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Best Practices to Create an Effective Computer Security Incident Response Team

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Many organizations have a computer security incident response team (CSIRT), gaining much consideration. The team is responsible for dealing with the increasing number and complexity of cyber threats.

The security operation center (SOC) and CSIRT are entirely different. A SOC is a group of tools that defends networks, servers, and other IT structures. A CSIRT is a multi-functional team that works together to respond to any security incidents. In this team, some members are available while others are called as per the need.

In contrast to a SOC, the responses provided by an incident response team go beyond the technical actions taken to rectify any incident. It consists of recommending changes to systems or organizational practices to offer protection against future incidents.

It also includes non-technical responsibilities like managing internal communications, status reporting, and helping counsel. It efficiently handles personnel issues when an incident happens due to inside actions.

Practices to Create an Effective CSIRT:

It is also essential to involve various processes and talent to form a SOC. If you’re looking for the best practice to build an effective CSIRT, then don’t worry! This blog will discuss seven best practices to create an effective CSIRT. The methods are as follows:

Form a Friendly Team:

It is essential to educate the entire organization regarding its acute and multi-functional nature.

Every team member needs to understand the value of similar roles and skills. It will be easy to eradicate differences among, like, the technical members in the SOC and the nontechnical CSIRT members.

Hire an Effective Advocate or Executive Sponsors:

It means a staff member at the position of a CSIO or executive staff member is necessary. This member must effectively communicate the consequence of an incident to all other executives and board members.

The person hired will be responsible for ensuring that the incident response team receives proper attention. Furthermore, it is his responsibility to develop a workable budget and store the authority to act vigorously during the incident.

Outline the Key Roles and Hire from Across the Organization:

The multi-functional team members might consist of:

  • An incident manager who can efficiently work across the entire organization. He should be capable enough for calls, meetings, and hold team members responsible for their actions. He is also accountable for the roll-ups findings before communicating incidents to the organization.
  • Communication and PR expert who can manage everything from handling press investigations to communicate with workers and monitor social media.
  • A lead investigator. It can like a security analyst who takes responsibility of investigating a security incident.
  • Privacy proficient like the general counsel or a deputy legal team member who provides advice on issues.

4. Form Team on Realistic IT Budgets:

Security incidents can happen at any time. Thus, you need CSIRT staff who are geographically dispersed. The reason is to ensure that at least someone is available 24/7 hours.

However, if you face difficulty adjusting with different timings, you can introduce various shifts. These shifts must consist of those who are often trained and eligible to lead an incident. Moreover, you must have the dismissal option by cross-training each CSIRT member and their specific role.

Although, few IT organizations have the budget to staff this ideal position. As a part of this practice, do plan for real-world staffing limitations before an incident occurs.

5. Protect all Team Members from Distractions:

Security incidents can be strong and powerful. The effort needed for a violation response can take many years. All the CSIRT members might experience stress and exhaustion. It might be due to responding to a current flood of audits, legal needs, HR requests, and so on.

So, though your incident response teams need to be a bit friendly, they must also practice distraction evasion. It requires segregation from unplanned external requests and establishing a procedure for work intake.

6. Establishing Nonlinear Roles and Responsibilities:

Both SOC and CSIRT need to work corresponding owing to their problems. They will need feedback loops for surveillance, widespread investigative support, and technical recommendations.

It will surely help the work of the incident response team, which goes beyond merely responding to incidents. It includes learning what causes incidents to take place. Later, pouring the information through the organization to avoid similar upcoming incidents.

7.Create a Diverse Team:

Hire and employ people who understand the various aspects of tribal knowledge quite well.

For instance, in crypto-ransomware, email is a delivery mechanism. Seeing this, a CSIRT talent source could be a member of the messaging team- someone between those handling your email structures.

When you involve a technically diverse team and hire from them over time, it will improve your incident response capability intensely.

An effective CSIRT is very necessary to tackle any incident. It can be hoped that by adopting the practices mentioned above, you will inevitably create operative CSIRT.

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