What is Incident Response in Cybersecurity
                     What is Incident Response in 
Cybersecurity?
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Cyberattacks can affect any organization's system or network. The process used by 
an organization to respond to and manage a cyberattack is known as incident 
response. It helps you keep track of security incidents, analyze and contain risks, 
and remove them from your network.
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Incident Response Plan (IRP)
An Incident Response Plan (IRP) is a structured series of stages 
that must be followed to ensure that every part of a cyber 
incident is investigated and documented. The tricky part is to 
determine which business components are most beneficial to 
produce the most productive IRP. You have a good chance of 
defending against these types of attacks and designing an IRP 
to best suit the firm's environment if you can identify where a 
company is most likely to be targeted.
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Cybersecurity Incident Response Steps
The following are the defined steps that should be included in every 
cybersecurity IRP:
1.Preparation: Preparation is the first and essential step in responding to 
cybersecurity incidents. You will require a solid plan in place to help your 
incident response team, as, without it, even the strongest team will be 
unable to resolve a cyber incident successfully. Teams must establish 
policies, procedures, and agreements for incident response management, 
create standards for smooth communication, access their threat detection 
capabilities, and more to adequately address security incidents.
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Identification: It is critical to have a proper setup to recognize when an 
incident has occurred. This is usually where intrusion detection system alerts 
appear. Web filtering gateways detect suspicious external connections. SIEM 
solutions connect the dots between an attacker passing through the internal 
network and an endpoint solution detecting the opening of a phishing email. 
In any case, qualified security personnel must act quickly to escalate and 
respond to the alerts.
Containment: After an incident has been identified, the threats must be 
contained. This phase aims to contain the damage and use containment 
strategies to prevent it from getting worse. It is one of the crucial steps of 
incident response.
Eradication: Eradication is one of the most challenging stages of the incident 
response process because it requires forensic analysis to identify the extent of 
the threat actor's presence. Security professionals must ensure that whatever 
they do in the eradication step removes the threat actor's presence and 
access to the system. This entails reimaging systems, looking for backdoors, 
and, most importantly, pinpointing the incident's core cause. 
 
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Recovery: After eradication, the recovery stage begins. It is critical at this step 
to get the infected systems back up and running to minimize any potential 
financial losses related to the infected system's downtime. Simply, it refers to 
the testing of fixes in the eradication phase as well as the transition to normal 
operations.
Lessons learned: Lessons learned is also one of the essential stages since it 
demonstrates to everyone how the incident occurred and how efficiently the 
exploit's attack vector was closed. The main lessons from this phase are to 
improve your incident response capability and your security footprint.
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You can refer to the video provided below to learn more about incident 
response.
https://www.youtube.com/watch?v=4vFcReHPMhM
Or
https://www.youtube.com/watch?v=AbGhNkmTKME 
Final Words:
Investing the time to develop a thorough incident response strategy can save 
your company time and money, which allows you to quickly retake control of 
your systems and data in the event of a breach. InfosecTrain, a cybersecurity 
training company, is dedicated to helping you achieve this goal with adequate 
training. Learn with our experts.
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