Digital Forensics Incident Response (DFIR) Plans

Digital Forensics Incident Response (DFIR) Plans

Formulating a DFIR Plan is the initial step in the overall process to effectively respond to a cyber incident.

Taking the time to develop a well thought out and carefully crafted DFIR Plan can often seem less essential than applying limited resources to more immediate operational needs. But when an incident occurs, the costs of being unprepared will be far greater than the time, effort and investment expended in developing a strong DFIR Plan.

According to NIST Special Publication 800-61, an incident response process contains seven steps broken into four main phases: preparation, detection and analysis, containment/eradication/recovery, and post-incident activity.

1. Prepare a. This initial phase is where preparatory measures are taken to ensure an efficient and effective response to incidents when they are discovered.

2. Detect & Analyze a. The second phase is where organizations should strive to detect and validate incidents rapidly as incursions can spread through an organization within a matter of minutes. Early detection can help an organization minimize the number of compromised systems, which will lessen the magnitude of the recovery effort and the amount of damage the organization sustains as a result of the incident.

3. Contain, Eradicate & Recover a. The third phase, containment, has two major components: stopping the spread of the attack and preventing further damage to systems. It is important for an organization to decide which methods of containment to employ early in the response. Organizations should have strategies and procedures in place for making containment-related decisions that reflect the level of risk acceptable to the organization.

4. Post-Incident Handling a. Because the handling of incidents can be disruptive, time consuming and expensive, it is particularly important for organizations to conduct a robust assessment of lessons learned after major incidents to prevent reoccurrence.

It is an unfortunate fact of life in today’s world that you will likely suffer a data breach, so it is absolutely essential to plan for one. Prepare for it, know what to do when it happens, and learn all that you can afterwards.

Contact us today at 818-290-3775 to discover how engaging the Maryman team of experts may assist you in preparing your DFIR Plans.
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