9 Best SentinelOne Alternatives and Competitors in 2026

SentinelOne is an AI-powered cybersecurity platform focused on endpoint, identity, cloud, and security operations. Its Singularity Platform brings prevention, detection, investigation, and response into a unified security architecture designed to protect endpoints, cloud workloads, identities, and other security data sources.

The platform has expanded beyond traditional endpoint protection through capabilities for EDR, XDR, identity security, cloud security, vulnerability management, AI security, and security information and event management. SentinelOne also provides Purple AI and AI SIEM capabilities for security investigation, threat hunting, data analysis, and response automation.

SentinelOne’s approach centers on autonomous detection and response, with its endpoint platform designed to identify suspicious behavior, contain threats, remediate attacks, and provide rollback capabilities. Its current portfolio also extends protection to cloud workloads, cloud data stores, identities, and AI environments.

This guide covers 9 SentinelOne alternatives and competitors in 2026, including cybersecurity platforms for endpoint protection, EDR, XDR, cloud security, identity protection, threat intelligence, SIEM, managed detection and response, and security operations. These alternatives differ in their approach to autonomous protection, platform consolidation, deployment, integrations, and security operations.

Why Look for SentinelOne Alternatives?

SentinelOne provides broad endpoint and security operations capabilities, but its platform may not be the right fit for every organization’s existing security stack, operating model, or coverage requirements.

Common reasons to consider SentinelOne alternatives include:

• Need a stronger network-security portfolio: Organizations looking for a platform centered on next-generation firewalls, network security appliances, secure web gateways, or broader network infrastructure may need capabilities beyond SentinelOne’s core endpoint-focused architecture.
• Need deeper identity and access management: Companies that require a broader IAM platform covering authentication, privileged access, identity governance, or access management may look beyond SentinelOne’s identity-security capabilities.
• Need a more established firewall ecosystem: Organizations replacing or consolidating firewall infrastructure may prefer a vendor with a larger network-security and firewall portfolio.
• Need broader email security: Companies requiring dedicated protection for email, collaboration platforms, phishing, business email compromise, and email-based threats may consider vendors with more extensive email-security portfolios.
• Need a different security-management model: Organizations that prefer traditional security appliances, highly specialized security products, or a different combination of cloud and on-premises controls may find another architecture more suitable.
• Need different pricing or licensing options: Companies may evaluate alternatives when SentinelOne’s licensing structure, required modules, or overall security-platform costs do not align with their budget or procurement model.
• Need specialized security services: Some organizations may require capabilities such as network security, application security, email protection, or managed security services from a vendor whose portfolio is more heavily focused on those areas.

SentinelOne Competitors Comparison Table

The table below compares nine SentinelOne alternatives across their major security services, primary use cases, free-plan availability, and current G2 ratings.

Top 9 SentinelOne Alternatives and Competitors in 2026

These SentinelOne alternatives offer different approaches to endpoint protection, EDR, XDR, cloud security, identity protection, and security operations. The following tools are selected based on their overlap with SentinelOne’s core security capabilities and the additional security services they provide.

1. CrowdStrike

CrowdStrike is one of the closest alternatives to SentinelOne for organizations primarily evaluating endpoint protection, EDR, XDR, cloud security, identity protection, and security operations. Its Falcon platform combines endpoint protection with broader capabilities for cloud, identity, SIEM, threat intelligence, and managed detection and response.

CrowdStrike’s platform extends beyond traditional antivirus through behavioral detection, endpoint telemetry, threat hunting, device control, identity protection, cloud security, and security analytics. Its current portfolio also includes Next-Gen SIEM and managed protection services, allowing organizations to expand from endpoint protection into broader SOC workflows.

As a SentinelOne alternative, CrowdStrike is particularly relevant to organizations that want endpoint security combined with cloud, identity, threat intelligence, and security operations capabilities. CrowdStrike also provides a 15-day free trial, while its Falcon Go offering is publicly listed at $7.99 per device per month at the time of research.

