Red teams are offensive security professionals who are experts in attacking systems and penetrating defenses. Blue teams are defensive security professionals who are responsible for maintaining internal network defenses against all cyber attacks and threats. Red teams simulate attacks against blue teams to test the effectiveness of network security. These red and blue team exercises provide a holistic security solution that ensures strong defenses while keeping an eye on evolving threats.

Video chapter
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00:00 – Introduction
00:30 – What is a Red Team?
01:02 – How does a red team work?
03:06 – The Tiger Team
03:25 – Examples of red team exercises
04:54 – What is a Blue Team?
05:17 – How does a Blue Team work?
07:26 – Examples of Blue Team exercises
08:58 – What are the advantages of red and blue teams?
09:44 – How do red and blue teams work together?
11:08 – What is a Purple Team?

About the author
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Jason Firch, MBA
https://purplesec.us/cyber-security-experts/jason-firch/

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Resources & Links
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What is cybersecurity?
https://purplesec.us/cyber-security/

50 Free Information and Cybersecurity Policy Templates
https://purplesec.us/resources/cyber-security-policy-templates/

What is a Red Team?

A red team consists of security experts who act as adversaries to overcome cybersecurity controls. Red teams often consist of independent ethical hackers who objectively assess system security.

They use all available techniques (see below) to find vulnerabilities in people, processes and technology to gain unauthorized access to assets. As a result of these simulated attacks, Red Teams create recommendations and plans to strengthen an organization's security posture.

What is a Blue Team?

A Blue Team consists of security professionals who have a deep understanding of the organization. Their job is to protect the organization's critical assets from any type of threat.

You are aware of the company's business objectives and security strategy, so your job is to strengthen the castle walls so that no intruder can breach the defenses.

What is a Purple Team?

A Purple Team is not necessarily a standalone team, although it could be. The goal of a Purple Team is to bring both the Red and Blue teams together while encouraging them to work together as a team to share insights and create a strong feedback loop.

Management should ensure that the red and blue teams work together and keep each other informed. Improved collaboration between both teams through appropriate resource sharing, reporting and knowledge sharing is critical to continuous improvement of the safety program.

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