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Best Kaseya 365 Advanced Threat Protection Alternatives & Competitors in 2026 | CybersecTools

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Kaseya 365 Advanced Threat Protection

Best Kaseya 365 Advanced Threat Protection Alternatives & Competitors in 2026

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

Kaseya 365 Advanced Threat Protection Alternatives and Competitors

Kaseya 365 Advanced Threat Protection is a commercial tool developed by Kaseya. Security professionals most commonly compare it with . All 48 alternatives are matched by shared capabilities, tags, and NIST CSF 2.0 coverage.

Email Security Platforms

Microsoft Defender for Office 365

, Cisco Secure Email Threat Defense

, Broadcom Symantec Email Security

, Darktrace Email Security

, and InSAT Security Inbox

Data verified May 2026

View Kaseya 365 Advanced Threat Protection All Email Security Compare Stacks Market Map Explore All Tools

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Top Kaseya 365 Advanced Threat Protection Alternatives and Competitors at a Glance

A closer look at the 8 most relevant alternatives and competitors to Kaseya 365 Advanced Threat Protection, 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

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

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

Darktrace Email Security

Commercial

Email Security Platforms

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

Key features: Self-Learning AI behavioral threat detection, Inbound and outbound email protection, Lateral mail monitoring for insider threats, Account takeover detection, Microsoft Teams security monitoring

View Darktrace Email Security|Darktrace Email Security alternatives|Compare Darktrace Email Security

InSAT Security Inbox

Commercial

Email Security Platforms

Centralized platform for reporting, analyzing, and responding to email threats

Key features: Employee suspicious email reporting, Centralized threat alert management, Incident prioritization and analysis, Advanced email filtering and analysis, Email quarantine and blocking capabilities

View InSAT Security Inbox|InSAT Security Inbox alternatives|Compare InSAT Security Inbox

IRONSCALES Adaptive AI Email Security

Commercial

Email Security Platforms

AI-powered email security platform with behavioral detection and automation

Key features: Behavioral baseline and social graph construction for users, Real-time email analysis using behavioral and semantic models, Sender Relationship Analysis detection model, Entity and Keyword Reputation analysis, Computer Vision-based threat detection

View IRONSCALES Adaptive AI Email Security|IRONSCALES Adaptive AI Email Security alternatives|Compare IRONSCALES Adaptive AI Email Security

Abnormal Security Cloud-based email security platform

Commercial

Email Security Platforms

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

Key features: Behavioral AI-based detection of email attacks, Protection against phishing and business email compromise, Account takeover detection and remediation, Zero-day attack detection, API-based deployment

View Abnormal Security Cloud-based email security platform|Abnormal Security Cloud-based email security platform alternatives|Compare Abnormal Security Cloud-based email security platform

BLOKWORX SCUD + CDR

Commercial

Email Security Platforms

Cloud-native API-based email & collaboration security with CDR for SaaS.

Key features: API-based email threat scanning (inbound, outbound, internal) with no MX record changes, Compromised account and SaaS login anomaly detection, Business email compromise (BEC) prevention, Anti-phishing and anti-spam filtering, Email encryption

View BLOKWORX SCUD + CDR|BLOKWORX SCUD + CDR alternatives|Compare BLOKWORX SCUD + CDR

All 48 Alternatives & Competitors to Kaseya 365 Advanced Threat Protection

Compare

Microsoft Defender for Office 365

Email and collaboration security for Microsoft 365 environments

Email Security Platforms

Compare

Cisco Secure Email Threat Defense

Email threat protection for Microsoft 365 with advanced detection capabilities

Email Security Platforms

Compare

Broadcom Symantec Email Security

Enterprise email security platform for cloud and on-premise deployments

Email Security Platforms

Compare

Darktrace Email Security

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

Email Security Platforms

Compare

InSAT Security Inbox

Centralized platform for reporting, analyzing, and responding to email threats

Email Security Platforms

Compare

IRONSCALES Adaptive AI Email Security

AI-powered email security platform with behavioral detection and automation

Email Security Platforms

Compare

Abnormal Security Cloud-based email security platform

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

Email Security Platforms

Compare

BLOKWORX SCUD + CDR

Cloud-native API-based email & collaboration security with CDR for SaaS.