Key Features

• Endpoint Protection: Falcon provides next-generation antivirus and behavioral protection designed to stop malware, ransomware, and more advanced threats.
• EDR: Endpoint detection and response capabilities provide telemetry, detection, investigation, threat hunting, and response controls.
• XDR: CrowdStrike correlates security signals across endpoints, identities, cloud environments, and other sources to provide broader attack visibility.
• Cloud Security: Falcon Cloud Security provides cloud-native application security, workload protection, and cloud security posture capabilities.
• Identity Security: Identity protection helps detect and prevent attacks involving compromised credentials and identity-based threats.
• Next-Gen SIEM: CrowdStrike provides security analytics and SIEM capabilities for collecting and investigating security data across environments.
• Threat Intelligence: Threat intelligence and hunting services provide information and context for investigating adversaries, campaigns, and indicators.
• Managed Detection and Response: Falcon Complete provides expert-led managed detection and response for organizations that need additional SOC support.

Also Read: Best CrowdStrike Alternatives and Competitors in 2026

2. Microsoft

Microsoft provides a broad security ecosystem spanning endpoint protection, XDR, cloud security, identity, SIEM, email security, and data protection. Microsoft Defender products connect closely with Microsoft 365, Azure, Windows, and Entra, making the platform particularly relevant to organizations already invested in Microsoft’s enterprise ecosystem.

Defender for Endpoint provides endpoint detection and response, while Defender for Cloud addresses cloud security and Defender XDR connects signals across endpoint, identity, email, and other Microsoft security products. Microsoft Sentinel adds cloud-native SIEM capabilities, while Microsoft Purview extends the portfolio into data security and governance.

As a SentinelOne alternative, Microsoft is particularly useful for organizations that want security capabilities tightly integrated with their existing Microsoft infrastructure. Its broad portfolio also allows security teams to combine endpoint, identity, cloud, email, and SIEM capabilities instead of relying on an endpoint platform alone.

Key Features

• Endpoint Security: Defender for Endpoint provides endpoint prevention, detection, investigation, response, and vulnerability-management capabilities.
• XDR: Microsoft Defender XDR correlates security signals across endpoints, identities, email, applications, and other supported environments.
• Cloud Security: Defender for Cloud provides cloud security posture management and workload protection across supported cloud environments.
• Identity Security: Microsoft Entra provides identity, authentication, access management, governance, and related security controls.
• SIEM: Microsoft Sentinel provides cloud-native SIEM capabilities for collecting, analyzing, and responding to security data.
• Email Security: Defender for Office 365 protects Microsoft 365 email and collaboration environments against phishing, malware, and other threats.
• Data Security: Microsoft Purview provides data classification, DLP, information protection, and compliance capabilities.
• Security Operations: Microsoft’s security ecosystem connects threat detection, investigation, automation, analytics, and response across its security products.

Also Read: Best Microsoft Security Alternatives and Competitors in 2026

3. Palo Alto Networks

Palo Alto Networks provides a broad cybersecurity portfolio that extends from endpoint and XDR capabilities into network security, SASE, cloud security, security operations, identity, and data protection. Its Cortex portfolio addresses endpoint protection, XDR, SIEM, SOAR, and security operations, while Prisma and Strata cover cloud, SASE, and network-security requirements.

Cortex XDR provides endpoint detection and response capabilities while connecting endpoint, network, cloud, and other telemetry. Palo Alto Networks also provides Cortex XSIAM for security operations and a broader set of cloud and network security services across its portfolio.

As a SentinelOne alternative, Palo Alto Networks is relevant to organizations that want to combine endpoint protection with a wider network, cloud, SASE, and security-operations portfolio. It can be particularly useful for enterprises seeking broader security-platform coverage beyond endpoint security.

