
WorkNest Secure
Threat-Led Testing
An intelligence-driven attack simulation designed around your organisation’s unique threat landscape and security posture.
We utilise sector-specific threat intelligence to replicate adversary tactics most likely to target you, creating realistic scenarios. Success and failure conditions are clearly defined, with multiple threat scenarios developed to test your resilience against varied adversarial behaviours.
Each engagement is relevant, evidence-based, and delivers measurable insights into your organisation’s resilience.

Why WorkNest Secure for Attack Simulation?
Informed by research into active and emerging threats relevant to your sector, with this engagement, we use a structured, phase-based approach to pursue predefined objectives around critical assets.
It provides the strategic value of a threat-led assessment with flexible delivery options.
CREST Accredited
Validating the quality of our testing methodologies and ethical standards.
Expert Team
Our seasoned red team personnel bring years of adversarial expertise and insight to every engagement.
Tailored Engagements
Every engagement is designed around your unique threat profile, business priorities and security maturity.
Regulated Experience
Proven experience delivering TIBER-EU and DORA-aligned assessments across financial, retail, media, and CNI sectors.
Complete Transparency
Clear communication throughout engagements with ongoing updates and post-exercise walk-throughs.
Post-Engagement Support
We help you interpret results, prioritise remediation, and strengthen your defences with actionable guidance.
































What to Expect
Threat-led testing provides a realistic view of how targeted adversaries may operate against your organisation, revealing defensive gaps and offering clear, actionable steps to strengthen resilience.
Key Features
Threat intelligence-driven scenarios
Industry-aligned methodologies
Specific threat actor simulation
Clear success/failure criteria
Outcomes
Threat-specific defence evaluation
Compliance requirements fulfilment
Detailed scenario analysis
Strategic defence recommendations
Threat intelligence insights
Our process
We follow regulated frameworks such as TIBER EU and DORA, ensuring compliance with methodology, governance and documentation standards.
For organisations outside formal regulation, we apply the CREST STAR methodology, mirroring regulated practices while allowing flexibility in scope and delivery.
Each engagement will differ depending on factors such as your goals, the scope and the framework, but will typically look something like this:
We coordinate with your internal control group to define engagement scope, critical assets/functions, and test objectives for targeted, safe testing aligned with operational priorities and regulations.
Our threat intelligence partners analyse your organisation, industry, and threat landscape to identify likely attack vectors and threat actors.
The team develops scenarios based on threat intelligence, focusing on likely compromise paths, considering architecture, user behaviour, and defensive posture.
The team executes covert scenarios using manual tradecraft, custom tools, and commercial frameworks. Techniques include social engineering, endpoint compromise, lateral movement, persistence, and exfiltration.
Reports include technical and strategic findings, threat intelligence, engagement timeline, detection/response observations, exploited vulnerabilities, attack paths, and remediation guidance.
Why Teams Love Us
From robust threat defence to dependable regulatory assurance, our cyber-security service helps organisations stay resilient, safeguard their data, and concentrate on what truly drives their success.
“I’ve taken WorkNest into every organisation that I’ve worked with. I’ve introduced them to many teams and many colleagues and referred them with absolute pleasure because I genuinely trust in the service that we get.”
Joanne Beaver
Operations Director, Beaverfit

"We’ve always been very impressed with the cyber security services WorkNest provide us. Their professional approach, knowledge and flexibility have ensured they have become a key trusted partner in our supply chain."
Nick Fryer
Paymentsense - Europe largest merchant service provider, CTO

“We moved our legal support to WorkNest having previously used a time and line law firm. It was important, though, that an all-inclusive fee structure did not come at the expense of quality. Thankfully we’ve been delighted with the service we’ve received from WorkNest"
Chief Executive
Waverley Care

"WorkNest supported us with a detailed application penetration test and forensic analysis on one of our key payment-related systems. Their consultants quickly identified underlying vulnerabilities and provided clear insight into how these issues could be addressed."
IT Manager
Leeds United Football Club

