- Access Management
- Application
- Certificates
- Cybersecurity
- Endpoint Protection Platform
- Enterprise
- IT Governance
- Just-In-Time Access
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Who is ThreatLocker?
ThreatLocker is a cybersecurity vendor that provides application allowlisting, ringfencing, and granular access controls for endpoints and servers.
- Application allowlisting and deny-by-default endpoint control platform (endpoint security)
- Ringfencing and granular policy controls to manage application-to-application and application-to-resource communication (endpoint security)
- Privilege elevation and Just-In-Time Access (JIT) controls for users and applications (identity and access management)
- Storage control policies governing access to storage devices, network shares, and file locations (data security)
- Centralized cloud-based management console for policy creation, deployment, and monitoring across distributed environments (security management)
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More About ThreatLocker
ThreatLocker operates in the endpoint and server security domain, with a focus on application allowlisting and granular policy-based controls that constrain what software can execute and how it interacts with other assets. The platform is positioned for use in enterprise IT environments, managed service providers, and regulated sectors that require tight control over executable code, user privileges, and access to data. Its core model follows a default-deny approach, where only authorized software and defined behaviors are permitted, while unknown or unauthorized executables and actions are blocked.
The ThreatLocker platform (endpoint security) typically consists of an agent installed on endpoints and servers and a centralized, cloud-based management console used for configuration and monitoring. Administrators define allowlisting policies that specify which applications, scripts, services, and binaries may run, often using file hashes, paths, certificates, and other attributes. Ringfencing capabilities restrict how permitted applications can interact with system resources, networks, and other applications, limiting lateral movement and abuse of trusted software. Storage control features (data security) manage access to USB devices, network shares, and other storage targets to reduce exposure to data exfiltration and ransomware.
ThreatLocker also offers privilege elevation and JIT controls (identity and access management), allowing organizations to remove local administrative rights from users and instead grant time-bound or workflow-driven elevation when needed. This design aligns with least-privilege and zero trust security principles, where both applications and users are subject to granular control and continuous policy enforcement. The platform integrates with Windows-based infrastructures and commonly used enterprise directories and management frameworks, reflecting its alignment with mainstream enterprise IT environments.
From a marketplace taxonomy perspective, ThreatLocker fits into categories such as endpoint security, application control, zero trust enforcement, and privilege management. It is generally evaluated alongside allowlisting and application control tools, endpoint protection platforms that include policy-based execution control, and solutions that combine device control with access governance. For enterprises building layered defenses against malware, ransomware, and unauthorized software usage, ThreatLocker’s deny-by-default model, ringfencing controls, and centralized policy management provide a policy-centric approach to endpoint and server security that complements traditional signature-based or behavior-based detection tools.
Our description of ThreatLocker. Updated December 2025.