Key Features

• Endpoint Security: Cortex provides endpoint protection, detection, investigation, and response capabilities.
• XDR: Cortex XDR correlates endpoint, network, cloud, and other security telemetry for broader threat detection.
• Security Operations: Cortex XSIAM combines security analytics, detection, investigation, and response capabilities.
• Network Security: Palo Alto Networks provides next-generation firewall and network-security technologies across physical, virtual, and cloud environments.
• SASE: Prisma Access provides cloud-delivered security and secure-access capabilities for distributed users and applications.
• Cloud Security: Prisma and Cortex cloud-security technologies provide posture, workload, application, and runtime protection.
• Threat Intelligence: Unit 42 provides threat intelligence, research, incident response, and security services.
• Data and AI Security: Palo Alto Networks has expanded its portfolio into data security and AI-security use cases.

Also Read: Best Palo Alto Networks Alternatives and Competitors in 2026

4. Fortinet

Fortinet provides a broad cybersecurity portfolio spanning endpoint security, network security, cloud security, SASE, security operations, identity, and data protection. Its Security Fabric connects security controls across network, endpoint, cloud, and other environments.

FortiClient provides endpoint protection and telemetry, while FortiEDR addresses endpoint detection and response. Fortinet also provides FortiCNAPP for cloud security and FortiSIEM and FortiSOAR for security operations, giving the vendor broader coverage than a traditional endpoint-security platform.

As a SentinelOne alternative, Fortinet is particularly relevant to organizations that want endpoint security alongside a large network-security and firewall ecosystem. It can also be useful for companies managing branch networks, hybrid infrastructure, cloud workloads, and distributed security environments.

Key Features

• Endpoint Security: FortiClient and FortiEDR provide endpoint protection, telemetry, detection, and response capabilities.
• Network Security: Fortinet’s network-security portfolio provides firewall, intrusion prevention, VPN, application control, and threat-prevention capabilities.
• Cloud Security: FortiCNAPP combines cloud posture, workload, entitlement, Kubernetes, and compliance capabilities.
• SASE: Fortinet provides cloud-delivered secure access, Zero Trust, SD-WAN, and security services.
• SIEM: FortiSIEM provides security monitoring, event correlation, and analytics for security operations.
• SOAR: FortiSOAR supports investigation, orchestration, automation, and response workflows.
• Identity Security: Fortinet provides identity-aware security controls and access capabilities across its broader security architecture.
• Threat Intelligence: FortiGuard services provide threat intelligence and security subscriptions supporting prevention across multiple security layers.

Also Read: Best Fortinet Alternatives and Competitors in 2026

5. Check Point

Check Point offers endpoint, network, cloud, SASE, email, data, and threat-prevention capabilities through its broader cybersecurity portfolio. Its products cover multiple layers of enterprise security, allowing organizations to combine endpoint protection with network and cloud controls.

Check Point Endpoint Security provides endpoint protection, while its network-security portfolio includes next-generation firewalls. The company also provides cloud firewall, email security, SASE, exposure management, and other enterprise security services.

As a SentinelOne alternative, Check Point is relevant to organizations that want endpoint security from a vendor with a substantial network-security and threat-prevention portfolio. It can also be useful when endpoint protection needs to operate alongside firewall, cloud, email, and application-security controls.

Key Features

• Endpoint Security: Check Point provides endpoint prevention, detection, data security, and remote-access capabilities.
• Network Security: Its next-generation firewalls provide traffic inspection, threat prevention, application control, and policy enforcement.
• Cloud Security: Cloud firewall and cloud-security services protect workloads and cloud infrastructure.
• SASE: Check Point provides secure-access capabilities for distributed users, applications, and devices.
• Email Security: Email-security services protect cloud email and collaboration environments from targeted attacks.
• Data Security: Data protection capabilities help secure sensitive information across supported environments.
• Threat Prevention: Check Point provides threat-prevention technologies across network, endpoint, cloud, and other security layers.
• Exposure Management: Exposure management capabilities help identify and prioritize security risks across enterprise environments.

Also Read: Best Check Point Alternatives and Competitors in 2026

6. Sophos

Sophos combines endpoint protection, network security, XDR, MDR, SASE, email security, and cloud security within its broader cybersecurity portfolio. Its security products are managed through Sophos Central, providing organizations with a centralized way to manage supported security technologies.