Attack Simulation FAQs
A typical red team engagement involves three core groups:
Control Group – Trusted representatives from your organisation who oversee and coordinate the engagement.
Red Team – The offensive team responsible for planning and executing realistic, threat-led attack simulations.
Blue Team – Your organisation’s internal security team or third-party defenders tasked with detecting, responding to, and mitigating threats (often unaware of the exercise in advance).
In regulated frameworks like DORA, TIBER-EU, or STAR, additional participants may include regulatory bodies, Threat Intelligence providers, and independent regulating bodies to ensure compliance and realism.
We actively encourage collaboration with in-house blue teams. Coordinated red team exercises are excellent for validating existing security controls and uncovering real-world attack paths that could lead to compromise. For organisations focused on improving detection and response, we also offer fully collaborative purple team engagements.
Red teaming is ideal for organisations with mature security controls and regular penetration testing. However, businesses at any stage can benefit from it. We can assess your current security posture and recommend the most effective approach based on your goals and requirements.
Duration depends on scope, objectives and organisational maturity. A typical non-regulated red team engagement lasts 4 to 12 weeks, with options like assumed breach to reduce complexity and timelines. For regulated frameworks such as TIBER, DORA, and STAR, we follow defined phases and timelines spanning multiple months, with active testing typically around 12 weeks, varying by framework and scope.
Effective preparation starts with clear planning. Defining learning objectives, desired outcomes, and critical systems tailors realistic attack scenarios. The more clarity you give upfront, the more value and insight you gain.
WorkNest Secure is CREST STAR-accredited, with certified CCRTS team members and a structured team of Leads and Operators. We deliver engagements under TIBER-EU, DORA, and STAR frameworks, ensuring compliance with industry and regulatory standards.
Yes. We align engagements with your risk profile, industry-specific threats, and compliance needs. Whether simulating a nation-state threat, meeting DORA regulations, or addressing insider risks, we’ll build a scenario that fits.
Typically not. To accurately simulate real-world threats, red team engagements are covert, with only a small control group aware. This helps reveal your organisation’s true detection and response capabilities
A typical red team engagement involves three core groups:
Control Group – Trusted representatives from your organisation who oversee and coordinate the engagement.
Red Team – The offensive team responsible for planning and executing realistic, threat-led attack simulations.
Blue Team – Your organisation’s internal security team or third-party defenders tasked with detecting, responding to, and mitigating threats (often unaware of the exercise in advance).
In regulated frameworks like DORA, TIBER-EU, or STAR, additional participants may include regulatory bodies, Threat Intelligence providers, and independent regulating bodies to ensure compliance and realism.
Red teaming is ideal for organisations with mature security controls and regular penetration testing. However, businesses at any stage can benefit from it. We can assess your current security posture and recommend the most effective approach based on your goals and requirements.
Effective preparation starts with clear planning. Defining learning objectives, desired outcomes, and critical systems tailors realistic attack scenarios. The more clarity you give upfront, the more value and insight you gain.
Yes. We align engagements with your risk profile, industry-specific threats, and compliance needs. Whether simulating a nation-state threat, meeting DORA regulations, or addressing insider risks, we’ll build a scenario that fits.
We actively encourage collaboration with in-house blue teams. Coordinated red team exercises are excellent for validating existing security controls and uncovering real-world attack paths that could lead to compromise. For organisations focused on improving detection and response, we also offer fully collaborative purple team engagements.
Duration depends on scope, objectives and organisational maturity. A typical non-regulated red team engagement lasts 4 to 12 weeks, with options like assumed breach to reduce complexity and timelines. For regulated frameworks such as TIBER, DORA, and STAR, we follow defined phases and timelines spanning multiple months, with active testing typically around 12 weeks, varying by framework and scope.
WorkNest Secure is CREST STAR-accredited, with certified CCRTS team members and a structured team of Leads and Operators. We deliver engagements under TIBER-EU, DORA, and STAR frameworks, ensuring compliance with industry and regulatory standards.
Typically not. To accurately simulate real-world threats, red team engagements are covert, with only a small control group aware. This helps reveal your organisation’s true detection and response capabilities
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