms

Compare

TrustLayer Mail

Email security platform with inline threat protection and compliant archiving

Email Security Platforms

Compare

Mimecast Advanced Email Security

Email security platform protecting M365 & Google Workspace from threats

Email Security Platforms

Compare

GreatHorn Email Security

Cloud-native email security platform for phishing detection and response

Email Security Platforms

Compare

Zivver Secure Business Email

All-in-one email security platform for threat protection and compliance

Email Security Platforms

Compare

MDaemon Technologies SecurityGateway

Email security gateway protecting against spam, phishing, viruses & data leaks

Email Security Platforms

Compare

Abnormal AI Security Mailbox

AI-powered email security operations platform for automated threat triage

Email Security Platforms

Compare

ESET Mail Security

Email security for Microsoft Exchange servers with anti-spam and anti-malware

Email Security Platforms

Compare

Material Security Email Security

Cloud workspace security platform for email, files, and account protection

Email Security Platforms

Compare

TitanHQ SpamTitan

Email security platform blocking spam, phishing, malware, and viruses

Email Security Platforms

Compare

Bitdefender GravityZone Security for Exchange

Email security for Microsoft Exchange servers with antispam and antimalware.

Email Security Platforms

Compare

Comodo Secure Email Gateway

Cloud-based email gateway with spam filtering, anti-phishing, and containment

Email Security Platforms

Compare

Darktrace Email Security

AI-powered email security platform detecting threats across email and messaging

Email Security Platforms

Compare

Fortra Email Security & Anti-Phishing

Email security platform protecting against phishing, BEC, and data loss

Email Security Platforms

Also compare alternatives to:

Microsoft Defender for Office 365 alternatives Cloudflare Cloud Email Security alternatives Sophos Email alternatives SorbSecurity Cloud Email Security alternatives Trustifi AI Powered Email Security alternatives MX Layer Email Security alternatives xorlab Email Security alternatives Trend Micro Trend Vision One™ alternatives LevelBlue Email Security alternatives Proofpoint Threat Protection alternatives AnubisNetworks Email Security alternatives ESET Cloud Office Security alternatives

Compare Abnormal Inbound Email Security with:

Abnormal Inbound Email Security vs Microsoft Defender for Office 365 Abnormal Inbound Email Security vs Cloudflare Cloud Email Security Abnormal Inbound Email Security vs Sophos Email Abnormal Inbound Email Security vs SorbSecurity Cloud Email Security Abnormal Inbound Email Security vs Trustifi AI Powered Email Security Abnormal Inbound Email Security vs MX Layer Email Security Abnormal Inbound Email Security vs xorlab Email Security Abnormal Inbound Email Security vs Trend Micro Trend Vision One™

Abnormal Inbound Email Security Alternatives FAQ

Common questions security professionals ask when evaluating alternatives and competitors to Abnormal Inbound Email Security.

What are the best alternatives to Abnormal Inbound Email Security?

The most popular alternatives to Abnormal Inbound Email Security include Microsoft Defender for Office 365, Cloudflare Cloud Email Security, Sophos Email, SorbSecurity Cloud Email Security, and Trustifi AI Powered Email Security. These Email Security Platforms tools offer similar capabilities and are frequently compared by security professionals evaluating their options.

How many alternatives to Abnormal Inbound Email Security are available?

There are 48 alternatives to Abnormal Inbound Email Security listed on CybersecTools, all within the Email Security Platforms category. Each alternative is matched based on shared capabilities, tags, and NIST CSF coverage areas.

Is Abnormal Inbound Email Security free or commercial?

Abnormal Inbound Email Security is a commercial Email Security Platforms tool. It requires a paid license or subscription. Both free and commercial alternatives are available for comparison.

What type of tool is Abnormal Inbound Email Security?

Abnormal Inbound Email Security is a Email Security Platforms tool within the broader Email & Messaging Security category. It is used by security professionals for email security platforms capabilities and can be compared against 48 similar tools.

Have more questions? Browse our categories or search for specific tools.

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