Incident Response management.
- IR is a structured methodology for handling cyber security incidents, breaches, and cyber threats.
- A well-defined incident response plan allows you to effectively identify, minimize the damage, and reduce the cost of a cyber-attack, while finding and fixing the cause to prevent future attacks.
- As the cyberattacks increase in scale and frequency, incident response plans become more vital to a company’s cyber defines.
- Target’s repeated failure to develop effective internal cyber security infrastructure made its 2013 hack considerably worse.
- Equifax’s decision not to share information with the public following its 2017 hack significantly hurt its brand. Effective incident response is critical, regardless of your industry.
Why Incident Response.
Here’s listing 3 Reasons Why You Need an Incident Response Plan
- Protect Your Data
- Protect Your Reputation & Customer Trust
- Protect Your Revenue
When reputation, revenue, and customer trust is at stake, it is critical that an organization can identify and respond to security incidents and events. Whether a breach is small or large, organizations need to have an incident response plan in place to mitigate the risks of being a victim of the latest cyber-attack.
Incident response enables an organization to be prepared for both the known and unknown and is a reliable method for identifying a security incident immediately when it occurs. Incident response also allows an organization to establish a series of best practices to stop an intrusion before it causes damage.
Incident Response Process
- Preparation : Preparation is fundamental to the success of an incident response program. Having the appropriate communications, facilities, hardware and software is a must to ensure the proper response. Key to this process is effective training to response to a breach and documentation to record actions taken for later review.
In order to successfully address events cyber security in USA, these features should be included in an incident response plan:
- Develop and Document IR Policies
- Define Communication Guidelines
- Incorporate Threat Intelligence Feeds
- Conduct Cyber Hunting Exercises
- Assess Your Threat Detection Capability
2. Identification and Scooping
Determining whether an event qualifies as a security incident.
In case a breach you should focus on answering questions such as:
- Who discovered the breach?
- What is the extent of the breach?
- Is it affecting operations?
- What could be the source of the compromise?
- Where in the kill chain is our incident
- The response actions depend on where in the kill chain the incident is.
For example: Recon activity is not seen as an incident typically. But when there is a repeated reconnaissance from a single source it would be a possible campaign in its early stages.
3. Containment and Intelligence Development
One of the first steps after identification is to contain the damage and prevent further penetration.
This can be accomplished by taking specific sub-networks offline
and relying on system backups to maintain operations. Your company will likely remain in a state of emergency until the breach is contained.
Many organizations don’t have a proper incident response in place and they directly jump over to the Remediation phase, which leads to no information of the attacker’s movement or strategies.
Intelligence development should be a continuous process just like Scoping. As this will determine the next course of actions to take by the IR team. If the attacker spreads to a new segment the containment actions would also change.
In simple terms, this phase means, Finding the root cause of the incident and removing affected systems from the production environment.
Basically this phase involves doing whatever is required to ensure that all malicious content is wiped clean from your systems. Make sure, though, that this is done without losing precious data in the bargain.
In this day and age, anybody can be attacked. But if you continue to
let any traces of malicious software or security problems fester in your system, the damage to your public reputation can be immense.
This can involve secondary monitoring to ensure that affected systems are no longer vulnerable to subsequent attack.
Eradication and Remediation are 2 different processes.
As SANs suggests, Remed
iation is a marathon, not a sprint like Eradication.
Remediation should generally consist of 3 steps, Short, medium and long term.
Medium and long term Remediation typically are part of the Recovery phase.
Of course, this will depend on whether the gaps in the systems have been patched up and how your business will ensure that these systems are not breached again.
This phase of the cyber incident response plan is critical because it tests, monitors and verifies the affected systems.
Without proper recovery, it would be very difficult to avoid another similar incident in the future. That, as we know, can prove to be disastrous for business operations and for the organisation’s public image.
Ensuring no threat remains and permitting affected systems back into the production environment.
Lessons learned post incident activity.
Yes, everyone can and will get breached. However, it is how we deal with the breach and what we learn from it that makes all the difference.
- Discuss how to improve future efforts in Incidence Response with all relevant members
- Documentation is key during all steps which can be used for future training.
- Discuss the shortcomings and what could be done differently
- Decide on new resources that can help in any such future incidents
- Update the Incident Response plan as per the new findings and analysis performed
- Appreciate, promote and train staff according to performance during an Incident Response as it goes a long way in shaping good team members.
Best Practices for Incident Management
- Assess the situation and identify the scope
- Gain visibility and restrict breach activity
- Preserve evidence and reduce overall risk
- Provide expert testimony and support for legal activities
- An overview of the plan.
- A list of roles and responsibilities.
- A list of incidents requiring action.
- The current state of the network infrastructure and security safeguards.
- The breach notification process.
- A list of follow-up tasks.
- A call list.
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We understand SMBs, SMEs and Startups have limited resources to spend into IT Security and Cyber Security can cost you fortunes for minimal resources in the United States.
Do I Implement Cyber Security for my SMB? Is that even a question! Anywhere anytime your SMB organization is exposed to Internet Cyber Security is a Necessity. DCS for SMB, DCS for Cyber Security is the Answer!