Sophos Endpoint provides protection and detection capabilities, while Sophos Firewall covers network security. Sophos MDR adds managed detection and response services, giving organizations an option to supplement their internal security operations with an external security team.

As a SentinelOne alternative, Sophos is particularly relevant to organizations that want endpoint security combined with firewall protection and managed detection and response. Its portfolio can also suit organizations that prefer centralized management across multiple security layers.

Key Features

• Endpoint Security: Sophos Endpoint provides malware prevention, ransomware protection, exploit prevention, and endpoint detection.
• XDR: Sophos XDR correlates information across supported endpoint, network, email, and cloud sources.
• MDR: Sophos MDR provides managed monitoring, threat hunting, investigation, and response services.
• Network Security: Sophos Firewall provides firewalling, VPN, web protection, application control, and threat prevention.
• SASE: Sophos provides secure-access capabilities for users and applications in distributed environments.
• Email Security: Email protection helps defend against phishing, malware, ransomware, and other email-based attacks.
• Cloud Security: Sophos provides security controls for supported cloud environments and workloads.
• Centralized Management: Sophos Central provides centralized administration and visibility across Sophos security products.

Also Read: Best Sophos Alternatives and Competitors in 2026

7. Trend Micro

Trend Micro provides endpoint, cloud, network, email, XDR, data-security, and threat-intelligence capabilities through its broader TrendAI Vision One platform. Its portfolio extends beyond endpoint protection into cloud workloads, email and collaboration, Zero Trust access, threat intelligence, and security operations.

TrendAI Vision One currently provides endpoint-security packages ranging from core protection to more advanced endpoint detection and response capabilities. Its broader services include cloud, email and collaboration security, threat intelligence, Zero Trust Secure Access, forensics, and XDR.

As a SentinelOne alternative, Trend Micro is particularly relevant to organizations that need endpoint protection alongside cloud, email, network, and broader security controls. Its credit-based model also provides a different way of purchasing and expanding security capabilities.

Key Features

• Endpoint Security: TrendAI Vision One provides endpoint prevention, firewall, device control, DLP, application control, and intrusion-prevention capabilities.
• EDR and XDR: XDR for endpoints provides detection and response capabilities, while broader XDR correlates signals across supported environments.
• Cloud Security: Trend Micro provides protection for cloud workloads, applications, containers, and cloud infrastructure.
• Email Security: Email and collaboration security protects against phishing, malware, spam, account takeover, and other email threats.
• Zero Trust Access: Trend Micro provides private and internet-access capabilities for users and applications.
• Threat Intelligence: Threat Intelligence Hub provides intelligence on threat actors, campaigns, indicators, and attack activity.
• Forensics: Evidence-collection capabilities support security investigations and digital forensics workflows.
• Data Security: Trend Micro provides controls for monitoring and protecting sensitive data across supported endpoint and cloud environments.

Also Read: Best Trend Micro Alternatives and Competitors in 2026

8. Bitdefender

Bitdefender provides enterprise security through its GravityZone platform, covering endpoint protection, EDR, XDR, cloud security, risk analytics, and managed detection and response. Its platform combines prevention, detection, response, and security-management capabilities for organizations protecting endpoints and broader infrastructure.

GravityZone supports endpoint protection as well as advanced detection and response capabilities. Its XDR capabilities extend visibility across endpoints, identities, networks, cloud workloads, and applications, while its MDR offering provides additional security monitoring and response.

As a SentinelOne alternative, Bitdefender is particularly relevant to organizations that want strong endpoint prevention combined with EDR, XDR, cloud security, and managed security options. It also provides a broader security platform without requiring organizations to use SentinelOne’s specific autonomous-security architecture.

