1.02Security testing
Red Team & Adversary Emulation
Objective-based adversary emulation across relevant digital, human and physical attack vectors, mapped to MITRE ATT&CK and focused on prevention, detection and response outcomes.
A penetration test answers “is this system vulnerable?”. A red team answers a harder question: “if a capable adversary set out to compromise us, would we stop them – and would we even know?” We run goal-driven, full-scope engagements that emulate a real threat actor end to end, mapped to MITRE ATT&CK: gaining initial access, establishing persistence, escalating privileges, moving laterally and reaching defined objectives such as a sensitive dataset, a production system or domain control.
Engagements are tightly authorised and managed under agreed operational-security and safety controls. Testing can begin externally or from an agreed internal foothold when the priority is to assess lateral movement, privilege escalation, segmentation, detection and response.
Deliverables include an executive attack narrative, a technical activity timeline, MITRE ATT&CK mapping, detection and response observations and a prioritised hardening plan. The methodology also provides the technical foundation for regulated TLPT engagements.
- MITRE ATT&CK
- every technique mapped across the attack chain
- TIBER-EU
- supports TIBER-EU-aligned DORA TLPT
How it works
- 01
Objectives & rules of engagement
Agree crown-jewel objectives, scope, OPSEC constraints, authorisation and safety procedures.
- 02
Reconnaissance & threat profiling
OSINT and intelligence to model a relevant threat actor and plan realistic attack paths.
- 03
Initial access
Gain a foothold – or begin from an agreed assumed-breach position – covertly and safely.
- 04
Lateral movement & objectives
Escalate privileges, move laterally and pursue defined objectives while measuring detection.
- 05
Detection & response validation
Assess what the blue team saw, missed and how they responded across the attack chain.
- 06
Reporting & purple closure
Executive attack narrative, ATT&CK-mapped technical findings, hardening roadmap and collaborative debrief.
Packages
- Assumed Breach
- Focused internal engagement starting from a foothold to test lateral movement and detection.
- Full-Scope Red TeamPopular
- End-to-end adversary emulation from initial access to objectives with detection validation.
- TLPT / Continuous
- TIBER-EU-aligned threat-led testing or a recurring adversary-emulation programme.
Frequently asked questions
Credited findings
Public disclosures and field research where this work produced citable, verifiable results.
| Severity | Finding | Advisory | Year |
|---|---|---|---|
| 10.0Critical | GHOSTWORKER: a stealth UniFi gateway implant that phones home over Google's DNSInternet-facing UniFi Dream Machine Pro (UniFi OS) | CVE-2026-34908 (opens in a new tab) | 2026 |
What clients in your sector say
From organisations in the same sector.
Fintech“Partnering with OffSeq on a red team engagement gave us a genuine adversarial perspective that went well beyond a traditional penetration test.”
Oskars Zīle
CISO · Eleving Group
IT services“What stands out is their practical approach – no fluff, just clear findings and actionable recommendations.”
Viktors Trifanovs
CISO · TestDevLab
SaaS“Instead of slowing us down, they seamlessly integrate with our fast-moving engineering team, providing proactive, high-level insights that let us fortify our systems in real time as we grow.”
Karlis Broders
CTO · Trace.Space
All services
Scope a test
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