Threatlocker Application Allowlisting Review

Last updated: April 2026

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Quick Answer

CrowdStrike achieved 100% detection and protection scores with zero false positives in MITRE evaluations, unlike SentinelOne's 50% protection score and 7 false positives.
SentinelOne's agent had the lowest total accuracy in the SE Labs 2024 Endpoint Security Enterprise test.
CrowdStrike's single, lightweight agent installs in minutes to hundreds of thousands of endpoints, streamlining operations.
Managed Service Providers (MSPs) often leverage EDR solutions to provide robust security services, focusing on autonomous prevention, detection, and response.

Application allowlisting is a fundamental cybersecurity strategy that dictates precisely which applications are permitted to execute on a system. This approach significantly enhances security by preventing unauthorized software, including unknown threats and zero-day attacks, from running. When evaluating such solutions, it is crucial to compare them against leading Endpoint Detection and Response (EDR) platforms like CrowdStrike and SentinelOne, which offer advanced threat prevention capabilities. In recent MITRE Engenuity tests, CrowdStrike demonstrated superior performance with 100% detection and protection scores and zero false positives, while SentinelOne recorded a 50% protection score and 7 false positives. This stark difference in performance highlights the varying degrees of efficacy among top-tier security solutions, a critical consideration for any organization, especially Managed Service Providers (MSPs) and Managed Security Service Providers (MSSPs), who are tasked with protecting client environments.

What is Application Allowlisting?

Application allowlisting is a security measure that permits only approved applications to run on a system. This method operates on the principle of "deny by default," meaning that any application not explicitly listed as allowed is automatically blocked. This contrasts sharply with traditional antivirus software, which primarily focuses on identifying and blocking known malicious software. While antivirus solutions rely on signature databases and behavioral analysis to detect threats, allowlisting proactively prevents unknown and emerging threats by limiting executable code to a trusted set. By adopting an allowlisting strategy, organizations can significantly reduce their attack surface and mitigate the risk of sophisticated attacks, including those that exploit zero-day vulnerabilities.

The Core Principle of Allowlisting

The fundamental concept behind application allowlisting is simple yet powerful: if it's not on the list, it doesn't run. This approach provides a high level of control over the software environment, ensuring that only necessary and validated programs can execute. For instance, a business might allowlist specific productivity suites, operating system components, and industry-specific applications, while blocking all other executables. This strict control makes it exceedingly difficult for malware, ransomware, or other unauthorized code to infiltrate and operate within the system, even if it bypasses other security layers. The proactive nature of allowlisting means it can prevent attacks that traditional signature-based security tools might miss, offering a robust defense against evolving cyber threats.

How Allowlisting Differs from Traditional Antivirus

Traditional antivirus software typically works by scanning files and processes for known malicious signatures or suspicious behaviors. When a threat is identified, the antivirus attempts to quarantine or remove it. This reactive approach, while necessary, has limitations. New malware variants and zero-day exploits often go undetected until their signatures are added to threat intelligence databases. In contrast, application allowlisting doesn't need to know what's bad; it only needs to know what's good. By only permitting trusted applications, it inherently blocks everything else, including novel threats. This makes allowlisting a powerful tool for preventing unknown threats and zero-day attacks, as it restricts the execution environment to only trusted processes. This fundamental difference in philosophy – reactive blocking versus proactive permission – forms the basis of allowlisting's strength in modern cybersecurity.

Implementing Allowlisting for Enhanced Security

Implementing application allowlisting requires careful planning and continuous management. Organizations must identify all legitimate applications required for their operations and create a comprehensive whitelist. This process often involves cataloging software, understanding dependencies, and establishing policies for software updates and new application approvals. Once implemented, allowlisting policies need regular review and adjustment to accommodate new business needs and application changes. While the initial setup can be intensive, the long-term security benefits are substantial. It significantly reduces the risk of malware execution, unauthorized software installations, and data breaches. For Managed Service Providers (MSPs), integrating allowlisting solutions into their security offerings can provide a strong differentiator, enabling them to deliver a higher level of protection to their clients. This proactive security posture is increasingly vital in a landscape where cyber threats are growing in sophistication and volume.

How Does Threatlocker Compare to Leading EDR Solutions?

