Top 10 Best Breach and Attack Simulation (BAS) Tools in 2025

In 2025, the cybersecurity landscape is defined by its complexity and the speed of modern threats.

Security teams are overwhelmed by a fragmented array of security controls and a lack of clear visibility into what’s actually working.

Breach and Attack Simulation (BAS) platforms solve this problem by continuously and safely validating security defenses against real-world attack scenarios.

These tools automate the process of a manual penetration test or red team exercise, providing security teams with data-driven insights to proactively identify and remediate weaknesses before they can be exploited by an adversary.

Why We Choose Breach and Attack Simulation (BAS)

Traditional security validation methods, such as manual penetration testing, are often slow, expensive, and provide only a point-in-time snapshot of an organization’s security posture.

BAS platforms, on the other hand, offer continuous security validation at scale.

By simulating a wide range of attack techniques and kill chains from initial access to data exfiltration BAS tools can automatically assess the effectiveness of an organization’s security controls, prioritize the most critical risks, and provide clear remediation guidance.

This is crucial for maintaining a proactive and resilient security posture in a world of constant change.

How We Choose Best Breach and Attack Simulation (BAS) Companies

To compile this list of the top BAS companies, we evaluated them based on the following criteria:

Experience & Expertise (E-E): We focused on companies with a strong track record, a deep understanding of attacker methodologies, and a continuous flow of new, relevant attack scenarios.

Authoritativeness & Trustworthiness (A-T): We considered market leadership, industry recognition from firms like Gartner and Forrester, and their ability to provide accurate and actionable insights.

Feature-Richness: We assessed the breadth and depth of their platforms, looking for core capabilities in:

Continuous Validation: The ability to run automated tests on an ongoing basis.

Threat Intelligence Integration: The capacity to integrate with the latest real-world threat intelligence.

Remediation Guidance: Providing clear, prioritized steps to fix identified vulnerabilities.

MITRE ATT&CK Alignment: Mapping attack simulations directly to the industry-standard MITRE ATT&CK framework.

Comparison Of Key Features (2025)

Company	Continuous Validation	Threat Intelligence	Remediation Guidance	MITRE ATT&CK Alignment
Cymulate	✅ Yes	✅ Yes	✅ Yes	✅ Yes
AttackIQ	✅ Yes	✅ Yes	✅ Yes	✅ Yes
SafeBreach	✅ Yes	✅ Yes	✅ Yes	✅ Yes
Picus Security	✅ Yes	✅ Yes	✅ Yes	✅ Yes
XM Cyber	✅ Yes	✅ Yes	✅ Yes	✅ Yes
Scythe	✅ Yes	❌ No	✅ Yes	✅ Yes
Randori	✅ Yes	✅ Yes	✅ Yes	✅ Yes
FireCompass	✅ Yes	✅ Yes	✅ Yes	✅ Yes
Cronus Cyber	✅ Yes	✅ Yes	✅ Yes	✅ Yes
Verodin	✅ Yes	✅ Yes	✅ Yes	✅ Yes

1. Cymulate

breach and attack simulation — **Cymulate**

Cymulate is a leading BAS platform that provides a wide range of automated attack simulations to validate security controls across the entire kill chain.

The platform offers a modular approach, allowing organizations to test everything from phishing and web gateway security to lateral movement and data exfiltration.

Cymulate’s focus on providing a clear security score and actionable reports helps businesses quickly understand their risk posture and prioritize remediation efforts.

Why You Want to Buy It:

Cymulate’s platform is highly scalable and provides a clear, data-driven security score that is easy for both technical and non-technical stakeholders to understand.

Its modular design allows organizations to start with specific assessments and expand as needed.

Feature	Yes/No	Specification
Continuous Validation	✅ Yes	Automated assessments for all attack vectors.
Threat Intelligence	✅ Yes	Emulates the latest attacks based on threat intelligence.
Remediation Guidance	✅ Yes	Actionable recommendations for security control tuning.
MITRE ATT&CK	✅ Yes	Maps all simulation results to the ATT&CK framework.

✅ Best For: Companies of all sizes that need a comprehensive, easy-to-use BAS platform to continuously assess their security posture and measure the effectiveness of their security investments.

Try Cymulate here → Cymulate Official Website

2. AttackIQ

AttackIQ is an enterprise-grade BAS platform that offers a powerful and flexible security validation solution.

It is known for its extensive MITRE ATT&CK-aligned content library, which provides security teams with thousands of realistic attack scenarios.

AttackIQ’s open platform and integrations with a wide range of security vendors make it a cornerstone for organizations that want to build a data-driven security program and measure the ROI of their security tools.

Why You Want to Buy It:

AttackIQ’s platform is built on the industry-standard MITRE ATT&CK framework, providing a common language for security validation.

Its open architecture and extensive content library make it a powerful tool for building a proactive, data-driven security program.

Feature	Yes/No	Specification
Continuous Validation	✅ Yes	Continuous testing of security controls.
Threat Intelligence	✅ Yes	Emulates attacks based on the latest intelligence.
Remediation Guidance	✅ Yes	Provides step-by-step guidance to fix security gaps.
MITRE ATT&CK	✅ Yes	Extensive content library aligned with the ATT&CK framework.

