The False Positive Problem
Traditional vulnerability scanners generate thousands of findings. But how many are actually exploitable in your specific environment? Research consistently shows that less than 5% of reported vulnerabilities are ever exploited in the wild, and the average scanner produces a false positive rate of 20-40% depending on the scan type and target. Security teams waste thousands of hours each year triaging findings that pose no real threat.
Breach and attack simulation (BAS) solves this problem by proving — not predicting — what an attacker can actually exploit. It is the validation layer that transforms vulnerability data into actionable security intelligence.
What Is Breach and Attack Simulation?
BAS security tools emulate real attacker techniques — based on frameworks like MITRE ATT&CK — to test whether vulnerabilities can actually be exploited in your environment. Unlike manual penetration testing, breach and attack simulation is automated, continuous, and safe for production systems. It runs the same techniques adversaries use, but in a controlled manner that validates risk without causing damage.
BAS is Phase 4 (Validation) of Gartner’s CTEM framework. Without validation, prioritization is just theory. With BAS, you transform probability-based risk scores into confirmed exploitation paths that demand immediate action.
How BAS Validates Findings
Step 1: Identify Critical Findings
BAS focuses on high-risk findings from vulnerability scans — those with high CVSS scores, active exploitation in the wild (CISA KEV), or high EPSS probability. This targeting ensures automated penetration testing effort is spent on the findings most likely to matter.
Step 2: Emulate Attack Techniques with MITRE ATT&CK
Using 50+ MITRE ATT&CK techniques across multiple tactic categories, BAS attempts to exploit findings in a controlled manner. The technique categories covered include:
- Initial Access (TA0001) — testing phishing payload delivery, exploiting public-facing applications, and valid account abuse
- Execution (TA0002) — command injection, script execution, and exploitation for client execution
- Privilege Escalation (TA0004) — exploiting misconfigurations, token manipulation, and sudo abuse
- Lateral Movement (TA0008) — pass-the-hash, remote service exploitation, and internal pivoting
- Defense Evasion (TA0005) — testing whether WAF, IDS, and EDR controls detect and block simulated attacks
- Credential Access (TA0006) — brute-force, credential dumping, and authentication bypass testing
This structured approach to security validation ensures coverage across the full attack lifecycle, not just individual vulnerabilities.
Step 3: Confirm or Dismiss
Findings that are successfully exploited are confirmed as validated threats with full evidence chains — proof that the vulnerability is reachable, exploitable, and impactful. Those that fail (due to compensating controls, network segmentation, or other defenses) are downgraded — freeing your team to focus on what matters.
This confirmation step is what reduces false positive noise by up to 80%, turning a list of thousands of scanner findings into a prioritized set of dozens that require immediate attention.
BAS vs Penetration Testing
Both breach and attack simulation and penetration testing aim to find exploitable weaknesses, but they serve different purposes and operate at different cadences.
| Dimension | Penetration Testing | BAS Security |
|---|---|---|
| Frequency | Annual or quarterly | Continuous, on every scan cycle |
| Automation | Primarily manual | Fully automated |
| Scope | Narrow, time-boxed engagement | Broad, covers all discovered assets |
| Consistency | Varies by tester skill | Repeatable, deterministic results |
| Production safety | Risk of disruption | Designed for production environments |
| Cost | $15,000-$100,000+ per engagement | Included in platform subscription |
| Time to results | Weeks | Minutes to hours |
| Coverage | Point-in-time snapshot | Continuous validation |
Penetration testing remains valuable for deep-dive assessments, red team exercises, and compliance requirements that mandate human-led testing. But for continuous security validation — the kind that catches new exposures within hours, not months — automated penetration testing through BAS is the only practical approach.
Organizations with mature security programs use both: annual pentests for depth, and continuous BAS for breadth and speed.
Key Benefits of Breach and Attack Simulation
- Eliminate false positives — only remediate what is truly exploitable, reducing remediation workload by up to 80%
- Validate security controls — prove your WAF, IDS, EDR, and network segmentation actually block real attack techniques
- Continuous assurance — do not wait for the next pentest to know your risk posture; validate after every change
- Executive-ready evidence — show the board exactly what attackers can and cannot do, with proof
- Faster mean time to remediate — validated findings with exploitation evidence get prioritized and fixed faster than unverified scanner output
- Compliance alignment — satisfy control validation requirements for SOC 2, ISO 27001, PCI DSS, and DORA with continuous automated testing
Automate Security Validation with VirtueThreatX
VirtueThreatX integrates breach and attack simulation directly into the continuous scanning workflow. When a critical vulnerability is discovered through attack surface management, BAS validation is automatically triggered to confirm exploitability using MITRE ATT&CK techniques. No manual intervention, no waiting for the next pentest cycle.
The result: your team remediates confirmed threats, not scanner noise.
Start your free trial to see automated penetration testing and BAS security in action, or schedule a demo to walk through validation results with our team.