Email Security Platforms

Compare

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

Email Security Platforms

Compare

Vade (Hornetsecurity) 365 Total Protection

AI-powered email security platform for Microsoft 365 with backup & compliance.

Email Security Platforms

Compare

AI-Powered Email Security & DMARC Protection

AI-powered DMARC monitoring and email authentication security platform

Email Security Platforms

Compare

Fortinet FortiMail Email Security

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

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

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

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

Email Security Platforms

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Hornetsecurity Advanced Threat Protection

AI-powered email security platform protecting against advanced threats

Email Security Platforms

Compare

SorbSecurity Cloud Email Security

Cloud-based email security platform protecting against phishing & ransomware

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

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

Abnormal Inbound Email Security

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

Email Security Platforms

Compare

ESET Cloud Office Security

Cloud email security for Microsoft 365 and Google Workspace applications

Email Security Platforms

Compare

Material Security Email Security

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

Email Security Platforms

Compare

Bitdefender GravityZone Extended Email Security

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

Email Security Platforms

Compare

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

MX Layer Email Compliance

Email compliance and archiving solution with DLP and threat protection

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

Mimecast Collaboration Threat Protection

Secures Microsoft Teams, SharePoint & OneDrive from malware and phishing

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

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

Hoplite Artemis Web and Mail

Email and web threat detection platform with AI-based behavioral analysis

Email Security Platforms

Compare

SpamExperts Email Security

Email security platform filtering spam, phishing, and malware threats

Email Security Platforms

Compare

SpamExperts Incoming Email Filtering

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

Email Security Platforms

Compare

Group-IB Business Email Protection

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

Email Security Platforms

Also compare alternatives to:

Microsoft Defender for Office 365 alternatives Cisco Secure Email Threat Defense alternatives Broadcom Symantec Email Security alternatives Darktrace Email Security alternatives InSAT Security Inbox alternatives IRONSCALES Adaptive AI Email Security alternatives Abnormal Security Cloud-based email security platform alternatives BLOKWORX SCUD + CDR alternatives Upfort alternatives Vade (Hornetsecurity) 365 Total Protection alternatives AI-Powered Email Security & DMARC Protection alternatives Fortinet FortiMail Email Security alternatives

Compare Kaseya 365 Advanced Threat Protection with:

Kaseya 365 Advanced Threat Protection vs Microsoft Defender for Office 365 Kaseya 365 Advanced Threat Protection vs Cisco Secure Email Threat Defense Kaseya 365 Advanced Threat Protection vs Broadcom Symantec Email Security Kaseya 365 Advanced Threat Protection vs Darktrace Email Security Kaseya 365 Advanced Threat Protection vs InSAT Security Inbox Kaseya 365 Advanced Threat Protection vs IRONSCALES Adaptive AI Email Security Kaseya 365 Advanced Threat Protection vs Abnormal Security Cloud-based email security platform Kaseya 365 Advanced Threat Protection vs BLOKWORX SCUD + CDR

Kaseya 365 Advanced Threat Protection Alternatives FAQ

Common questions security professionals ask when evaluating alternatives and competitors to Kaseya 365 Advanced Threat Protection.

What are the best alternatives to Kaseya 365 Advanced Threat Protection?

The most popular alternatives to Kaseya 365 Advanced Threat Protection include Microsoft Defender for Office 365, Cisco Secure Email Threat Defense, Broadcom Symantec Email Security, Darktrace Email Security, and InSAT Security Inbox. These Email Security Platforms tools offer similar capabilities and are frequently compared by security professionals evaluating their options.

How many alternatives to Kaseya 365 Advanced Threat Protection are available?

Is Kaseya 365 Advanced Threat Protection free or commercial?

What type of tool is Kaseya 365 Advanced Threat Protection?

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

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