Top Microsoft 365 Defender Alternatives
Unified security solution for Microsoft 365, providing threat protection and detection.
20 Similar Companies in Cybersecurity
Ranked by total score and funding data on StartupHub.ai


Cisco Systems
Global technology leader providing networking, security, and collaboration solutions for businesses.


L3Harris Technologies
Global aerospace and defense technology innovator.


Accenture
A global professional services company with leading capabilities in digital, cloud, and security.


Wiz
Cloud security platform identifying and removing critical risks across AWS, Azure, GCP, and Kubernetes.


Broadcom
Broadcom is a global technology leader designing, developing, and supplying semiconductor and infrastructure software solutions.
CACI
A leading provider of information solutions and services to the U.S. federal government.


PwC
A global professional services firm offering audit, tax, and consulting services, now heavily investing in AI-driven security operations.


SentinelOne
SentinelOne delivers autonomous cybersecurity through its AI-powered Singularity Platform, protecting endpoints, cloud workloads, and identities.
Trend Micro
A global leader in cybersecurity solutions protecting organizations and individuals from digital threats.


Veeam Software Group
A global leader in data management and protection, now tackling AI risk and enabling secure AI agent scaling.
Zscaler
Securing the enterprise AI journey.




Talon
Talon Cyber Security developed a secure enterprise browser for distributed workforces.


Everpure
Defining the future of data management by reshaping storage.


Arctic Wolf Networks
The leader in security operations, delivering a cloud-native platform with a Concierge Security Team to help organizations detect, respond to, and recover from cyber threats.
Akamai
Akamai provides a globally distributed cloud platform for content delivery, cybersecurity, and cloud computing.


Cloudflare
Cloud infrastructure platform providing CDN, security, and web optimization services.


Quest Software
Global provider of data management, cybersecurity, and platform modernization solutions for enterprises.


Snyk
Snyk is a developer security platform that helps software teams find and fix vulnerabilities in code, open source dependencies, containers, and cloud infrastructure.


Palo Alto Networks
Global leader in cloud-native cybersecurity platform protecting networks and endpoints.
About Microsoft 365 Defender and Alternatives
Microsoft 365 Defender is a Cybersecurity company unified security solution for microsoft 365, providing threat protection and detection.. If you're evaluating Cybersecurity solutions, these 20 alternatives offer similar capabilities and market positioning. StartupHub.ai tracks funding, team composition, and competitive positioning across 11,000+ AI startups to help you make informed decisions. Browse each profile to compare founders, investors, and funding history.
