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Cyber Red Teaming

Full-scope adversary emulation

This is traditional red teaming done right: objective-driven adversary emulation that plays out across the full attack lifecycle. Arcanum operators earn initial access, move quietly, establish persistence, pivot laterally, and press toward your crown-jewel objectives: the same way a real, motivated adversary would.

We pair that classic discipline with modern methodology that reflects how attackers actually break in today. From supply-chain footholds to dark-web credential reuse, our tradecraft mirrors the current threat landscape so the exercise tests your defenses against the adversary you'll really face, not a decade-old playbook.

Think of it as a superset of our External Network Penetration Test: everything that assessment covers, plus active exploitation, phishing and social engineering, and full post-access operations toward your objectives. And when a hardened perimeter won't crack inside the window, we pivot to an Assumed Breach so the internal story still gets told.

MITRE ATT&CK
Aligned, threat-informed TTPs
Full
Kill-chain coverage, edge to objective
Objective
Driven, not a vuln checklist
Cyber red teaming operation
The Operators

Run by the people who wrote the methodology.

Arcanum red teams are led from the front by Jason Haddix, with handpicked, world-class researchers brought in per engagement, not a rotating bench of junior testers.

Jason Haddix
Jason Haddix
Founder · CEO · Arcanum Security

A hacker and bug hunter ranked 85th all-time on Bugcrowd and the creator of The Bug Hunter's Methodology. Jason's career spans offensive, defensive, and executive roles: CISO of Ubisoft and BuddoBot, Head of Trust & Security at Bugcrowd, Director of Penetration Testing at HP, and Lead Penetration Tester at Redspin.

He's shared research on the world's biggest stages, DEF CON, Black Hat, RSA, OWASP, Nullcon, SANS, and dozens more, and brings that experience to every Arcanum engagement.

Full Scope

Everything in an external test, and far beyond.

A red team is the widest-aperture offensive engagement we run. It begins with everything our External Network Penetration Test delivers, then keeps going where a pentest stops: from finding the way in to actually walking through it, all the way to demonstrable impact.

Everything the external test covers

// the foundation
  • Reconnaissance & OSINT: full external footprint and attack-surface mapping.
  • Vulnerability & misconfiguration analysis: across infrastructure, cloud, and web.
  • Exposure discovery: leaked credentials, forgotten assets, and shadow IT.
  • Perimeter validation: confirming what's genuinely exploitable versus noise.

Plus the red-team escalation

// where a pentest stops
  • Active exploitation: we don't just flag the hole: we go through it and prove real access.
  • Phishing & social engineering: targeted campaigns that test the human layer, not just the tech.
  • C2, evasion & persistence: operating quietly against your live EDR and monitoring.
  • Lateral movement to objectives: chaining access into real, demonstrable business impact.
Our Approach

From first foothold to full compromise

Every engagement runs in two phases, earning realistic access, then operating with intent toward objectives that matter to your business.

Realistic Initial Access

// getting in

We start where real intrusions start, at the edge, with the techniques modern attackers actually use to land their first foothold.

  • Targeted phishing: File-based payload campaigns and credential-capture lures built to mirror the social-engineering pressure your people face every day.
  • Supply-chain vectors: Dependency confusion and dependency hijacking that exploit how modern software is assembled, not just how it's deployed.
  • Credential harvesting: Dark-web credential collection that feeds credential-stuffing against your exposed logins, surfacing reused and leaked passwords before an adversary does.

Objective-Driven Operation

// once inside

Access is only the beginning. Inside your environment we operate with the patience and discipline of a real intrusion set.

  • Stealth & persistence: We establish durable footholds and work to stay quiet, testing whether your detection and response can catch us in the act.
  • Lateral movement: Methodical pivoting through the network toward the systems and identities that unlock real impact.
  • Crown-jewel objectives: Everything drives toward pre-agreed goals, sensitive data, business-critical systems, demonstrable impact, not a vulnerability checklist.
Attack Lifecycle

How a red team actually unfolds.

Every engagement is mapped to the MITRE ATT&CK framework and emulates the tactics, techniques, and procedures of adversaries relevant to your industry, so the exercise is threat-informed, not improvised.

01

Recon & OSINT

Passive and active mapping of your external footprint, people, tech stack, and exposed assets to build the target picture.

02

Initial Access

Phishing, active exploitation, supply-chain vectors, and validated credential attacks, whatever earns the first real foothold.

03

Execution & C2

Establishing durable command-and-control while evading EDR, network monitoring, and your detection tooling.

04

Privilege Escalation & Persistence

Elevating access and planting quiet, resilient footholds that survive reboots and credential resets.

05

Lateral Movement & Discovery

Active Directory attacks and methodical pivoting toward the identities and systems that unlock real impact.

06

Objectives & Impact

Exfiltration simulation and demonstrable impact on pre-agreed crown-jewel goals: the proof that matters to leadership.

Why Arcanum

Adversary emulation with an attacker's instinct

We don't run a scanner and call it a red team. We think, move, and adapt the way real intruders do.

01

Attacker's-Eye Perspective

Our operators approach your organization the way a determined adversary would: probing, improvising, and chaining weaknesses that isolated tests never connect.

02

Modern Access Tradecraft

Phishing, supply-chain compromise, and credential reuse are how breaches happen now. Our initial-access playbook reflects the current threat landscape, not a legacy checklist.

03

Detection & Response Insight

Because we operate stealthily and persist over time, the engagement becomes a live test of your monitoring, showing exactly where your blue team sees and misses us.