When we analyze the landscape of endpoint security, particularly with solutions like Threatlocker that focus on application allowlisting, it's natural to compare them with established Endpoint Detection and Response (EDR) platforms. CrowdStrike and SentinelOne are frequently mentioned in these comparisons due to their advanced capabilities in threat prevention, detection, and response. While Threatlocker focuses specifically on controlling application execution, EDR solutions like CrowdStrike and SentinelOne offer a broader suite of security functions, including behavioral analytics, threat intelligence, and automated response mechanisms. Understanding these differences helps in determining how an allowlisting solution fits into a comprehensive security strategy alongside or integrated with EDR.

CrowdStrike's AI-Powered Approach

CrowdStrike’s Falcon platform is known for its AI-powered Indicators of Attack (IOAs) and integrated threat intelligence. This platform is designed to deliver unmatched breach prevention and curated alert context. According to CrowdStrike, their approach uses unsupervised machine learning to find stealthy attacks and cut out false positives that drain a Security Operations Center (SOC) team's time CrowdStrike vs. SentinelOne Comparison. This focus on AI and machine learning allows CrowdStrike to identify and stop threats that might evade traditional signature-based detection. Their platform is built as a unified system, aiming to consolidate various security functions, including endpoint, cloud, and identity security. This integrated approach means that allowlisting, if implemented alongside CrowdStrike, would function as one layer within a multi-faceted defense, complementing the EDR's ability to detect and respond to threats that manage to bypass initial execution controls.

SentinelOne's Singularity Platform

SentinelOne, on the other hand, offers its AI-powered Singularity Platform, which emphasizes autonomous prevention, detection, and response. The platform integrates various security capabilities, including endpoint security, Extended Detection and Response (XDR), vulnerability management, and identity threat detection. SentinelOne’s approach is designed to provide comprehensive adversary intelligence and orchestrate forensics at scale SentinelOne Platform Overview. Their platform aims to secure AI tools across the enterprise and offers an AI-SIEM for autonomous SOC operations. While SentinelOne also leverages AI for security, their focus on "autonomous" capabilities suggests an emphasis on automated actions to neutralize threats without human intervention. This could be particularly appealing for organizations looking to reduce manual security workloads. When considering Threatlocker's allowlisting alongside SentinelOne, the goal would be to leverage Threatlocker for its stringent application control, while SentinelOne handles the broader spectrum of threat detection and automated response across the entire digital estate, including cloud and identity layers.

Complementing Allowlisting with EDR

Application allowlisting, while highly effective at preventing unauthorized code execution, is not a standalone solution for all cybersecurity challenges. It needs to be complemented by robust EDR capabilities that can monitor for legitimate applications being exploited, detect sophisticated fileless attacks, and provide comprehensive visibility into endpoint activities. EDR solutions offer the crucial ability to detect post-exploitation behaviors, identify lateral movement, and provide the necessary context for rapid incident response. For example, if an allowed application is compromised through a vulnerability, an EDR solution would be essential to detect the subsequent malicious activity. Therefore, integrating an allowlisting solution like Threatlocker with a leading EDR platform such as CrowdStrike or SentinelOne creates a stronger, multi-layered defense. The allowlisting provides the foundational control over what can run, while the EDR offers advanced detection and response capabilities for threats that operate within or exploit allowed processes. This combination offers a more complete security posture against a wide array of cyber threats.

What Are the Performance Differences Between Top EDRs?

When evaluating the effectiveness of security solutions, performance differences are a critical factor, especially for Managed Service Providers (MSPs) who need reliable and accurate tools for their clients. Independent tests and industry benchmarks provide valuable insights into how EDR solutions perform under real-world attack scenarios. These evaluations often highlight significant disparities in detection rates, protection scores, and the prevalence of false positives, all of which impact an organization's security posture and the operational burden on security teams. In our analysis, we rely on data from reputable testing bodies to draw clear conclusions about the capabilities of leading EDR platforms.

MITRE Engenuity Test Results

One of the most respected evaluations in the cybersecurity industry is the MITRE Engenuity ATT&CK Evaluations. These tests simulate real-world adversary tactics and techniques, providing a comprehensive assessment of how well security products detect and protect against sophisticated attacks. In these evaluations, CrowdStrike demonstrated exceptional performance. CrowdStrike achieved 100% detection and protection scores with zero false positives in MITRE evaluations, showcasing its ability to effectively identify and neutralize threats without generating unnecessary alerts. This level of accuracy is paramount for security teams, as high false positive rates can lead to alert fatigue and divert resources from genuine threats.

