Summary

This chapter has gone through the evolution and current challenges of IR. It has explained the need for IR to respond to changes in the threat landscape and technology advancements. It has also highlighted that teams also face various challenges with IR. As explained, IR must help the organization handle incidents effectively by providing a guide to contain and mitigate the effects of security events. An IR team also has a responsibility to protect the company brand by handling any eventualities that might ruin the reputation of the company. Methods to prevent future breaches are necessary by ensuring the implementation of permanent fixes to common security incident sources and preparing for attacks by boosting cyber resilience. Furthermore, IR contributes to the improvement of the security stature of the organization and ensures the integration of an organization's security initiatives. Lastly, IR teams face the challenge of assisting legal investigations and court prosecutions by collecting evidence that can be used to build a case against suspects of attacks.

In the next chapter, we will look at the composition of the IR team, to learn more about the various professionals required to make the team function optimally.