04

Business-Impact Focus

We measure success by objectives reached and impact demonstrated, giving leadership a clear, honest read on what a real breach would actually cost.

05

Research-Driven Tradecraft

Our operators build and adapt techniques to your environment and current threat intel: the tradecraft real intruders use now, not a canned script replayed from last year.

06

Knowledge That Stays

We don't just hand you a PDF. We walk your team through exactly how we got in, so your defenders come out of the engagement sharper than they went in.

Engagement Models

Scoped to your threat model.

Red teaming isn't one shape. We scope the scenario to the adversary you're most worried about and the questions leadership actually needs answered.

Full-Scope Adversary Emulation

Edge to objective: earn external access, then operate all the way through to crown-jewel impact.

Paired with Assumed Breach

If the external-to-internal path won't crack inside the window, we pivot to an Assumed Breach, placing an operator inside as if access already happened, so you still get a complete read on internal detection and blast radius. It doubles as a malicious-insider simulation. Many red teams are scoped with this built in.

Named Threat-Actor Emulation

Threat-intelligence-led operations that replicate the specific TTPs of the actors known to target your sector, mapped to MITRE ATT&CK, so the exercise reflects a threat you'll realistically face.

Phishing & Social Engineering

Human-layer campaigns, pretext, payload, and credential capture, testing awareness and response under real pressure.

Purple Team Collaboration

Run side-by-side with your defenders, replaying TTPs live to tune detection and close gaps in real time.

AI-Enabled Targets

Adversary simulation against LLM-backed apps, agents, and the infrastructure around them, see our dedicated AI Penetration Testing & Red Teaming service.

Your Outcome

Findings you can act on

Every operation ends with a clear narrative of what we did, how we did it, and what it means for your defenses.

What our findings detail

// deliverables
  • The full attack narrative, from initial access through to objective compromise, mapped step by step.
  • Every technique used at the edge, with the specific weaknesses that let us in.
  • Post-access tradecraft: the persistence, evasion, and lateral-movement paths we exploited.
  • Detection gaps: where your monitoring alerted, where it stayed silent, and why.
  • Prioritized, practical remediation guidance tied to the real paths we walked.

What you gain

// outcomes
  • A true measure of your resilience against a realistic, motivated adversary.
  • Evidence-based clarity on which crown jewels are genuinely reachable.
  • Sharpened detection and response, validated under real operational pressure.
  • A defensible, business-level story to bring to leadership and the board.
What You Get

Deliverables that drive real remediation.

Every engagement ends with more than a PDF: you get the evidence, the context, and the support to actually fix what we find.

01

Detailed Technical Report

Every finding documented with clear reproduction steps, real-world impact, and the evidence to back it.

02

Executive Summary

Risk translated into business terms your leadership and board can act on.

03

Prioritized Remediation

Practical, ranked fixes tied to the real attack paths we walked, not a raw scanner dump.

04

Live Findings Debrief

A working session where we walk your team through the results and answer every question.

05

Complimentary Retest

Once you've remediated, we re-test the findings to confirm the fixes actually hold.

06

Knowledge Transfer

You learn how we found what we found, so your team gets stronger with every engagement.

FAQ

Common questions.

Red team vs. penetration test, what's the difference?

A penetration test enumerates and validates vulnerabilities within a defined scope. A red team is objective-driven and adversarial: it tests people, process, and technology together and measures whether a motivated attacker can reach your crown jewels without being caught. A red team includes the technical coverage of a pentest and goes further: active exploitation, social engineering, evasion, and full post-access operations.

What if you can't break in from the outside?

Real adversaries have unlimited time; an engagement doesn't. If a hardened perimeter won't crack inside the window, we pivot to an Assumed Breach, starting from inside as though access already happened, so you still get a full read on internal detection, lateral movement, and blast radius. We scope many red teams with this pairing from the start.

Is a red team safe to run against production?

Yes. Every engagement runs under strict rules of engagement, with deconfliction channels and OPSEC controls agreed up front. We emulate adversary impact without causing it, demonstrating access to crown jewels rather than damaging them.

Do you perform physical intrusion or on-site social engineering?

No, by design. Arcanum red teams focus on the digital and human attack surface: external compromise, phishing and social engineering, and full network operations, all conducted remotely. Physical intrusion, badge cloning, tailgating, facility access, is intentionally outside our scope, so you know exactly what the engagement covers.

How long does an engagement take?

It's scope-dependent, but full-scope red teams typically run several weeks to allow for realistic, low-and-slow operations. We size the timeline to your objectives, environment, and the level of stealth required.

Can you emulate a specific threat actor?

Yes. Threat-intelligence-led engagements emulate the TTPs of the actors most likely to target your sector, mapped to MITRE ATT&CK, so the exercise reflects a threat you'll realistically face.

See your organization through an adversary's eyes.

Put your defenses up against realistic, objective-driven adversary emulation. Let's scope a red team engagement that reflects the threats you actually face.

Scope

Choosing the right engagement.

Our three external-facing services overlap but aren't interchangeable. Here's exactly what each covers, so you can scope the one you actually need.

External Network Pentest Cyber Red TeamingYou are here Web Application Pentest
Reconnaissance
CVE & misconfiguration analysisinfra · cloud · web
Phishing & social engineering
Dependency confusion & hijacking
Leaked-credential analysisdark-web / breach dataExposure onlynot validatedStuffed & validated
Web-application testingUnauthenticatedUnauthenticatedcreds only to reach a goal *Full credentialedfull stack

* On a red team, web applications are only credential-tested when dark-web-sourced credentials are used to reach an agreed objective.