In contrast, SentinelOne's performance in the same MITRE Engenuity tests was less robust. SentinelOne scored 50% protection with 7 false positives in MITRE Engenuity tests, indicating a significant gap in its ability to prevent attacks and a higher likelihood of generating alerts that do not represent actual threats. Furthermore, SentinelOne elected to withdraw from the most recent evaluation after MITRE revealed its cross-domain scope and complexity, according to CrowdStrike's comparison CrowdStrike vs. SentinelOne Comparison. This decision raises questions about its readiness to handle advanced, multi-stage attacks across various domains. The difference between 100% protection with zero false positives and 50% protection with seven false positives is substantial, directly impacting an organization's vulnerability to breaches and the efficiency of its security operations.

SE Labs 2024 Endpoint Security Enterprise Test

Beyond MITRE, other independent testing bodies also provide valuable insights into EDR performance. The SE Labs 2024 Endpoint Security Enterprise test is another benchmark that assesses the overall accuracy and effectiveness of endpoint security products. In this specific evaluation, SentinelOne's agent showed the lowest total accuracy. This finding further corroborates the pattern observed in the MITRE Engenuity tests, suggesting that SentinelOne may have inherent limitations in its detection engine compared to other leading solutions. Low total accuracy means that the product is less effective at both detecting legitimate threats and avoiding false positives, which can be detrimental for organizations relying on these tools for their primary defense.

The implications of these performance differences are profound. A solution with lower accuracy and higher false positives can lead to increased operational burdens for SOC teams, who must spend more time triaging alerts, many of which may not be critical. It can also create blind spots, as genuine threats might be missed amidst a deluge of false alarms or due to ineffective protection mechanisms. For MSPs, choosing an EDR solution with proven high accuracy and low false positives is essential to provide reliable security services and maintain client trust. These performance metrics are not merely numbers; they represent the real-world difference between a secure environment and one constantly at risk of a breach.

Impact on Threat Detection and Response

The performance differences directly translate into varying capabilities for threat detection and response. A solution like CrowdStrike, with its 100% detection and protection scores and zero false positives, suggests a highly effective system that can identify and stop breaches with minimal noise. Its AI-powered Indicators of Attack (IOAs) are designed to catch stealthy attacks, including fileless and credential-based threats, which often evade less sophisticated detection engines. This proactive and precise detection capability allows for faster investigations and more effective remediation.

Conversely, a solution with lower protection scores and higher false positives, such as SentinelOne's 50% protection and 7 false positives in MITRE tests, implies potential weaknesses in coverage. Such a system might miss advanced threats and burden SOC teams with a mountain of alerts, leading to slower response times and increased risk. The reliance on "rollback" as a response, as mentioned in the comparison, might not guarantee complete remediation and could leave residual threats. When we consider application allowlisting, its primary role is to prevent execution. However, if a threat bypasses allowlisting or exploits an allowed application, the EDR's detection and response capabilities become critical. The data suggests that some EDRs are significantly more adept at this secondary layer of defense than others, making their performance differences a key consideration for any comprehensive security strategy.

Is Ease of Management a Key Factor?

Ease of management is undeniably a key factor when selecting cybersecurity solutions, particularly for Managed Service Providers (MSPs) who oversee multiple client environments. A solution that is difficult to deploy, challenging to maintain, or resource-intensive can quickly negate its security benefits by increasing operational overhead and impacting endpoint performance. MSPs need tools that are efficient to operate, allowing them to scale their services and deliver consistent protection without excessive manual intervention. The complexity of managing security solutions directly affects the total cost of ownership and the overall effectiveness of a security program.

Streamlined Operations with CrowdStrike

CrowdStrike places a strong emphasis on streamlined operations, touting its platform as effortless to operate. A significant aspect of this is its single, lightweight agent. CrowdStrike's agent installs in minutes to hundreds of thousands of endpoints, demonstrating its efficiency in deployment. This lightweight design means the agent consumes minimal resources, which helps prevent impacts on endpoint performance. For MSPs, rapid deployment across a large number of client devices is a major advantage, reducing the time and effort required to onboard new endpoints or clients.

