IT security

What is Red Teaming and for whom is it useful?

In this article, we explain the advantages of red teaming and show you which companies this special form of pentesting is suitable for.

Red teamingis a special form of penetration testing and refers to the simulation of an advanced and persistent threat (APT for short). A team of qualified security experts takes on the role of the attacker and carries out a cyber attack on your company under real conditions. As in a real attack, they attempt to gain access to sensitive data or possibly even hack entire IT systems and networks as well as connected applications.

The procedures and attack techniques of malicious actors can be summarized under the technical term "Tactics, Techniques and Procedures" (TTPs for short). Each malicious actor or malicious group has its own repertoire of procedures to which the Red Team adapts in order to achieve the most accurate simulation possible.

On the other hand, there is the so-called "Blue Team" - these are the IT managers in your company who are responsible for IT security and should recognize cyber attacks at an early stage and, if possible, ward them off.

What is the purpose of a Red Teaming campaign?

A red teaming campaign always has the goal of carrying out an attack with a previously defined threat profile and thus evaluating the effectiveness of existing defense measures, security precautions and management processes - against the threat profile - and uncovering possible weaknesses.

Examples of such a threat profile could be findings from previous cyberattacks on your company or possible risk factors in the IT infrastructure, which should be systematically checked.

Red Teaming procedure

At the beginning, a threat profile is developed in close consultation with you, which is to be simulated during the attack. Furthermore, it is determined which data or systems the Red Team should hack or compromise. For example, dummy data or mock-up systems can be used, which are subject to the same security precautions as the production systems but do not contain any actual data. However, it should be ensured that your IT managers are not aware of the planned measures. This is the only way to realize a realistic scenario.

The Red Team then begins to simulate the attack, usually from an external perspective, and applies appropriate attack techniques and procedures. The Red Team attempts to remain undetected and to circumvent possible detection and defense mechanisms. As this can be a time-consuming process, such a campaign usually lasts 3 to 4 weeks. In some cases even longer.

At the end of the test period or after the previously defined target has been met, a final report is prepared with all activities and successful attacks, including a time stamp, which also outlines the exploited vulnerabilities in systems, guidelines or management processes and provides possible courses of action. The results are then discussed with you and further options for action are developed in dialog. If possible, technical findings can also be discussed directly with the responsible contact persons on your side and a joint refinement of detection and defense rules can be carried out.

Who needs Red Teaming?

A Red Team is usually commissioned by companies to put their own IT security to the test - under realistic conditions - and to check the existing defense mechanisms of their own IT department. This allows existing vulnerabilities to be uncovered and subsequently rectified, drastically reducing the risk of a real cyberattack. You must therefore already have the relevant systems in place and have an internal IT department. Red teaming may also involve checking your external service providers (e.g. third-party software and/or hardware).

In addition, red teaming does not check individual systems for vulnerabilities, but your entire IT system and associated systems and applications. The Red Team does not limit itself exclusively to your IT, but may also pretend to be an employee of your company and attempt to physically infiltrate your company.

A Red Team usually consists of various IT security experts who use their specific expertise to attack completely different areas of your IT. Of course, no real damage is caused, as the Red Team does not introduce any malware / ransomware into your system. In addition to qualified IT security experts, a Red Team also includes programmers, system administrators and network specialists, for example. In addition, Red Teams can also include former hackers (ethical hacking) who use their experience to outwit security mechanisms. The closer the attack is to reality, the better your IT security can be tested.

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csm nicolas roesener e35f74755d
Nikolas Rösener
Security Expert

Red teaming vs. pentesting

Red teaming initially differs from penetration testing in its implementation. While a penetration test usually involves activating the systems to be tested and thus using vulnerability scanners and manual testing to identify technical deficits in as many systems as possible, a red team campaign, on the other hand, takes the approach of compromising the previously defined target systems or their data undetected and using social engineering attacks to uncover and exploit non-technical vulnerabilities.

A pentest also differs from a red teaming campaign in terms of the duration of the test period. The active test period of an average penetration test usually extends over one to a maximum of two weeks, depending on the scope of the test. In a red teaming campaign, on the other hand, the active test period can extend over a month.

Blue Teaming

The Blue Team consists of the IT experts or responsible persons in your company. In order to carry out a realistic cyberattack on your company, the Blue Team should not be informed that the Red Team has been commissioned. Ideally, as few employees as possible should be involved, as the behavior of your employees and the physical security of your sites may also be put to the test.

Red Teaming: Objectives and questions

The goal of red teaming is clearly defined: A team of IT experts will attempt to hack your IT system and determine how well your company is protected against cyber attacks and whether any vulnerabilities exist. Various IT security issues will be examined: Network security, security of the end devices used, server security, firewalls, but also the behaviour of your employees (social engineering), the physical security of your locations and organizational security measures. The typical questions asked during red teaming include

  1. Are there any weaknesses in IT security?
  2. Will the Red Team recognize the attack at an early stage and how will the Blue Team react to the cyber attack?
  3. How effective are the measures taken by your IT department?
  4. Do visitors have to identify themselves and is it noticeable if an unauthorized person enters the building?
  5. How do employees deal with phishing emails?
  6. Are safety guidelines and protocols adhered to?

Tools and tactics for red teaming

Red Teaming uses various procedures, tools and tactics. Ultimately, the aim is to put your IT through its paces. For example, attacks are carried out on networks, but your employees are also scrutinized. Below is a list of the common tactics / methods used in red teaming:

  1. Penetration test: As a rule, penetration tests are always carried out during red teaming. For example, applications, networks or physical security controls can be examined and put to the test. You can find more information on the different types of pentest in our article "What type of pentest do I need?".
  2. Social engineering: Social engineering involves a targeted attempt to manipulate your employees into disclosing sensitive data. Social engineering can take place by telephone or e-mail (e.g. through phishing attacks), but also by a so-called "social engineer" attempting to gain access to a restricted area or to enter office premises unobserved.

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csm nicolas roesener e35f74755d
Nikolas Rösener
Security Expert