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Darktrace Email Security

Best Darktrace Email Security Alternatives & Competitors in 2026

Top picks: Cisco Secure Email Threat Defense, Microsoft Defender for Office 365, Broadcom Symantec Email Security — plus 45 more compared.

Email & Messaging Security

Evaluating Darktrace Email Security alternatives comes down to matching Email & Messaging Security capabilities to your environment, integrations, and budget rather than chasing feature parity. The options below are compared on what actually drives a switch: coverage, deployment fit, pricing, and real reviews from security teams. Independent and vendor-neutral: we never sell rankings.

Darktrace Email Security Alternatives and Competitors

Darktrace Email Security is a commercial Email Security Platforms tool developed by Darktrace. Security professionals most commonly compare it with Cisco Secure Email Threat Defense, Microsoft Defender for Office 365, Broadcom Symantec Email Security, Upfort, and AI-Powered Email Security & DMARC Protection. All 48 alternatives are matched by shared capabilities, tags, and NIST CSF 2.0 coverage.

Data verified Jul 2026

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Top Darktrace Email Security Alternatives and Competitors at a Glance

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

Cisco Secure Email Threat Defense

Commercial

Email Security Platforms

Email threat protection for Microsoft 365 with advanced detection capabilities

Key features: Advanced threat detection for known, emerging, and targeted threats, Malicious technique identification with business risk context, Real-time threat search and remediation, Searchable threat telemetry and categorization, Vulnerability assessment by organizational unit

View Cisco Secure Email Threat Defense|Cisco Secure Email Threat Defense alternatives|Compare Cisco Secure Email Threat Defense

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

Broadcom Symantec Email Security

Commercial

Email Security Platforms

Enterprise email security platform for cloud and on-premise deployments

Key features: Multilayered defense against ransomware, spear phishing, and BEC attacks, Cloud-based and on-premises deployment options, Cloud-based sandboxing for advanced threat detection, Click-time URL protection, Office 365 clawback and remediation

View Broadcom Symantec Email Security|Broadcom Symantec Email Security alternatives|Compare Broadcom Symantec Email Security

Commercial

Email Security Platforms

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

Key features: AI-powered email threat detection and protection, Risk monitoring to identify exploitable systems and users, Endpoint, network, and cloud threat detection and automated response, Browser extension for real-time web protection, Security awareness training and phishing simulation

View Upfort|Upfort alternatives|Compare Upfort

AI-Powered Email Security & DMARC Protection

Commercial

Email Security Platforms

AI-powered DMARC monitoring and email authentication security platform

Key features: Real-time DMARC policy monitoring with detailed re, AI-powered anomaly detection using machine learnin, AI-based monitoring and alerting system that learn, Comprehensive TLS reporting with encryption analys, IP reputation monitoring and management with detai

View AI-Powered Email Security & DMARC Protection|AI-Powered Email Security & DMARC Protection alternatives|Compare AI-Powered Email Security & DMARC Protection

Commercial

Email Security Platforms

DMARC monitoring platform protecting domains from spoofing and BEC attacks.

Key features: DMARC-based email authentication for outgoing emails, AI-driven threat intelligence, 24x7 monitoring and alerting for email channel threats, Domain spoofing detection and prevention, Business Email Compromise (BEC) protection

View PowerDMARC|PowerDMARC alternatives|Compare PowerDMARC

Fortinet FortiMail Email Security

Commercial

Email Security Platforms

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

Key features: AI-powered threat detection using ML and LLM, Multi-layered email scanning with heuristics and optical recognition, Inbound and outbound email protection, Business email compromise and account takeover prevention, Data loss prevention with email encryption

View Fortinet FortiMail Email Security|Fortinet FortiMail Email Security alternatives|Compare Fortinet FortiMail Email Security

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

All 48 Alternatives & Competitors to Darktrace Email Security

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Cisco Secure Email Threat Defense

Email threat protection for Microsoft 365 with advanced detection capabilities

Email Security Platforms

Compare

Microsoft Defender for Office 365

Email and collaboration security for Microsoft 365 environments

Email Security Platforms

Compare

Broadcom Symantec Email Security

Enterprise email security platform for cloud and on-premise deployments

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

DMARC monitoring platform protecting domains from spoofing and BEC attacks.

