Book Image

Incident Response in the Age of Cloud

By : Dr. Erdal Ozkaya
Book Image

Incident Response in the Age of Cloud

By: Dr. Erdal Ozkaya

Overview of this book

Cybercriminals are always in search of new methods to infiltrate systems. Quickly responding to an incident will help organizations minimize losses, decrease vulnerabilities, and rebuild services and processes. In the wake of the COVID-19 pandemic, with most organizations gravitating towards remote working and cloud computing, this book uses frameworks such as MITRE ATT&CK® and the SANS IR model to assess security risks. The book begins by introducing you to the cybersecurity landscape and explaining why IR matters. You will understand the evolution of IR, current challenges, key metrics, and the composition of an IR team, along with an array of methods and tools used in an effective IR process. You will then learn how to apply these strategies, with discussions on incident alerting, handling, investigation, recovery, and reporting. Further, you will cover governing IR on multiple platforms and sharing cyber threat intelligence and the procedures involved in IR in the cloud. Finally, the book concludes with an “Ask the Experts” chapter wherein industry experts have provided their perspective on diverse topics in the IR sphere. By the end of this book, you should become proficient at building and applying IR strategies pre-emptively and confidently.
Table of Contents (18 chapters)
16
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17
Index

Why do we need incident response?

Incidents are on the increase and it has become apparent that if they are not contained properly, they can easily escalate into issues that can damage an organization. A reliable solution is to prepare adequately on how to address security incidents when they happen. IR enables organizations to take essential steps to address the ever-present threat of cyber threats.

Therefore, IR is a necessity in organizations today. Poor handling of incidents can lead to the escalation of manageable security events into catastrophes. As recent reports from security incidents have shown, IR helps organizations to mitigate attacks, minimize losses, and even prevent future security incidents.

To achieve the best outcomes from IR processes, the organization should ensure that it acts with speed immediately after a security event is detected. However, before executing the mitigative actions, the nature and extent of the security incident have to be determined. In the short term, the organization ought to focus on deploying resources to combat the active threat and return the organization to normalcy. This should be done in parallel with seeking assistance from law enforcement and third parties to assist with tracking down the cause. In the long term, IR activities can be focused on identifying the cause of the threat to find permanent fixes, improving the security tools used to ensure better detection and prevention, prosecuting the culpable parties, and addressing reputational damage.

Despite the reliance on conventional cybersecurity approaches that are heavily reliant on security tools, new threats can be best mitigated by people and processes. Hence, IR, which combines the efforts of security tools with people and processes, will often lead to more effective solutions. Organizations must, however, continually evaluate their IR plans and teams to ensure that their effectiveness improves over time. Nonetheless, the importance of IR in modern IT environments cannot be underestimated.