You have an endpoint protection solution, email security gateway, antimalware, and a plethora of other security tools at your fingertips. How do you make sense of it all, to see the whole picture? The simple answer is a SIEM or Security Information and Event Management. A SIEM solution takes all the data generated by your various security tools and correlates it. It processes the events and allows you to take reign over protections and focus areas. A SIEM is as powerful as you can make it and can be invaluable to your organizations preparedness to respond, mitigate, and prevent cyber-attacks.
To quote Gartner
“Security information and event management technology supports threat detection, compliance and security incident management through the collection and analysis (both near real time and historical) of security events, as well as a wide variety of other event and contextual data sources. The core capabilities are a broad scope of log event collection and management, the ability to analyze log events and other data across disparate sources, and operational capabilities (such as incident management, dashboards and reporting).”
There are a few key factors to consider:
There are both opensource and paid varieties of exists a variety of SIEM software platforms. Each has their own pros and cons.
SIEM is a slow process which requires the creation of automated logs. This process can take several weeks before your organization sees “the big picture.”
Fine Tuning the SIEM
Expect to fine tune your approach and plan of action to cybersecurity. Implementing a SIEM is about identifying malicious patterns and building defenses against them.
Maintain a realistic expectation
With proper expectations, you can learn and take advantage of SIEM software/services and set goals for your business.
Things to look out for in a solution:
An Efficient Events Feed
A good SIEM platform can identify entities (Ips, Web sites, Machines) associated with malicious attacks. Efficient and effective cybersecurity requires the latest data to prevent attacks; a SIEM should have this quality as an integral part of their solution.
A SIEM service should have the ability to acquire additional data about security events beyond log compilation. The forensics capabilities of a SIEM will vary based on the service itself, but any additional information is useful. For example, details like extra network information such as the origin of said traffic, or details about how said traffic was created. The ability of the SIEM tool to ingest and correctly process varieties of data from a variety of sources is important.
Ease of Deployment and Resource Utilization
A SIEM needs the cooperation of various departments within an organization to run successfully. The simpler the deployment process, the easier it will be to get collaboration between those the department. Also, better resource utilization is an important factor when it comes to choosing the right SIEM.
SIEM solutions work differently based on the size of the organization. It’s important to identify how the resources scale to best make use of them. Identify what you need to process and what you would like covered. You don’t want to spend more or less than what’s needed.
Easy to Use.
Never underestimate the value of a convent user interface. Ease-of-use allows management and cybersecurity specialists alike to access SIEM tools without navigating a maze of a UI. Since cybersecurity thrives on timely and accurate responses, it’s important to navigate program tools as efficiently as possible.
A SIEM service should also provide an extensive log report covering multiple facets of an organization. For example, systems used for accounting or management. All logs should be in coherent format, as data by itself is useful. This format should be usable by all relevant departments as enable them to act on the data presented.
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