A Security Operations Centre (SOC) is a vital component of any organisation with complex IT hardware and software. Having a central place that handles all security-related issues within an organisation can streamline operations, as everyone knows where to report in case of any security incidents.
The SOC is typically staffed by several security analysts whose primary objective is to always maintain the security of the organisation’s network and other IT devices and equipment. The SOC team has several additional responsibilities related to incident response and management, which will be discussed in this article. But before that, let’s examine the basics of Security Operations Centres.
What is a Security Operation Centre?
It refers to a centralised unit within an organisation whose role is to monitor and analyse the security of the organisation’s IT infrastructure, including computer systems, networks, and data. The SOC team must implement all the relevant security measures to prevent and detect cyberattacks before they happen.
However, the SOC should also have the capacity to respond to and manage security incidents if they are not detected in time. Some of the technologies and tools SOC teams use to detect and manage incidents include security information and event management (SIEM) tools, intrusion detection and prevention systems (IDPS), firewalls, and threat intelligence feeds.
The above tools have been getting better over the years due to technological advancements, making the work of SOC teams a lot easier. The SOC teams should also work closely with other parts of the organisation, such as the network operations centre (NOC) and the incident response team (IRT), to effectively detect and manage security incidents.
Overall, the goal of SOC teams is to provide a proactive, efficient, and effective defense against cyber threats, helping organisations protect their sensitive assets and minimise potential disruptions in service resulting from undetected security incidents.
Elements of SOC
The components of any Security Operations Centre can vary depending on the size and complexity of the organisation’s IT infrastructure. However, some of the core elements of most SOCs included the following;
- SOC Team: The SOC team usually consists of IT experts and highly skilled security professionals such as security analysts, cyber security engineers, incident responders, and security managers. The role of these people is to ensure the SOC is run as intended.
- Processes: Any SOC needs to have well-defined and documented processes for how to detect and manage security issues. Some of the documented processes may include incident response, threat intelligence gathering, security event management, and security incident investigation.
- Technology: Security Operations Centres also need to have several security tools and technologies to monitor the security of the organisation’s IT resources at all times. Such technologies may include security information and event management (SIEM) systems, firewalls, intrusion detection and prevention systems (IDPS), threat intelligence feeds, and more.
- Data: SOC facilities need to have access to large amounts of data, such as log files, network traffic, and vulnerability information. The SOC can use this data to effectively monitor and analyse security incidents in the organisation’s IT infrastructure. This data is usually stored in a centralised place (on-premise or in the cloud), allowing all the authorised team members and devices to access it whenever they need to.
- Communications channels: An organisation’s SOC must have effective communication channels in place to ensure the flow of information with the relevant internal and external stakeholders.
For the SOC to succeed, all the above elements need to be well integrated. The SOC teams also work with the other teams within and outside the organisation to achieve the common security goal.
The core roles of SOCs in incident response and management
The Security Operation Centre plays several roles in an organisation. Some of the core ones include the following;
Real-time monitoring
One of the core roles of any SOC is to monitor the organisation’s IT infrastructure to detect any signs of security incidents, such as suspicious network traffic or unusual system behavior. If any of these incidents are detected, the SOC systems need to notify all the relevant stakeholders to ensure the incidents are resolved as soon as possible.
With advancements in technologies such as AI and machine learning, NOC systems have gradually improved their capacity to detect security threats. Organisations using the latest NOC tech will undoubtedly have fewer scenarios of having undetected security issues.
Incident assessment
Another core role of the SOC is to triage incidents to determine their severity and impact and assign a priority to each incident. This allows the SOC team and other relevant stakeholders to attend to the most pressing security issues first. The integration of AI and machine learning into SOC systems is very crucial in helping SOC systems rank security incidents in order of priority.
Coordination
The SOC serves as the central place for coordinating all operations related to the cybersecurity of the organisation. The SOC team needs to bring together various teams within the organisation to ensure that everyone is working together effectively. Such teams may include the incident response team, the threat intelligence team, the forensics team, and more.
Besides the internal teams, the SOC should also engage with relevant external partners, such as law enforcement agencies, whenever the need arises. For instance, if a cyberattack is successfully executed on the organisation’s network, the SOC team needs to engage with law enforcement agencies to investigate the incident.
Gathering Information
Ensuring the organisation’s IT resources are secure at all times requires collecting and analysing data. That’s why it is important for the SOC to gather information about the incident, such as security logs, network traffic, and endpoint data, to support the investigation and response efforts. This data can be analysed and used to make future decisions related to tightening the security of the organisation.
Containment
Even with tight security measures, an organisation can have certain vulnerabilities the SOC system may not have detected or fixed in time. So, in the event that a cyber-attack is successfully executed, the SOC systems of the organisation need to have the capacity to take the required steps to prevent further damage and minimise the impact on the organisation’s operations.
Remediation
The SOC team also needs to develop and implement plans to remediate the incident, including measures to prevent similar incidents from happening in the future. This involves proper assessment to establish the causes of the incident and the vulnerabilities in the systems that could have facilitated the incident.
Remediation can also involve repairing affected systems, updating security software, or implementing new security controls. The main goal of the remediation process is to boost the reliance of an organisation to deal with similar incidents in the future.
Effective Communication
No matter how sophisticated an organisation’s SOC systems are, effective communication is needed to ensure that everyone within and outside the organisation plays their role. The SOC teams must communicate with all the relevant internal stakeholders, including incident response team members and management, to ensure coordinated and effective responses. If necessary, external stakeholders may also be engaged.
Threat Intelligence
With advancements in technologies such as cloud computing and AI, SOC systems can now use data to learn more about threats. This can involve analysing threat data, such as malware signatures and IP addresses associated with known threats, to inform the incident response and management activities.
This intelligence enables the SOC to enhance its understanding of the threat landscape and to identify new and emerging threats. Over time the SOC systems will get better as they are exposed to more data.
Post-Incident Review
Learning from past incidents is crucial when determining effective strategies to deal with similar incidents in the future. After every security incident, the SOC must conduct post-incident reviews to identify lessons learned and make recommendations for improving the organisation’s security in the future.
Post-incident reviews typically involve analysing the response activities, identifying areas for improvement, and making recommendations for changes to the incident response and management program.
Documentation
For purposes of continuity, the SOC team needs to have records of all security incidents with details of how they happened and how they fixed them. The future SOC teams can always refer to this data when developing strategies to beef up the organisation’s security.
Final thoughts
In conclusion, the Security Operations Centre (SOC) plays a crucial role in incident response and management. It provides the essential tools, expertise, and coordination necessary to detect, respond to, and manage security incidents in an effective and efficient manner. With a well-functioning SOC, organisations can operate without frequent security incidents disrupting their operations.
For those looking to enhance the security of their company’s IT assets, consider exploring our SOC service. This is a hands-free service, allowing you and your team to focus on your core business tasks without distractions.
