Red Team Attack Simulation Service
A penetration test looks at the door: is the lock on, is a window open, which vulnerabilities exist. A red team does not ask that. A red team behaves like a thief. It actually gets in, moves through the corridors undetected, reaches the safe or the CEO's mailbox, and while doing so it measures whether any alarm goes off. The two are not the same thing, and they do not ask the same question. A penetration test asks "where could someone get in"; a red team asks "once someone is in, who catches them, and when".
On this page we explain exactly what the DSET red team service does, what it measures, and why it differs fundamentally from a classic penetration test. We will set marketing language aside and show how a real operation actually runs.
How a red team operation really unfolds
Let us not keep it abstract. Here is a typical scenario, the way we know it from the field.
The operation starts with written authorization and a clear objective: say "reach the payroll folder on the finance team's shared file server and place our marker file there". A single concrete goal. Everything else serves that goal.
Initial access most often opens through people, not technology. A targeted phishing email we craft gives us our first foothold when an accounting employee opens an attachment titled "urgent invoice". We now have a foot on that machine. From there it is all silence. We do not run noisy scanners, because the goal is not to list every vulnerability but to move undetected.
Lateral movement begins. Credentials are harvested from the compromised machine's memory, the trail of a privileged account is caught, a jump is made to a management server. Step by step, calculating the noise budget of every move. Within a few days domain admin privileges are reached. With that privilege we go to the finance file server, find the target folder and drop the marker file. The objective is complete.
Here is the part that makes people pause: throughout this entire time the blue team, the SOC, in most cases saw no alarm at all. When the operation ends, the question is not "which vulnerability existed". The question is this: did you notice us, if so at which step, how many hours later, and what did you do.
A red team tests the blue team, not the systems
This is the most misunderstood point, so let us write it plainly. What a red team actually measures is not the vulnerabilities of your servers or your application. What is truly being tested is your defense team: the SOC analysts, your detection rules, your response procedures, who sees your EDR alerts and how quickly.
In a red team operation, "success" is not the attacker getting in. Because with enough time and creativity almost anything can be breached. The real measure of success is a single sentence: "Did we get caught?" If the blue team spotted the attack at an early step and cut it off, the defense won. If nothing was noticed until the attacker reached the objective, the problem is not in the systems but in visibility.
That is why a red team output is not a vulnerability list. The output is a timeline: which step was done at which hour, which step left a trace, why that trace did not turn into an alert, or if it did, why no one looked.
"Assumed breach": the attacker is already inside
A classic red team operation opens initial access on its own. But in mature organizations we apply a sharper scenario: assumed breach.
In this model we do not even debate "can the attacker get in from outside". Because the statistic is clear: a sufficiently targeted phishing attempt eventually works. Instead we assume the attacker is already inside. You are given a controlled starting point, as if an employee's machine had already been compromised. What we actually measure is this: from this point on, how fast does the defense react.
Two numbers are decisive. MTTD (mean time to detect) is the time from the start of the attack to the defense noticing it. MTTR (mean time to respond) is the time from detection to the attack being stopped. The assumed breach scenario measures these two numbers not under lab conditions but under real attack pressure. An organization's maturity lives in these two durations far more than in a vulnerability count.
Pentest, Red Team and Purple Team: a clear comparison
These three concepts are constantly confused. The difference between them is not academic, it is operational.
| Dimension | Penetration Test | Red Team | Purple Team |
|---|---|---|---|
| Goal | Find and list as many vulnerabilities as possible | Reach a single critical objective (crown jewels) | Improve attack and defense together |
| Scope | Broad, system and application focused | Narrow and targeted, outcome focused | Joint work on specific TTPs |
| Visibility | Noisy, defense is usually informed | Silent, defense is unaware (covert) | Open, both sides at the same table |
| What is truly tested | The systems' vulnerabilities | The blue team's detection and response | Improvement of detection rules |
| Success measure | Number and severity of findings | Was the objective reached, did we get caught (MTTD/MTTR) | Increase in detection coverage |
| Duration | Usually days | Usually weeks | Session based, recurring |
In short, a penetration test is broad and noisy, it counts every vulnerability. A red team is narrowly targeted and silent, it tests staying undetected. A purple team is the mode where these two sit side by side instead of fighting, learning focused: red runs a TTP, blue tries to see it, and if it does not, the detection rule is written right there. For most organizations this is the format that produces the most value.
The backbone: MITRE ATT&CK, TTPs, C2 and rules
A red team is not random "hacking". It rests on a disciplined framework.