Furthermore, CrowdStrike's update process is designed to eliminate operational workload for customers. This means that endpoints automatically receive the latest capabilities and protection without cumbersome tuning or manual updates. The goal is to ensure that every endpoint always has the most current defenses, reducing the risk of vulnerabilities due to outdated software. This automated management approach is crucial for MSPs, as it frees up their security teams from routine maintenance tasks, allowing them to focus on higher-value activities like threat hunting and strategic security planning. The ability to deploy and maintain security at scale with minimal effort is a strong differentiator for CrowdStrike, making it an attractive option for providers managing complex IT environments.

Challenges with SentinelOne's Operational Burden

In contrast, SentinelOne has been described in comparisons as harder to deploy and manage, and more challenging to operationalize. One point of concern highlighted is its heavy agent, which is said to consume significant resources. A heavy agent can potentially impact endpoint performance, leading to slower system response times or conflicts with other applications. This can be a significant drawback for end-users and can create friction for MSPs who need to ensure client systems run optimally. Resource consumption is a critical metric, especially for organizations with older hardware or demanding applications, where every bit of processing power and memory counts.

Another operational challenge attributed to SentinelOne involves manual agent updates, which can drive up operational burden. Manual updates require security teams to actively manage the update process across all endpoints, which can be time-consuming and prone to errors, especially in large environments. Additionally, manual exclusions are reportedly required for software interoperability issues, creating potential blind spots for adversaries. These manual processes not only increase the workload for security teams but also introduce opportunities for misconfigurations or delays that could expose systems to threats. For MSPs, these operational complexities can translate into higher labor costs and a greater risk of inconsistent security postures across their client base. The need for constant manual intervention can hinder scalability and efficiency, making the management aspect a significant factor in the overall value proposition of the solution.

Impact on MSPs and MSSPs

For Managed Service Providers (MSPs) and Managed Security Service Providers (MSSPs), ease of management is not just a convenience; it's a business imperative. Efficient deployment and low maintenance requirements directly impact their ability to profitably deliver security services to a wide range of clients. Solutions that are easy to manage allow MSPs to onboard clients faster, reduce the time spent on routine tasks, and allocate resources more effectively. This translates into better service delivery, improved client satisfaction, and stronger client retention.

Conversely, solutions that are difficult to manage can lead to increased operational costs, slower response times to incidents, and potential gaps in security coverage. If an MSP's technicians are constantly troubleshooting agent issues or performing manual updates, they have less time to focus on proactive security measures or responding to critical threats. Therefore, when considering an allowlisting solution or an EDR platform, MSPs must carefully weigh the ease of management alongside performance metrics. A highly effective security tool that is too complex to manage efficiently may not deliver its full potential value, making operational simplicity a non-negotiable requirement for many service providers.

Why Do MSPs and MSSPs Need Robust Security?

Managed Service Providers (MSPs) and Managed Security Service Providers (MSSPs) are on the front lines of cybersecurity, responsible for protecting the IT infrastructure and data of numerous clients. Their unique position makes robust security solutions not just beneficial, but absolutely essential for their business model and the security of the broader digital ecosystem. Clients outsource their IT and security needs to these providers, expecting expert-level protection against an ever-growing array of cyber threats. Failing to deliver robust security can lead to devastating consequences for clients, including data breaches, operational downtime, and severe reputational damage, which in turn reflects poorly on the provider.

The Role of MSPs in IT Security

Managed Service Providers (MSPs) offer a broad range of IT services, which often include aspects of security. These services can encompass everything from network management and cloud services to endpoint protection and data backup. As clients increasingly rely on MSPs for their day-to-day IT operations, the responsibility for securing these environments falls heavily on the provider. An MSP must ensure that the systems they manage are protected against malware, ransomware, phishing attacks, and other cyber threats. This requires not only deploying security tools but also actively managing them, monitoring for incidents, and implementing best practices.

For MSPs, robust security means having access to reliable and effective EDR and allowlisting tools that can scale across diverse client environments. They need solutions that provide autonomous prevention, detection, and response capabilities, as highlighted by platforms like SentinelOne's Singularity Endpoint. The goal is to minimize the impact of threats and maintain business continuity for their clients. Without strong security, an MSP's reputation is at risk, and their clients face significant exposure to cyber incidents. The integrity of an MSP's service offering is directly tied to the strength of its security posture, making it a cornerstone of their value proposition.