Key Features

• Endpoint Protection: GravityZone provides malware prevention, ransomware defense, behavioral detection, and endpoint security controls.
• EDR: Endpoint detection and response capabilities support investigation, threat hunting, and incident response.
• XDR: GravityZone XDR provides visibility across endpoints, identities, networks, cloud workloads, and applications.
• Cloud Security: Bitdefender provides security controls for cloud workloads and infrastructure.
• MDR: GravityZone MDR provides managed endpoint detection and response and ongoing security monitoring.
• Risk Analytics: Risk-management capabilities help organizations identify and prioritize endpoint and infrastructure risks.
• Threat Prevention: Behavioral and machine-learning technologies provide protection against known and unknown threats.
• Centralized Management: GravityZone provides centralized administration and visibility across supported security products and environments.

Also Read: Best Bitdefender Alternatives and Competitors in 2026

9. Cybereason

Cybereason focuses heavily on endpoint protection, detection and response, threat investigation, and managed security services. Its Defense Platform is designed to identify malicious activity and provide broader context around attack campaigns rather than presenting security teams with isolated endpoint alerts.

Cybereason also provides Managed Detection and Response, giving organizations access to 24/7 monitoring, threat hunting, investigation, and remediation services. Its platform is particularly focused on behavioral detection and understanding the relationship between malicious activities across an attack.

As a SentinelOne alternative, Cybereason is relevant to organizations that primarily need endpoint detection and response with additional managed security support. It is a more focused option than broad cybersecurity vendors that combine endpoint security with extensive firewall, cloud, SASE, and network portfolios.

Key Features

• Endpoint Protection: Cybereason provides endpoint prevention and protection against malware and advanced threats.
• EDR: Endpoint detection and response capabilities provide visibility into suspicious behavior and support investigation.
• Attack Context: The platform connects related malicious activities to provide security teams with broader attack context.
• Behavioral Detection: Cybereason analyzes behavior and activity patterns to identify malicious operations beyond traditional signature-based detection.
• Threat Investigation: Security teams can investigate activity across endpoints and identify relationships between events.
• MDR: Cybereason MDR provides managed monitoring, threat hunting, detection, and remediation services.
• Incident Response: The platform supports investigation and response workflows for active security incidents.
• Centralized Visibility: Cybereason provides a centralized view of endpoint activity and malicious operations for security teams.

How to Choose SentinelOne Alternatives

Choosing a SentinelOne alternative starts with identifying which parts of the Singularity Platform your organization currently relies on and which capabilities need to be replaced.

• Endpoint protection: Compare malware prevention, behavioral detection, ransomware protection, exploit prevention, device control, and endpoint management.
• EDR: Evaluate endpoint telemetry, threat hunting, investigation, attack visualization, remediation, and response automation.
• XDR: Check whether the alternative can correlate endpoint data with identity, cloud, network, email, and other security signals.
• Cloud security: If cloud workloads are important, compare CSPM, workload protection, container security, runtime protection, and cloud application security.
• Identity security: Consider identity threat detection, credential protection, privileged access, MFA, identity posture, and access controls.
• Security operations: Compare SIEM, SOAR, security analytics, threat hunting, case management, and automated response capabilities.
• Managed detection and response: Organizations without large internal SOC teams should evaluate MDR coverage, analyst expertise, response capabilities, and operating hours.
• Network security: If SentinelOne is being replaced as part of a broader security-stack change, check whether the alternative also provides firewall, secure-access, network detection, or SASE capabilities.
• Integrations: Review integrations with your existing identity providers, cloud platforms, SIEM, IT management systems, security tools, and endpoint infrastructure.
• Deployment: Compare cloud-native, on-premises, hybrid, and agent-based deployment models based on your environment.
• Pricing and licensing: Evaluate per-device, per-user, credit-based, module-based, and bundled licensing models, including the cost of additional security capabilities.
• Management: Consider whether the platform provides the centralized visibility and administration your security team needs without adding unnecessary operational complexity.

