Splunk security essentials use cases


  • Splunk Users Group: Splunk Security Essentials and MITRE ATT&CK
  • Splunk ES Implementation Checklist
  • Splunk To Increase Detection And Investigation Capabilities Using Advanced Analytics
  • Bolster Security with Splunk
  • Splunk Users Group: Splunk Security Essentials and MITRE ATT&CK

    It becomes challenging to detect unseen, secret, and internal menaces for an experienced security analyst. While standard security tools focused on noted and defined regulations and are likely to identify known threats, yet they may not adequately address emerging challenges to the security environment, such as insider threats, night-time assaults, malware movement laterally and vulnerability accounts.

    Besides, Security Operation Centre is constantly filled with warnings signs while most of which are false.

    So now the safety teams need to react in a changing threat climate by adding new analytical skills that help them better to see potential threats. For this, manifolds of the security centre have started to take help of Splunk. It is based on a significant data architecture that offers superior clarity and scope in all data related to protection and is extended to provide in-depth, realistic perspectives in the business context.

    Splunk User Behavior Analytics UBA is an innovative learning tool that detects unknown threats and uneven behavior across users, endpoint applications, and devices. Splunk UBA can automatically help find hidden dangers. Thanks to its advanced use of machine learning.

    It has given security analysts a way to stay ahead and respond more quickly to cyberattacks and insider threats. Although, advanced analytics is the foundation for security operations that enables capabilities such as threat and vulnerability management, advanced threat detection, incident prioritization, investigating and threat hunting.

    Because you can build baselines and models to better address inconsistencies. Splunk Enterprise enables you to tackle immediate and current security needs and evolves with your team on the arrival of fresh security problems.

    Analytics-Driven Security The Splunk Project streamlines the security essentials analysis process and offers a variety of predictive tools to provide the correct details at the right moment to the right teams; especially in the event when it becomes essential to find out and respond promptly. Security Analytics Cycle The Splunk security analysis period is the continuing planning, implementation management, reviewing and reporting phase.

    To share IOCs, investigation notes, analysts operate from a common data set and network. Data Exploration Splunk lets you index, capture, and perform machine data navigation without preceding data or incident knowledge. This advances insights of the human, and by keeping track of searches, speeds up actions and data exploration devoid of the need to track in separate tools or open multiple tabs.

    Real-Time Correlations Analytics and real-time correlations help settle if compound events are interrelated to the similar incident. Performing analytics and looking at all the data enables teams for security to get an improved vision of their whole infrastructure and take steps to diminish the threat.

    You can also know about : Splunk for Privileged User Account Monitoring Alerts and Reports Incident warnings and notifications will ensure full awareness and sharing of information across the entire organization so that the security team has the opportunity to stop the intrusion and mitigate risks with informed decisions.

    Information Sharing Info-sharing provides end-to-end insight through infrastructures and networks and helps to come across better decisions based in real-time. Setting a base management becomes more comfortable to concentrate and focus on performance. The entire credit goes to Splunk advanced analytics that strengthens the level of security.

    Splunk ES Implementation Checklist

    This not only inundates security teams, but makes it next to impossible to identify and prioritize security events. Making this your single pane of glass and sending all of your security tools to it will exponentially increase the efficiency of your SOC team, even without the use of a SOAR tool.

    What is this Common Information Model that I keep hearing about? Now, the next step in the process is normalizing that data and making it to where Enterprise Security will be able to read it. This includes the data normalization. The way Splunk normalizes data is via the Common Information Model.

    And we do this at search time, so it does not require any changing of your data before it is written to disk. But essentially, CIM is nothing more than data models and data sets. In these models are data sets that are made up of very specific field values. When you find a TA on Splunkbase you are interested in, take a look at the right side of the page and look to see if there is a CIM version listed.

    If there is, then you know the add-on will handle your CIM mapping for you. If it does not, then you will need to handle all of your CIM mapping manually. If you need more information on how to CIM map your data, head over to check out our quick start guide here. If you follow the below checklist, it will help ensure you are prepared to implement Enterprise Security.

    Detection without response is useless. So, enabling use cases in ES Correlation Searches with no plan as how an analyst will react will more than likely leave you with untriaged notable events. Follow the below steps to ensure ES will be a critical tool of your Operations, and not just another checkbox added to the list of security tools your team owns. Security Policy This should absolutely drive the implementation of every use case you implement in ES.