✅ Best For: Large enterprises and government agencies that need a highly customizable and data-driven platform to continuously validate their security controls and measure the effectiveness of their defenses.

Try AttackIQ here → AttackIQ Official Website

3. SafeBreach

SafeBreach provides a Breach and Attack Simulation platform that creates a “digital twin” of an organization’s security environment.

By deploying lightweight simulators across the network, SafeBreach can run continuous, non-disruptive simulations to test security controls in a realistic way.

The platform’s extensive “Hacker’s Playbook” library, which contains thousands of attack scenarios, ensures that organizations are always testing against the latest threats.

Why You Want to Buy It:

SafeBreach’s “digital twin” approach provides a highly realistic and comprehensive view of an organization’s security posture.

The platform’s ability to simulate attacks across the entire kill chain helps security teams prioritize the most critical risks and understand the true impact of a breach.

Feature	Yes/No	Specification
Continuous Validation	✅ Yes	Continuous, non-disruptive simulations.
Threat Intelligence	✅ Yes	“Hacker’s Playbook” with thousands of attack scenarios.
Remediation Guidance	✅ Yes	Actionable recommendations for security control tuning.
MITRE ATT&CK	✅ Yes	Maps all attack scenarios to the ATT&CK framework.

✅ Best For: Security teams that want to continuously test their defenses against a wide range of attacks and see how vulnerabilities can be chained together to create a kill chain.

Try SafeBreach here → SafeBreach Official Website

4. Picus Security

Picus Security is a leading BAS platform that provides a data-driven approach to security validation.

Its platform, the Picus Complete Security Validation Platform, continuously and automatically tests security controls against a vast library of real-world threats.

Picus is particularly strong in providing vendor-specific remediation guidance, helping security teams quickly tune their security tools to maximize their effectiveness.

Why You Want to Buy It:

Picus’s focus on providing vendor-specific recommendations is a major differentiator.

It helps security teams get the most out of their existing security investments by providing a clear and automated path to remediation.

Feature	Yes/No	Specification
Continuous Validation	✅ Yes	Continuous, automated security validation.
Threat Intelligence	✅ Yes	A vast library of real-world threats.
Remediation Guidance	✅ Yes	Vendor-specific recommendations for tuning security controls.
MITRE ATT&CK	✅ Yes	Full mapping to the ATT&CK framework.

✅ Best For: Security teams that need to measure the effectiveness of their security products in real-time and want clear, vendor-specific guidance on how to improve their defenses.

Try Picus Security here → Picus Security Official Website

5. XM Cyber

continuous security validation — **XM Cyber**

XM Cyber provides a BAS platform that focuses on attack path management.

Its platform automatically identifies and prioritizes the most critical attack paths, helping security teams understand how an attacker could move through their network.

XM Cyber’s focus on attack paths, rather than just individual vulnerabilities, provides a more strategic and effective way to reduce risk and improve an organization’s security posture.

Why You Want to Buy It:

XM Cyber’s platform provides a unique, graph-based view of an organization’s security posture.

By identifying and prioritizing attack paths, it helps security teams focus their limited resources on the weaknesses that matter most.

Feature	Yes/No	Specification
Continuous Validation	✅ Yes	Continuous attack path analysis.
Threat Intelligence	✅ Yes	Emulates the latest attack techniques.
Remediation Guidance	✅ Yes	Provides prioritized guidance to break attack paths.
MITRE ATT&CK	✅ Yes	Maps attack paths to the ATT&CK framework.

✅ Best For: Security teams that want to move beyond individual vulnerabilities and focus on the most likely attack paths an adversary would take to compromise their network.

Try XM Cyber here → XM Cyber Official Website

6. Scythe

Scythe is an adversary emulation platform that empowers red teams and security professionals to conduct realistic, purple team exercises.

Unlike fully automated BAS platforms, Scythe focuses on providing a flexible and powerful toolkit for simulating sophisticated attacks.

Its platform allows security teams to build custom attack campaigns, test specific TTPs (Tactics, Techniques, and Procedures), and validate their security controls in a controlled environment.

Why You Want to Buy It:

Scythe provides a powerful toolkit for security professionals who want to go beyond pre-built simulations.

Its flexibility allows teams to simulate highly specific attack scenarios and validate their defenses against the most sophisticated threats.

Feature	Yes/No	Specification
Continuous Validation	✅ Yes	Continuous, on-demand testing.
Threat Intelligence	❌ No	Focus is on custom attack scenarios.
Remediation Guidance	✅ Yes	Provides clear, technical guidance for remediation.
MITRE ATT&CK	✅ Yes	A vast library of ATT&CK techniques.

✅ Best For: Advanced security teams, red teams, and MSSPs that need a flexible and powerful platform to conduct realistic, tailored attack simulations.

Try Scythe here → Scythe Official Website

7. Randori (IBM Security Randori Recon)

Randori, now part of IBM Security, offers a unique approach to BAS and attack surface management.

Its platform combines continuous discovery with automated attack simulations, providing a hacker’s-eye view of an organization’s external attack surface.