Conclusion

SentinelOne has expanded from an endpoint-security platform into a broader security platform covering endpoint, identity, cloud, AI, data, vulnerability management, and security operations. Its Singularity architecture connects these capabilities through a shared platform and data foundation, with AI-powered detection, investigation, and response across multiple security surfaces.

CrowdStrike provides a particularly broad alternative around endpoint, cloud, identity, XDR, SIEM, threat intelligence, and MDR. Microsoft offers deep integration across endpoint, identity, cloud, email, data, and SIEM, while Palo Alto Networks extends endpoint security into network, SASE, cloud, and security operations.

Fortinet and Check Point provide strong combinations of endpoint and network security, while Sophos combines endpoint, firewall, XDR, and MDR capabilities. Trend Micro covers endpoint, cloud, email, XDR, Zero Trust, and threat intelligence, while Bitdefender focuses on endpoint, EDR, XDR, cloud, and managed security. Cybereason remains more focused on endpoint detection, attack investigation, and MDR.

When comparing SentinelOne alternatives, focus on endpoint protection, EDR, XDR, cloud security, identity security, SIEM, threat intelligence, MDR, integrations, deployment, management, and licensing. The right option depends on whether you need a direct endpoint-security replacement or a broader security platform that can consolidate additional parts of your security stack.

Frequently Asked Questions

1. What are the best SentinelOne alternatives?

Leading SentinelOne alternatives include CrowdStrike, Microsoft, Palo Alto Networks, Fortinet, Check Point, Sophos, Trend Micro, Bitdefender, and Cybereason. Their capabilities differ across endpoint security, EDR, XDR, cloud security, identity, SIEM, and managed security.

2. What is SentinelOne used for?

SentinelOne provides cybersecurity capabilities for endpoint protection, EDR, identity security, cloud security, AI security, vulnerability management, security operations, and related detection and response workflows.

3. Is CrowdStrike a SentinelOne alternative?

Yes. CrowdStrike is a major alternative for organizations evaluating endpoint protection, EDR, XDR, cloud security, identity security, SIEM, threat intelligence, and MDR.

4. Is Microsoft Defender a SentinelOne alternative?

Yes. Microsoft Defender can replace or complement SentinelOne for endpoint protection and EDR, particularly when an organization already uses Microsoft 365, Azure, Entra, and other Microsoft security technologies.

5. Is Palo Alto Networks a SentinelOne competitor?

Yes. Palo Alto Networks’ Cortex portfolio overlaps with SentinelOne in endpoint, XDR, and security operations, while its broader portfolio adds network, SASE, and cloud security capabilities.

6. Is Fortinet a SentinelOne alternative?

Yes. Fortinet provides endpoint security through its endpoint portfolio while also offering network security, cloud security, SASE, SIEM, SOAR, and other capabilities.

7. Does SentinelOne provide cloud security?

Yes. SentinelOne’s current portfolio includes cloud security, cloud-native workload security, cloud data security, and CNAPP-related capabilities.

8. Which SentinelOne alternatives offer MDR?

CrowdStrike, Sophos, Trend Micro, Bitdefender, and Cybereason provide managed detection and response or closely related managed security services.

9. Which SentinelOne alternatives offer XDR?

CrowdStrike, Microsoft, Palo Alto Networks, Sophos, Trend Micro, and Bitdefender provide XDR or broader cross-domain detection and response capabilities.

10. What should I consider when replacing SentinelOne?

Compare endpoint protection, EDR, XDR, cloud security, identity protection, SIEM, MDR, threat intelligence, integrations, deployment options, management requirements, and total licensing costs.

11. Does SentinelOne have a free plan?

SentinelOne primarily offers commercial enterprise security products rather than a permanent free business plan. Availability of trials or evaluation options can vary by product and region, so organizations should check the current offering directly with SentinelOne.

12. Which SentinelOne alternative is best for endpoint security?

The choice depends on the organization’s requirements. CrowdStrike, Microsoft, Sophos, Trend Micro, Bitdefender, and Cybereason all provide endpoint-security capabilities, but their broader portfolios, deployment models, integrations, and security operations features differ.