Email Security Platforms

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Fortinet FortiMail Email Security

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

Email Security Platforms

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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

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Cellopoint Cloud Email Security Solution

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

Email Security Platforms

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INKY Behavioral Email Security Platform

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

Email Security Platforms

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

Email Security Platforms

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SorbSecurity Cloud Email Security

Cloud-based email security platform protecting against phishing & ransomware

Email Security Platforms

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Mimecast Advanced Email Security

Email security platform protecting M365 & Google Workspace from threats

Email Security Platforms

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GreatHorn Email Security

Cloud-native email security platform for phishing detection and response

Email Security Platforms

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Trustifi AI Powered Email Security

AI-powered email security platform for threat detection and compliance

Email Security Platforms

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MX Layer Email Security

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

Email Security Platforms

Compare

Trend Micro Trend Vision One™

AI-powered email and collaboration security platform for threat detection

Email Security Platforms

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Proofpoint Threat Protection

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

Email Security Platforms

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AnubisNetworks Email Security

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

Email Security Platforms

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ESET Cloud Office Security

Cloud email security for Microsoft 365 and Google Workspace applications

Email Security Platforms

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Material Security Email Security

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

Email Security Platforms

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Bitdefender GravityZone Extended Email Security

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

Email Security Platforms

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Comodo Secure Email Gateway

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

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

Egress Intelligent Email Security

Cloud email security platform for inbound/outbound threat detection & DLP

Email Security Platforms

Compare

API-based email security platform for Microsoft 365 environments

Email Security Platforms

Compare

KnowBe4 Cloud Email Security

AI-driven email security platform for Microsoft 365 inbound/outbound threats

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

ThreatDown Email Security

AI-powered email security platform for phishing and BEC protection

Email Security Platforms

Compare

ConnectWise Email Security

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

Email Security Platforms

Compare

IRONSCALES Adaptive AI Email Security

AI-powered email security platform with behavioral detection and automation

Email Security Platforms

Compare

Kaseya 365 Advanced Threat Protection

ATP solution for SaaS & email with AI-driven detection & auto-response

Email Security Platforms

Compare

SpamExperts Incoming Email Filtering

Email filtering service protecting against spam, viruses, and phishing.

Email Security Platforms

Compare

GLIMPS Email Security for M365

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

Email Security Platforms

Compare

ID Agent Graphus

AI-powered anti-phishing platform for Microsoft 365 & Google Workspace.

Email Security Platforms

Compare

Infonaligy Proofpoint Email Security

Managed Proofpoint email security service for phishing & BEC protection.

Email Security Platforms

Compare

MailChannels Outbound Filtering

Cloud SMTP relay for hosting providers to filter outbound spam & protect IP reputation.

Email Security Platforms

Compare

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

Email Security Platforms

Compare

Cloud-native AI email security platform with LLM-based threat detection and DLP.

Email Security Platforms

Compare

Ocean Agentic Email Security Platform

Agentic AI email security platform that investigates emails pre-delivery.

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

Email security gateway protecting against phishing, BEC, and email-borne threats

Email Security Platforms

Compare

xorlab Email Security

AI-driven email security platform for detecting advanced email threats

Email Security Platforms

Compare

Red Sift OnDMARC

Email authentication platform implementing DMARC, SPF, DKIM, and BIMI protocols

Email Security Platforms

Compare

LevelBlue Email Security

Managed email security service protecting against email-based threats

Email Security Platforms

Compare

Abnormal Inbound Email Security

AI-powered email security platform detecting advanced threats via behavioral analysis

Email Security Platforms

Also compare alternatives to:

Cisco Secure Email Threat Defense alternatives Microsoft Defender for Office 365 alternatives Broadcom Symantec Email Security alternatives Upfort alternatives AI-Powered Email Security & DMARC Protection alternatives PowerDMARC alternatives Fortinet FortiMail Email Security alternatives Cloudflare Cloud Email Security alternatives Cellopoint Cloud Email Security Solution alternatives INKY Behavioral Email Security Platform alternatives Sophos Email alternatives SorbSecurity Cloud Email Security alternatives

Compare Darktrace Email Security with:

Darktrace Email Security vs Cisco Secure Email Threat Defense Darktrace Email Security vs Microsoft Defender for Office 365 Darktrace Email Security vs Broadcom Symantec Email Security Darktrace Email Security vs Upfort Darktrace Email Security vs AI-Powered Email Security & DMARC Protection Darktrace Email Security vs PowerDMARC Darktrace Email Security vs Fortinet FortiMail Email Security Darktrace Email Security vs Cloudflare Cloud Email Security

Darktrace Email Security Alternatives FAQ

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

What are the best alternatives to Darktrace Email Security?

The most popular alternatives to Darktrace Email Security include Cisco Secure Email Threat Defense, Microsoft Defender for Office 365, Broadcom Symantec Email Security, Upfort, and AI-Powered Email Security & DMARC Protection. These Email Security Platforms tools offer similar capabilities and are frequently compared by security professionals evaluating their options.

How many alternatives to Darktrace Email Security are available?

There are 48 alternatives to Darktrace 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 Darktrace Email Security free or commercial?

Darktrace 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 Darktrace Email Security?

Darktrace 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.

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

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