The Specialization of MSSPs in Cybersecurity

Managed Security Service Providers (MSSPs) specialize specifically in cybersecurity services, offering more in-depth and focused protection than general MSPs. MSSPs typically provide advanced threat detection, incident response, vulnerability management, security information and event management (SIEM), and compliance services. Their entire business revolves around protecting clients from cyber threats, meaning their need for robust security is even more pronounced. MSSPs often leverage sophisticated tools and expertise to build a comprehensive defense strategy for their clients, acting as an extension of an organization's internal security team.

For MSSPs, robust security means selecting top-tier EDR solutions, advanced allowlisting technologies, and comprehensive threat intelligence platforms. They require tools that can offer 100% detection and protection scores with zero false positives, as demonstrated by CrowdStrike in MITRE evaluations, to ensure their clients are as secure as possible. The ability to manage and respond to complex threats efficiently is paramount. MSSPs are often engaged to handle the most challenging security problems, and their effectiveness directly depends on the quality and reliability of the security solutions they deploy. This specialized focus demands a higher standard of security tools and operational excellence, ensuring they can deliver on their promise of expert cybersecurity protection.

Protecting Clients from Evolving Threats

Both MSPs and MSSPs face the constant challenge of protecting their clients from an ever-evolving threat landscape. Cybercriminals are continually developing new tactics and tools, making it imperative for service providers to stay ahead of these threats. Robust security solutions, including advanced EDR and allowlisting, are critical for this ongoing battle. These tools help prevent breaches, detect sophisticated attacks, and enable rapid response to minimize damage. Managed Endpoint Detection & Response (EDR) Solutions are a key component of this, providing the visibility and control needed to protect endpoints effectively Managed Endpoint Detection & Response (EDR) Solutions.

The consequences of a security breach for an MSP's or MSSP's client can be severe, ranging from financial losses and regulatory fines to reputational damage and loss of customer trust. A single breach can undermine years of effort in building a client relationship. Therefore, investing in and expertly managing robust security tools is not just a technical requirement but a strategic business decision for these providers. It ensures they can fulfill their duty of care to clients, maintain their own market credibility, and contribute to a safer digital environment for businesses of all sizes. The demand for strong security is only growing, making the selection and implementation of effective security solutions a cornerstone of MSP and MSSP operations.

What About Cloud and Identity Security Capabilities?

In today's interconnected business environment, security extends far beyond traditional endpoints. Cloud environments and identity management have become critical attack vectors, demanding specialized security capabilities within comprehensive platforms. As organizations migrate more workloads and data to the cloud, and as user identities become the new perimeter, the ability of security solutions to protect these areas is paramount. When considering an allowlisting solution, it's essential to understand how it integrates with or complements the cloud and identity security features offered by leading EDR platforms like SentinelOne and CrowdStrike.

SentinelOne's Integrated Cloud Security

SentinelOne’s Singularity Platform is designed with integrated cloud security modules to address the unique challenges of cloud environments. The platform includes Singularity Cloud Security, which is built to block attacks with an AI-Powered Cloud Native Application Protection Platform (CNAPP). This comprehensive approach aims to secure cloud and development resources, providing real-time protection for cloud workloads. SentinelOne offers Singularity Cloud Data Security, which uses AI-powered threat detection for cloud storage, and Singularity Cloud Security Posture Management (CSPM) to detect and remediate cloud misconfigurations. These capabilities are crucial for organizations operating in hybrid or multi-cloud environments, where misconfigurations and unpatched vulnerabilities can easily be exploited.

The integration of these cloud security features within a unified platform means that organizations can manage their cloud security posture alongside their endpoint security, benefiting from a consistent security policy and centralized visibility. For an allowlisting solution like Threatlocker, this means that while it handles what applications can run on an endpoint, SentinelOne's cloud security modules would protect the cloud resources where those applications might store data or interact with other services. This layered approach ensures that security controls are applied consistently across the entire IT estate, from endpoints to cloud infrastructure, addressing vulnerabilities and threats specific to each environment.

