What is Security Incident Response?
Websites face cyber security threats almost every day, and security incident response is a function that handles and responds to potential cyber attack. A cyber attack can have damaging impacts ranging from intellectual property and sensitive data theft to a considerable impact on network security, operations, and brand.
The objective of cyber security incident response is to mitigate the impact of cyber attacks and, if possible, proactively undertake actions to remove any scope for a successful attack.
Your Security Incident Response Team
Ideally, incident response operations are handled by an organization’s Computer Security Incident Response Team (CSIRT). This dedicated team is a group of information security experts who are primarily responsible for all security operations and data protection, including incident management and prevention of cyberattacks. A CSIRT follows its organization’s incident response plan (IRP) that defines its response to security incidents, network events, and confirmed breaches.
Typically, your incident response team members include security analysts, an incident handler, and security threat researchers who collaboratively analyze incident data, review malicious observations, and share threat information across cybersecurity incident response companies.
Incident Response Plan (SANS 6-Step Plan)
An organization must focus on preparing a concrete cyber incident response plan in advance. An effective incident response methodology must be tried and tested before a cyberattack or data breach occurs. A few years ago,SANS Institute, one of the trusted resources for information security training as well as cybersecurity certifications and research, published a 6-step framework that companies must keep in mind while enhancing their incident response capability.
SANS’ 6-steps to an incident response plan:
1. Preparation
An organization’s CSIRT needs to be aware of its security policies, whom to contact in case of a security event, and have access to the toolkits required to perform the actual incident response process. All the members of the team must participate in cybersecurity incident response drills in order to prepare for the incident response process.
2. Identification
Through thorough incident investigation, the security team should know where the incident occurred, who reported it, and how it was discovered. They must be able to detect the compromised areas, the scope of impact, and the sources of the incident. In other words, this is the process of identifying a security breach and enabling a quick response.
3. Containment
After identification, one of the major steps is to contain the imminent threat and prevent further damage. There are two types of containment—short-term and long-term. In short-term containment, an immediate response is taken to stop the threat from spreading and causing further damage. This can be achieved by taking the networks offline and counting on system backups to continue operations. Long-term containment involves resuming all systems to perform the standard business operations but without the accounts and backdoors that allowed the obtrusion.
4. Eradication
The next step of the incident response lifecycle is to restore the affected systems. In this process, all the systems involved in the incident are reimaged and traces of the security incident are removed. Most importantly, cybersecurity incident response companies must update their defense systems to avert similar security incidents from occurring again.
5. Recovery
Security teams need to confirm that the affected systems are recovered and functioning properly. Furthermore, they must set timelines to restore operations completely and continue monitoring for any abnormal activity within the network. At this stage, the cost of the damage can be calculated.
6. Lessons Learned
After an incident occurs, an incident response report must be documented that can help the team improve its future efforts. The documentation can include the policies, response procedures, and decisions made as well as the lessons learned during the incident.
What is an Incident Response Platform?
To prevent attackers from succeeding, security teams need to do cyber incident response planning that is put into action using a robust cyber incident response platform. An incident response tool is used to deliver proactive and responsive countermeasures against cyberattacks. These countermeasures can be delivered both manually and using incident automation.
Incident response platforms focus on the detection of abnormalities, threat hunting, and real-time threat response via automated playbooks. Using these platforms, incident response can be strategically planned, orchestrated, and documented with incident reports for further analysis. A modern automated incident response tool comes with incident response playbooks designed to help contain and remediate breaches at machine speed using pre-configured workflows. Playbooks are planned workflows that automatically orchestrate responses across disparate tools and technologies to contain threats in real time.
With the help of security automation, incident response platforms help security teams reduce the time and resources required to handle incidents and identify and remediate events that may have been skipped due to a lack of resources.
What is Threat Response?
Since the beginning, the focus of incident response teams has largely been around containing incidents. Moreover, the strategy has been reactive. However, with the advancement of technologies, now incident response teams can move beyond just incident response to focus on the larger threat dimensions such as malware, vulnerabilities, and threat actors. A response strategy that includes all dimensions of cyber threats is called a threat response and the technology and tools used to execute such strategies are calledthreat response platforms. A modern-day threat response platform leverages advanced technologies like cyber fusion to connect the dots between different threats and incidents and present a complete picture to the threat response teams.Cyber fusion technology also enables different internal security teams such asvulnerability management, threat hunting, security operations (SOC), threat intelligence, and other teams to join forces and collaborate over the commonthreat response platform to deliver an effective response. Furthermore, threat response platforms drive security operations using real-time threat intelligence and security orchestration and automation technologies.
The threat response platforms enable security teams to handle threats before they are weaponized into cyberattacks. Once a threat becomes an incident, a different approach to response is required. Understanding threats and leveraging advanced frameworks enable cyber incident response companies to appropriately respond to them and also improve the sophistication of security teams.
Automation in Threat Response Platforms
Incident response focuses on four key areas—examining the “who, what, and where” of attacks, validating targeted system forensic reports, taking quarantine and containment actions, and tracking incident response KPIs. The focus on these areas helps security teams identify the infected users and the gravity of a threat. Furthermore, incident response assists in eliminating false positives and stopping the infections from unfurling and data from exfiltration.
However, in many organizations, incident response is a labor-intensive and time-consuming process. Often, the slow process turns into unpleasant bottlenecks such as determining high-value targets, collecting endpoint forensics, and managing investigations on each affected system. Repeating these mundane tasks for every incident can overburden even the best security team, therefore modernizing incident response with automation technology helps security teams execute response workflows across deployed technologies (on-premise and cloud) at machine speed, deriving better threat context with advanced analysis and making better decisions.
Security teams also need to promptly determine the internal users, departments, and groups that are affected. Understanding the “who” can help them prioritize high-value targets and the internal context, as well as external factors, can provide hints to suspicious domains or IPs in security alerts. All these factors are integrated into an automated response platform with the ability to import and utilize third-party incident intelligence to further automate analysis.
Cyware Threat Response Solution
CFTR is a comprehensive threat response platform designed to tackle all kinds of threats including malware, vulnerabilities, incidents, campaigns, and threat actors.
Powered with unique cyber fusion technology, CFTR correlates different threats and thereby provides greater visibility for an effective incident response process. In addition, it comes with dedicated modules for complete threat intelligence management, digital asset management, action tracking, and threat briefing management that are essential to incident handling at a macro level.
Want to be one of the best incident response companies and provide robust incident response service? Schedule a free demo today to learn more about incident response.
