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Security Information Event Management -SIEM
Security Information Event Management(SIEM) is a technology used in enterprise organizations to provide real time
reporting and long-term analysis ofsecurityevents. SIEM evolved from two previouslyseparate products:Security
Information Management(SIM) and Security Event Management(SEM). SIEM can be implemented as software,
integrated with Cisco Identity Services Engine (ISE) or as a managed service.
SIEM combines the essential functions ofSIM and SEM to provide:
 Forensic analysis – The ability to search logs and eventrecords from sources throughoutthe organization
provides more complete information for forensic analysis.
 Correlation – Examines logs and events from disparate systems or applications,speeding detection ofand
reaction to security threats.
 Aggregation - Aggregation reduces the volume of event data by consolidating duplicate eventrecords.
 Retention - Reporting presents the correlated and aggregated eventdata in real-time monitoring and long-term
summaries.
SIEM provides details on the source of suspicious activity, including:
 User information (name,authentication status,location,authorization group,quarantine status)
 Device information (manufacturer,model,OS version, MAC address, network connection method,location)
 Posture information (device compliance with corporate securitypolicy, antivirus version, OS patches,
compliance with mobile device managementpolicy)
Using this information,network securityengineers can quicklyand accurately assess the significance ofany security
event and answer the critical questions:
 Who is associated with this event?
 Is it an importantuser with access to intellectual propertyor sensitive information?
 Is the user authorized to access that resource?
 Does the user have access to other sensitive resources?
 What kind of device is being used?
 Does this event representa potential compliance issue?

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Security information event management

  • 1. Security Information Event Management -SIEM Security Information Event Management(SIEM) is a technology used in enterprise organizations to provide real time reporting and long-term analysis ofsecurityevents. SIEM evolved from two previouslyseparate products:Security Information Management(SIM) and Security Event Management(SEM). SIEM can be implemented as software, integrated with Cisco Identity Services Engine (ISE) or as a managed service. SIEM combines the essential functions ofSIM and SEM to provide:  Forensic analysis – The ability to search logs and eventrecords from sources throughoutthe organization provides more complete information for forensic analysis.  Correlation – Examines logs and events from disparate systems or applications,speeding detection ofand reaction to security threats.  Aggregation - Aggregation reduces the volume of event data by consolidating duplicate eventrecords.  Retention - Reporting presents the correlated and aggregated eventdata in real-time monitoring and long-term summaries. SIEM provides details on the source of suspicious activity, including:  User information (name,authentication status,location,authorization group,quarantine status)  Device information (manufacturer,model,OS version, MAC address, network connection method,location)  Posture information (device compliance with corporate securitypolicy, antivirus version, OS patches, compliance with mobile device managementpolicy) Using this information,network securityengineers can quicklyand accurately assess the significance ofany security event and answer the critical questions:  Who is associated with this event?  Is it an importantuser with access to intellectual propertyor sensitive information?  Is the user authorized to access that resource?  Does the user have access to other sensitive resources?  What kind of device is being used?  Does this event representa potential compliance issue?