Security Information & Event Management

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Overview


SIEM : Security information and event management (SIEM) provides real-time analysis of security alerts generated by network hardware devices and applications. SIEM is not just a product or service, but is a correct combination of software, appliances or managed services, and report producing tools.

SIEM primarily deals with real-time monitoring, event correlation and notification, while providing long-term storage, analysis and reporting of log data. The key focus is to monitor and help manage user and service privileges, directory services and other system configuration changes; as well as providing log auditing and review and incident response.

Capabilities of SIEM solution


•   Data aggregation :Log management aggregates data from many sources, including network, security, servers, databases, applications, providing the ability to consolidate monitored data to help avoid missing crucial events.

•   Correlation :looks for common attributes, and links events together into meaningful bundles. This technology provides the ability to perform a variety of correlation techniques to integrate different sources, in order to turn data into useful information. Correlation is typically a function of the Security Event Management portion of a full SIEM solution.

•   Alerting :the automated analysis of correlated events and production of alerts, to notify recipients of immediate issues. Alerting can be to a dashboard, or sent via third party channels such as email.

•   Dashboards :Tools can take event data and turn it into informational charts to assist in seeing patterns, or identifying activity that is not forming a standard pattern.

•   Compliance :Applications can be employed to automate the gathering of compliance data, producing reports that adapt to existing security, governance and auditing processes.

•   Retention :Employing long-term storage of historical data to facilitate correlation of data over time, and to provide the retention necessary for compliance requirements. Long term log data retention is critical in forensic investigations as it is unlikely that discovery of a network breach will be at the time of the breach occurring.

•   Forensic analysis :The ability to search across logs on different nodes and time periods based on specific criteria. This mitigates having to aggregate log information in your head or having to search through thousands and thousands of logs.

SIEM Approach


While there are multiple tools such as Splunk, Arcsight etc, it takes more than just installing the tool. Our approach is as following :
•  Understand business and its security requirements
•  Understand existing IT network infrastructure
•   Decide log collection points
•  Select appropriate tool
•   Deploy and configure tool
•   Set procedures for right operations

What do you get?


SIEM implementation gives you a great insight into your daily logs being collected, which suddenly start making sense from security standpoint. It provides a unified way to create reports which are not only helpful for compliance, but also gain better control on IT security. Valency Networks has years of experience in the IT infrastructure and security domain, which is put together to create a customized SIEM solution.




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