    Compliance and Security Framework If you have not already, identify any form of compliance that you are obligated to follow i.

    Data Inventory Do this prior to your consultant arriving onsite. Take an inventory of your security stack, document what your posture looks like. The biggest mistake I see almost every customer make, is not having a rhyme, reason, or plan to their use case enablement. More often than not, they will decide on what sounds cool instead of following some kind of plan around what to enable and how to prioritize events. The biggest mistakes we see when customers go through use case enablement in any SIEM are: 1.

    Too many correlation searches enabled for the given size of the server 2. Too many correlation searches enabled for the given size of the security team detection without response, anyone? Enabling correlation searches that there is no data available for to satisfy Customers often love the idea of use cases that require Sysmon or an EDR solution with no plans to collect that data This wastes a search slot on your server 4.

    Enabling correlation searches that have no policy backing the enforcement of E. Concurrent logins detected. This is common occurrence for IT personnel unless there is a policy saying otherwise. The key here is to remember that use case enablement should be purpose driven, planned out, and actionable. And the numbers of notables need to be manageable for the size of the security team. This can relate to tuning of the rules, but also to the amount of use cases that are being monitored.

    We need to try and correct and that average and not add to it. And it starts with planning your use case enablement and sizing your team accordingly. Our certified Splunk Architects and Splunk Consultants manage successful Splunk deployments, environment upgrades and scaling, dashboard, search, and report creation, and Splunk Health Checks.

    Aditum also has a team of accomplished Splunk Developers that focus on building Splunk apps and technical add-ons.

    Splunk To Increase Detection And Investigation Capabilities Using Advanced Analytics

    Not only does it provide you with the SPL search processing language search string, but it also utilizes sample data to show you what the results will look like if you have matches in your environment relevant to the particular use case.

    My personal favorite feature is the data check. The Security Essentials app will actually search through your data and tell you if you have ingested the right data sources to satisfy each use case. This is great because it provides you with a simple path to help you mature not only your Splunk environment but also your security posture as an organization because it will help you identify gaps in your network security that you may not be aware of!

    Security Essentials identifies use cases that some of these premium apps may satisfy and it clearly identifies them which will help you get an idea of what those apps may offer. These contextual alerts are one of my favorite aspects of ES because not only is each environment different, but no environment is stagnant.

    They are always changing. These contextual searches baseline your environment and they adapt and change with what is happening across your organization. What I cannot stress enough about our cycle mentioned above, is that you cannot skip through the process. A solid core Splunk infrastructure is essential to make any of this work and trying to rush through the maturation process will leave you with a halfway working shelf ware product long before you will ever fully reap the benefits.

    Splunk Enterprise enables you to tackle immediate and current security needs and evolves with your team on the arrival of fresh security problems. Analytics-Driven Security The Splunk Project streamlines the security essentials analysis process and offers a variety of predictive tools to provide the correct details at the right moment to the right teams; especially in the event when it becomes essential to find out and respond promptly.

    Security Analytics Cycle The Splunk security analysis period is the continuing planning, implementation management, reviewing and reporting phase. To share IOCs, investigation notes, analysts operate from a sakshi cartoon data set and network. Data Exploration Splunk lets you index, capture, and perform machine data navigation without preceding data or incident knowledge.

    Bolster Security with Splunk

    This advances insights of the human, and by keeping track of searches, speeds up actions and data exploration devoid of the need to track in separate tools or open multiple tabs. Real-Time Correlations Analytics and real-time correlations help settle if compound events are interrelated to the similar incident.

    Performing analytics and looking at all the data enables teams for security to get an improved vision of their whole infrastructure and take steps to diminish the threat.

    You can also know about : Splunk for Privileged User Account Monitoring Alerts and Reports Incident warnings and notifications will ensure full awareness and sharing of information across the entire organization so that the security team has the opportunity to stop the intrusion and mitigate risks with informed decisions. Information Sharing Info-sharing provides end-to-end insight through infrastructures and networks and helps to come across better decisions based in real-time.

    Setting a base management becomes more comfortable to concentrate and focus on performance. The entire credit goes to Splunk advanced analytics that strengthens the level of security.


    thoughts on “Splunk security essentials use cases

    • 06.08.2021 at 06:13
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      I apologise, but, in my opinion, you are mistaken.

      Reply

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