🧪 BAS (Breach and Attack Simulation)

We reproduce real attack scenarios to measure, with numbers, how well your defenses work. Ongoing verification based on the MITRE ATT&CK framework strengthens your cyber resilience.

What is BAS?

BAS (Breach and Attack Simulation) safely reproduces attacker techniques to measure, on an ongoing basis and in numbers, how well your defenses work.

A penetration test is a one-off, focused evaluation. BAS automatically runs hundreds or even thousands of scenarios based on the MITRE ATT&CK framework and checks in real time whether your defensive tools (EDR, SIEM, SOC) actually detect and block the attacks.

It is ideal for organizations that are not sure their security products really work, or that want an objective evaluation of their SOC’s detection capabilities.

Who is it for?
  • ✦You have deployed EDR or XDR but worry about missed detections
  • ✦You want to check the effectiveness of your SOC and security monitoring on a regular basis
  • ✦You want to check the coverage of your defenses from a different angle than penetration testing
  • ✦You want to measure how well you can withstand ransomware and APT attacks
  • ✦You want to show management the return on investment (ROI) of your security spending

What BAS gives you

🛡️

Safe, non-destructive simulation

Hundreds of attack techniques run without stopping your systems, keeping the impact on production to a minimum.

📈

Visible EDR and SOC detection rates

For each scenario, we check whether your EDR, SIEM and SOC detected, blocked or raised an alert, and score the result to reveal blind spots.

📋

Automatic reports and recommendations

Defense score, detection gaps and improvement priorities, with an executive summary for management and a detailed report for technical teams.

⏱️

Real-time verification

Real-time tracking of scenario execution and detection results, which is also useful for training your security team.

🔗

Orchestrated attacks

Multi-step scenarios that reproduce every phase of an APT attack: reconnaissance, initial access, lateral movement, data theft and C2 communication.

🔄

Continuous improvement cycle

Regular simulations to track the effect of improvements and the maturity of your security.

Vulnerability assessment, penetration test or BAS?

CriterionVulnerability assessmentPenetration testBAS
Frequency1 to 2 times a year1 to 2 times a yearContinuous (monthly or weekly)
GoalFind vulnerabilitiesShow that an intrusion is possibleMeasure how well defenses work
AutomationPartialMostly manualHighly automated
TargetApplications and infrastructureTargeted systemsEDR, SIEM, SOC, firewalls
DeliverablesVulnerability listEvidence of intrusion, impact simulationDefense score, gap report
Impact on productionLow to mediumLow to mediumMinimal (non-destructive)

How a BAS engagement runs

1

Interview on your environment and goals

We review your security tools (EDR, SIEM, SOC, etc.) and your evaluation goals, then design suitable scenarios.

2

BAS agent setup

We install agents in the environment under evaluation, with safe settings that keep the impact on production to a minimum.

3

Scenario execution

Scenarios based on MITRE ATT&CK run automatically, and detection and blocking are recorded in real time.

4

Defense score and report

Defense success rate by technique, detection gaps and improvement priorities, in a two-level report for management and technical teams.

5

Improvements and continuous evaluation

We tune EDR rules and SIEM alerts based on the report, then evaluate again to check the effect of the changes.

Frequently asked questions

They have different goals, which is why combining them works best. A penetration test shows that an intrusion is possible; BAS checks on an ongoing basis that your defensive tools detect attacks. We recommend first identifying intrusion paths with a penetration test, then regularly evaluating the coverage of your defenses with BAS.
BAS relies on non-destructive simulations. It does not use real malware; it imitates its behavior, which keeps the impact on production to a minimum.
Major EDR products (CrowdStrike, Defender, SentinelOne, etc.), SIEM and SOC platforms. We tailor the simulation design to your environment.

Let’s talk about BAS

Start with a free consultation. We work under a signed non-disclosure agreement.