Read PDF Network Intrusion Analysis: Methodologies, Tools, and Techniques for Incident Analysis and Response

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Part of this phase includes: Ensure your employees are properly trained regarding their incident response roles and responsibilities in the event of data breach Develop incident response drill scenarios and regularly conduct mock data breaches to evaluate your incident response plan.

6 Phases in the Incident Response Plan

Ensure that all aspects of your incident response plan training, execution, hardware and software resources, etc. Then the plan must be tested in order to assure that your employees will perform as they were trained. Have your security policies and incident response plan been approved by appropriate management? Does the Incident Response Team know their roles and the required notifications to make? Have all Incident Response Team members participated in mock drills? A breach, or incident, could originate from many different areas. How was it discovered?

Who discovered it? Have any other areas been impacted? What is the scope of the compromise? Does it affect operations? Has the source point of entry of the event been discovered? Containment When a breach is first discovered, your initial instinct may be to securely delete everything so you can just get rid of it. If you can, disconnect affected devices from the Internet. Have short-term and long-term containment strategies ready. This is also a good time to update and patch your systems, review your remote access protocols requiring mandatory multi-factor authentication , change all user and administrative access credentials and harden all passwords.

Has any discovered malware been quarantined from the rest of the environment? What sort of backups are in place? Does your remote access require true multi-factor authentication? Have all access credentials been reviewed for legitimacy, hardened and changed? Have you applied all recent security patches and updates? This means all malware should be securely removed, systems should again be hardened and patched, and updates should be applied.

Senior Cyber Security Incident Response/ Attack Analysis Technical Lead- VP

Whether you do this yourself, or hire a third party to do it, you need to be thorough. If any trace of malware or security issues remain in your systems, you may still be losing valuable data, and your liability could increase. Has the system be hardened, patched, and updates applied? Similarly for GCP, customers can use Cloud Security Command Center to gain visibility into their assets, vulnerabilities, risks, and policy across their organization. On their end, customers must properly configure security features to meet their own needs, install software updates, set up networking security zones and firewalls, and ensure that end users secure their account credentials and are not exposing sensitive data to unauthorized parties.

Figure 1 provides an illustrative example of how the responsibility shifts between the customer and Google based on the extent of managed services leveraged by the customer.

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As the customer moves from on-premises solutions to IaaS, PaaS, and SaaS cloud computing offerings, Google manages more of the overall cloud service, and the customer has fewer security responsibilities. For more information on cloud security configurations, customers should reference the applicable product documentation. Google's incident response program is managed by teams of expert incident responders across many specialized functions to ensure each response is well-tailored to the challenges presented by each incident.

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Depending on the nature of the incident, the professional response team may include:. Subject matter experts from these teams are engaged in a variety of ways. For example, incident commanders coordinate incident response and, when needed, the digital forensics team detects ongoing attacks and performs forensic investigations. Product engineers work to limit the impact on customers and provide solutions to fix the affected product s. Support personnel respond to customer inquiries and requests for additional information and assistance.

When we declare an incident, we designate an incident commander who coordinates incident response and resolution. The incident commander selects specialists from different teams and forms a response team.

  • Security incident definition;
  • Data incident response process | Documentation | Google Cloud;
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  • A typical response organization appears in Figure 2 below. The incident commander delegates the responsibility for managing different aspects of the incident to these professionals and manages the incident from the moment of declaration to closure. Figure 2 depicts the organization of various roles and their responsibilities during incident response. Early and accurate identification of incidents is key to strong and effective incident management.

    The focus of this phase is to monitor security events to detect and report on potential data incidents. Internal code reviews — Source code review discovers hidden vulnerabilities, design flaws, and verifies if key security controls are implemented. Usage anomaly detection — Google employs many layers of machine learning systems to differentiate between safe and anomalous user activity across browsers, devices, application logins, and other usage events.

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    Once confirmed, the incident is handed over to an incident commander who assesses the nature of the incident and implements a coordinated approach to the response. We designate a product lead and a legal lead to make key decisions on how to respond. The incident commander assigns the responsibility for investigation and the facts are assembled. Many aspects of Google's response depend on the assessment of severity, which is based on key facts that are gathered and analyzed by the incident response team.

    These may include:.

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    Events that present the most critical impact are assigned the highest severity. A communications lead is appointed to develop a communications plan with other leads. At this stage, the focus is on investigating the root cause, limiting the impact of the incident, resolving immediate security risks if any , implementing necessary fixes as part of remediation, and recovering affected systems, data, and services.

    Affected data will be restored to its original state wherever possible. Depending on what is reasonable and necessary in a particular incident, Google may take a number of different steps to resolve an incident. For instance, there may be a need for technical or forensic investigation to reconstruct the root cause of an issue or to identify any impact on customer data.

    Google may attempt to recover copies of the data from Google's backup copies if data is improperly altered or destroyed. A key aspect of remediation is notifying customers when incidents impact their data. If notifying customers is appropriate, the incident commander initiates the notification process. The communications lead develops a communication plan with input from the product and legal leads, informs those affected, and supports customer requests after notification with the help of our support team.

    Google strives to provide prompt, clear, and accurate notifications containing the known details of the data incident, steps Google has taken to mitigate the potential risks, and actions Google recommends customers take to address the incident. We do our best to provide a clear picture of the incident so that customers can assess and fulfill their own notification obligations. Following the successful remediation and resolution of a data incident, the incident response team evaluates the lessons learned from the incident.

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    When the incident raises critical issues, the incident commander may initiate a post-mortem analysis. In some cases, this may require discussions with different product, engineering, and operations teams and product enhancement work. If follow-up work is required, the incident response team develops an action plan to complete that work and assigns project managers to spearhead the long-term effort.