MITRE ATT&CK and TTPs
The techniques real adversaries use are cataloged in the MITRE ATT&CK framework as tactic, technique and procedure. This is called TTP. The DSET red team maps the operation onto this framework: in the report we show which technique we used, for which tactical purpose, using ATT&CK identifiers. This lets the blue team directly check "they hit us with this technique, can we see this technique".
C2 and OPSEC
Communication with compromised machines runs over command and control (C2) infrastructure. Staying undetected depends on OPSEC, operational secrecy: hiding traffic in channels that look legitimate, producing no noise, not triggering the indicators the defense watches. Much of the red team craft is not attack but the discipline of staying invisible.
Rules (ROE)
No operation runs without rules. The Rules of Engagement (ROE) draw the boundaries in writing: which systems may be touched, which must never be, how production data is protected, how the emergency stop (stop word) works. These rules keep the service safe and legal.
How a DSET red team operation runs
We run the process transparently end to end.
1. Scope and ROE definition
First we clarify the objective and the boundaries in writing. What are the crown jewels, what is the success criterion, which systems are out of scope, what is the operation window. Not a single packet is sent without written authorization.
2. OSINT and reconnaissance
We collect everything about your organization that is visible from outside: domains, leaked credentials, employee profiles, open ports, the technology stack. Whatever the attacker sees, we see too.
3. Initial access
We gain the first foothold through targeted phishing, physical entry or a technical vulnerability. Depending on the scenario one or several of these are used.
4. Lateral movement and privilege escalation
We move quietly inside, harvest credentials, escalate privileges and jump toward the objective. Every step is mapped to ATT&CK, and the noise budget of every step is calculated.
5. Reaching the objective
We reach the crown jewels and leave an impact proof. Data exfiltration simulation is controlled and marked; no real customer data leaves the environment.
6. Undetected reporting and blue team improvement
The operation ends and we deliver the report. The report is not a vulnerability list but a story and a timeline: what we did, at which step we left a trace, where the blue team detected us, where it missed. Then, through purple team sessions, we write the missing detection rules together and strengthen the defense for good.
Ethical and legal boundary
A red team is an authorized exercise, not piracy. The whole operation runs under a written contract and signed authorization. Unauthorized access is a crime under the Turkish Penal Code; our work is the exact opposite, acting on your written instruction, within your boundaries, to strengthen your defense. Protecting production data, confidentiality and emergency stop mechanisms are an inseparable part of every contract.
A red team should be seen as part of a whole. For broad vulnerability scanning see our penetration testing process, for threat and exercise design see our threat simulation and cyber exercise article, and to strengthen the defensive side see our EDR/XDR endpoint security solution.
Frequently Asked Questions (FAQ)
What is the difference between a red team and a penetration test? A penetration test is broad in scope and finds and lists every possible vulnerability; making noise is not a problem. A red team is narrowly targeted, tries to reach a single critical asset quietly, and primarily measures whether the defense can detect that attack.
Is our real data at risk during the operation? No. Data exfiltration is controlled and marked; no real customer or personal data leaves the environment. The Rules of Engagement guarantee the protected systems and the emergency stop mechanism in writing.
What is the assumed breach scenario and why is it preferred? The attacker is assumed to be already inside, and you are given a controlled starting point. This way, instead of debating "can someone get in", we directly measure the defense's detection (MTTD) and response (MTTR) speed. It is the most instructive scenario for mature organizations.
Will our blue team be aware of the operation? In a covert red team operation the defense team is not aware; the realism of the test depends on this. Only a small authorized core team in the organization knows. In the purple team model, both sides work knowingly and together.
Is a red team service legal? Yes. It is an authorized exercise carried out under a written contract, signed authorization and clear Rules of Engagement. Unauthorized access is a crime; this service is the opposite, performed on your instruction, within your boundaries, to strengthen your defense.
Sources
- MITRE ATT&CK: Adversary Tactics, Techniques and Common Knowledge
- MITRE Engage: Adversary Engagement Framework
- NIST SP 800-115: Technical Guide to Information Security Testing and Assessment
- CREST: Penetration Testing and Red Teaming Standards
- The Red Team Guide: Methodology and TTP Reference
- SANS: Red Team Operations Resources
DSET has been providing cybersecurity and attack simulation services in Ankara Hacettepe Teknokent Beytepe since 2003. To test your organization's defense under real attack pressure: +90 536 662 38 09.