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Adversarial Simulation Defence

 Adversary simulation that cuts detection time from weeks to minutes, even against the most sophisticated attackers.

The Chaleit Difference

Dynamic simulation fueled by your tacit knowledge

Standard simulations follow a script. We follow the logic of an attacker — and in environments where systems, users, and access paths are constantly changing, that logic evolves in real time. 

By blending our offensive expertise with your internal context, we move beyond "find and report" to uncover the critical failures that generic tests miss. 

We treat every engagement as a rehearsal, building the experience, closing the gaps, and elevating your team’s ability to handle threats.

Real attack paths

We simulate realistic adversary behaviour to test how attackers move through your environment as it changes, and whether critical assets are effectively protected and monitored.

Threat-informed scenarios

Simulations are shaped by your exposure profile and relevant attacker techniques, not generic attack scripts.

Controls validation

We test whether specific controls — EDR, identity, monitoring, email security — perform as intended under real attack conditions.

Structured uplift

Through iterative simulation and refinement, your SOC strengthens detection logic, response coordination, and operational confidence.

From exposure to response

Context-driven testing that secures mature environments

Security investments only create value when they detect and respond to real-world attack activity.

Adversary simulation connects exposure intelligence, targeted attack techniques, and control validation into a structured engagement that strengthens detection quality and response effectiveness over time.

adversary simulation

Complete coverage, from attack to validation

The Toolbox

Beyond surface-level testing

APT simulation
Zero trust
Crown jewels

We mirror sophisticated attack groups' tactics to penetrate your defences and reach critical assets. By integrating your team's internal insights with our offensive engineering, we uncover the systemic risks and logic flaws that standard red teams miss.

red team

SOC uplift through collaboration

Live defence
Agentic AI prep
SOC training

Not all purple teams are equal. We provide a path to resilience by helping your team practice against threats, tuning controls in real time to prevent skill decay and prepare for attacker behaviour that increasingly includes interaction with AI-driven and semi-autonomous systems.

purple team

Targeted control effectiveness

Targeted testing
Real assurance
ROI check

Validate specific controls such as EDR, identity, and monitoring systems under defined attack techniques, measuring detection performance and configuration gaps.

controls validation

Threat intelligence as a capability

Attack surface
Exploit relevance
Credential exposure

We enhance, uplift, and augment your thinking by taking the burden off your team and complementing existing tool stacks. By finding the dark web credentials and supply chain exposures that standard software services fail to flag, we inform simulation scenarios and ensure testing reflects your actual exposure.

threat intelligence

Proven Results

What happens when attackers meet their match

Through systematic adversary simulation and training, we transform your defence capabilities. Here's what our clients have achieved.

min

Average time to detect and respond

%

Attack detection rate after training

mo

Improvements sustained and verified

%

Reduction in undetected threats

The Stories

When security training pays off. Discover how our clients get stronger.

They're now actively engaged, brainstorming potential projects for us to evaluate. This demonstrates the trust we've built.Chaleit VP of Technical Services

From security gaps to complete coverage

When a leading US manufacturer needed to understand their true attack surface, we went beyond standard tools. Through comprehensive asset discovery and analysis, we transformed their security posture from limited visibility to complete awareness across their global operations. We gave them the tools to carry on.

Results

500 assetsComprehensive discovery of previously unknown attack surface
1 weekComplete transformation from zero visibility to full awareness
400/500Successfully assessed assets using a new prioritisation framework
Now, they're hyper-vigilant, with rapid detection and response times. They act on every suspicious activity, even before it triggers an alert.Chaleit VP of Technical Services

Purple team transforms detection to excellence

An energy company's multi-million dollar SOC investment wasn't delivering expected protection until a multi-year partnership transformed detection capabilities. Through innovative purple teaming exercises and systematic improvements, we evolved their security from missing basic attacks to detecting and responding to threats within minutes.

Results

Minutes vs 10+ daysReduced attack detection time from days to near real-time response
Zero to 100% detectionAdvanced from missing basic attacks to catching sophisticated threats
4 simultaneous attacksEvolved from missing concurrent attacks to full correlation
A single misconfiguration led to complete access, proving that even well-protected environments can have critical blind spots.Chaleit VP of Technical Services

Million-dollar security falls to red team

When a leading technology company with over 10,000 employees wanted to validate their security controls, the request specifically excluded phishing to focus on technical infrastructure. Through sophisticated API analysis and persistence techniques, our red team uncovered critical gaps in their multi-million dollar security investment, leading to enterprise-wide improvements.

Results

8 days undetectedMaintained persistent access without triggering security alerts
10GB data exfiltratedExported sensitive data with zero detection (with client approval)
Zero initial detectionAdvanced tactics bypassed multi-million dollar security controls
adversarial simulation
purple teaming exercise case study
Red team exercise case study

Meet your cyber partners

Friendly faces, fierce defenders.

India

Balaji Gopal

Cyber security expert and leader of Chaleit's red & purple teams. Former Black Hat speaker with proven offensive & defensive capabilities.

New Zealand

Shyam Kumar

Former Black Hat trainer specialising in offensive testing services and social engineering, with a wider focus on cyber security frameworks, governance and compliance.

Australia

Dan Haagman

Founder and CEO of Chaleit with prior experience as co-founder of multiple renowned cyber security firms, Dan is driven by an entrepreneurial spirit and a strong commitment to client satisfaction.

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