CrowdStrike's Unified Platform Approach

CrowdStrike also emphasizes its unified platform, which integrates cloud security modules to provide comprehensive protection. CrowdStrike's platform is designed to offer a holistic view of an organization's security posture, including cloud security. It integrates modules such as Application Security Posture Management (ASPM) and Data Security Posture Management (DSPM). These modules are critical for identifying and remediating security gaps in cloud applications and data storage, ensuring that adversaries do not find unmonitored entry points. The concept of a "unified platform" means that endpoint, cloud, and identity security are not disparate tools but rather interconnected components that share threat intelligence and operational data, providing a more cohesive defense.

CrowdStrike highlights that its unified platform is not composed of "scattered tools" but rather a cohesive system. This integration helps to eliminate security gaps that could arise from using disconnected point products, which might leave blind spots for adversaries. For example, if an allowlisted application on an endpoint interacts with a cloud service, CrowdStrike's integrated cloud security can monitor that interaction for anomalous behavior or policy violations. This means that even if the endpoint is secure, the entire transaction path, including the cloud component, is under surveillance, providing end-to-end security visibility and control.

Identity Threat Detection and Response

Beyond cloud security, identity security has become a cornerstone of modern cybersecurity. With the rise of credential-based attacks and identity theft, protecting user accounts and access privileges is as important as securing endpoints and cloud infrastructure. Both SentinelOne and CrowdStrike offer advanced capabilities in this area. SentinelOne provides Singularity Identity, a module focused on Identity Threat Detection and Response (ITDR). This module is designed to detect and respond to threats that target user identities, such as credential stuffing, brute-force attacks, and privilege escalation attempts.

CrowdStrike also notes its identity security module uses behavioral baselining needed to catch credential abuse. This approach involves analyzing typical user behavior to identify deviations that might indicate a compromised account or an insider threat. By establishing a baseline of normal activity, the system can flag unusual logins, access attempts to sensitive data, or unauthorized changes in privileges. For an allowlisting solution, while it prevents unauthorized applications from running, it doesn't directly address identity-based attacks. Therefore, the robust identity security features of EDR platforms are crucial to complement allowlisting, ensuring that even if an allowed application is used by a compromised identity, the threat can still be detected and neutralized. The integration of these advanced cloud and identity security capabilities within a broader EDR platform ensures a comprehensive defense against the multifaceted threats facing modern enterprises.

Frequently Asked Questions

What is the main benefit of application allowlisting?

The main benefit of application allowlisting is its proactive approach to security, which prevents unauthorized and potentially malicious software from running on a system. Unlike traditional antivirus that blocks known threats, allowlisting permits only explicitly approved applications, effectively stopping unknown threats and zero-day attacks before they can execute. This significantly reduces the attack surface and enhances the overall security posture.

How do CrowdStrike and SentinelOne compare in terms of threat detection?

CrowdStrike and SentinelOne show significant differences in threat detection performance. In MITRE Engenuity tests, CrowdStrike achieved 100% detection and protection scores with zero false positives. In contrast, SentinelOne recorded a 50% protection score and 7 false positives in the same tests, indicating a lower detection efficacy and a higher rate of unnecessary alerts.

Which EDR solution is easier to manage and deploy?

CrowdStrike generally highlights its ease of management and deployment. Its single, lightweight agent installs in minutes to hundreds of thousands of endpoints, and its automated update process eliminates operational workload. SentinelOne, however, has been described as harder to deploy and manage, with a heavy agent that can impact endpoint performance and requires manual updates and exclusions.

What role do MSPs and MSSPs play in cybersecurity?

MSPs (Managed Service Providers) offer a range of IT services, including security, while MSSPs (Managed Security Service Providers) specialize exclusively in cybersecurity. Both types of providers are critical for protecting client IT environments from evolving threats. They leverage robust EDR and allowlisting tools to provide services like threat detection, incident response, and vulnerability management, with MSSPs offering more specialized and in-depth security expertise.

Does SentinelOne or CrowdStrike offer better cloud security integration?

Both SentinelOne and CrowdStrike offer strong cloud security integration within their platforms. SentinelOne provides Singularity Cloud Security with an AI-Powered CNAPP, focusing on real-time workload protection and cloud data security. CrowdStrike emphasizes its unified platform, integrating cloud security modules like ASPM and DSPM to detect and remediate cloud misconfigurations and ensure comprehensive protection across endpoint, cloud, and identity layers.