Randori’s technology safely probes an organization’s external assets, identifying weaknesses and providing a prioritized list of vulnerabilities that are most likely to be targeted by a real attacker.

Why You Want to Buy It:

Randori’s platform provides a unique, outside-in perspective on an organization’s security posture.

By continuously probing the external attack surface, it helps security teams discover and remediate vulnerabilities before they are found by an adversary.

Feature	Yes/No	Specification
Continuous Validation	✅ Yes	Continuous probing and attack simulation.
Threat Intelligence	✅ Yes	Provides a hacker’s-eye view of the attack surface.
Remediation Guidance	✅ Yes	Prioritized list of vulnerabilities to remediate.
MITRE ATT&CK	✅ Yes	Maps attack simulations to the ATT&CK framework.

✅ Best For: Security teams that want to get a hacker’s-eye view of their external attack surface and continuously validate their defenses against real-world threats.

Try Randori here → IBM Security Randori Recon Official Website

8. FireCompass

FireCompass provides a continuous automated red teaming and attack surface management platform.

Its technology continuously discovers an organization’s digital footprint and launches automated, ethical hacking attacks to find exploitable vulnerabilities.

FireCompass’s platform is designed to provide a continuous, proactive approach to security, helping organizations find and fix weaknesses before they are leveraged by a real attacker.

Why You Want to Buy It:

FireCompass provides a single platform for both attack surface management and automated red teaming.

This integrated approach ensures that organizations can continuously discover and remediate their most critical vulnerabilities, providing a proactive and resilient security posture.

Feature	Yes/No	Specification
Continuous Validation	✅ Yes	Continuous automated red teaming.
Threat Intelligence	✅ Yes	Uses real-world attack techniques.
Remediation Guidance	✅ Yes	Provides clear, prioritized remediation advice.
MITRE ATT&CK	✅ Yes	Maps attack scenarios to the ATT&CK framework.

✅ Best For: Companies that need to continuously discover their digital footprint and validate their security controls against real-world attack scenarios.

Try FireCompass here → FireCompass Official Website

9. Cronus

Cronus Cyber Technologies offers an automated penetration testing platform that focuses on identifying vulnerabilities in an organization’s network, applications, and cloud environments.

Its platform, CyBot, provides a continuous, automated approach to security validation, helping organizations identify and remediate weaknesses before they can be exploited.

Cronus’s focus on automated testing makes it a scalable and cost-effective solution for a wide range of organizations.

Why You Want to Buy It:

Cronus Cyber’s platform provides a highly automated and efficient way to conduct penetration tests.

Its focus on continuous testing ensures that organizations can quickly identify and remediate vulnerabilities, improving their overall security posture.

Feature	Yes/No	Specification
Continuous Validation	✅ Yes	Continuous, automated penetration testing.
Threat Intelligence	✅ Yes	Emulates a wide range of attack scenarios.
Remediation Guidance	✅ Yes	Provides clear, actionable remediation guidance.
MITRE ATT&CK	✅ Yes	Maps all findings to the ATT&CK framework.

✅ Best For: Organizations that need a scalable, automated penetration testing platform to continuously test their network and applications for vulnerabilities.

Try Cronus Cyber Technologies here → Cronus Cyber Technologies Official Website

10. Verodin

real-world attack scenarios — **Verodin**

Verodin, now part of Keysight, is a foundational player in the BAS space, known for its focus on providing a data-driven approach to security validation.

The Keysight Security Operations Platform (which includes Verodin technology) is designed to help security teams understand the true effectiveness of their security controls.

By simulating attacks and measuring the outcomes, Verodin provides a clear, objective view of an organization’s security posture and helps justify security investments.

Why You Want to Buy It:

Verodin’s platform provides a clear, objective view of an organization’s security posture.

By measuring the effectiveness of security controls, it helps security teams make data-driven decisions and demonstrate the ROI of their security investments.

Feature	Yes/No	Specification
Continuous Validation	✅ Yes	Continuous, automated security validation.
Threat Intelligence	✅ Yes	Integrates with the latest threat intelligence.
Remediation Guidance	✅ Yes	Provides clear, prioritized guidance.
MITRE ATT&CK	✅ Yes	Maps all findings to the ATT&CK framework.

✅ Best For: Large enterprises that need a data-driven platform to measure the effectiveness of their security controls and justify their security investments.

Try Verodin here → Verodin Official Website

Conclusion

In 2025, Breach and Attack Simulation (BAS) platforms are indispensable for any organization serious about proactive cybersecurity.

They provide a vital layer of continuous validation that goes far beyond traditional, point-in-time assessments. The top companies on this list each offer unique strengths.

Cymulate, AttackIQ, and SafeBreach lead with comprehensive, scalable platforms for a wide range of needs. XM Cyber and Randori stand out for their focus on a hacker’s-eye view, prioritizing attack paths and external threats.

For organizations that need a highly technical and customizable tool, Scythe provides an ideal solution.

Ultimately, the best BAS platform for your organization will depend on its size, security maturity, and specific goals, but any of these top 10 choices will significantly improve your ability to identify and remediate weaknesses before a real attacker can exploit them.