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Security Information and Event Management (SIEM) Software is a category of security software concerned with collating log and event data. A SIEM allows security analysts to look at a more comprehensive view of security logs and events that would be possible by looking at the log files of individual, point security tools. SIEM tools allow security analysts to gather and analyze logs and events from operating systems, applications, servers, network and security devices, intrusion management systems, etc.
SIEM is a management layer sitting on top of existing systems and security controls that unifies data from these disparate systems and allows them to be analyzed and cross-referenced from a single user interface.
Centralized event and log data collation
Log data correlation
Event and log normalization
Deployment flexibility
Integration with identity and access management tools
Custom dashboards and views
Host and network-based intrusion detection
The data that is collected and correlated are generally log files. Log management products were created many years ago to collect the large volumes of logs created by the various systems in a large enterprise data center. A large data center can produce terabytes of plain text log files. The volumes are such that it is extremely difficult to consume the data.
SIEM systems are designed to correlate a subset of the most important data, to highlight the most critical data. Unfortunately, the myriad operating systems and applications and servers all produce log files in a slightly different human-readable format, and these have to be normalized in machine-readable format that the SIEM can understand and parse.
One of the most difficult aspects of deriving value from a SIEM is the difficulty of tuning the system by balancing correlation rules that catch all possible attacks and do not produce too many false positives which can be very difficult to manage.
Pricing for SIEM software can vary widely from about $5k to over $100k, depending largely on the quantity of events and logs being monitored. In addition to software expense, the total cost of ownership will include maintenance, professional services, hardware, personnel, and training.
AlienVault USM Anywhere is a cloud-based security management solution that promises to accelerate and centralize threat detection, incident response, and compliance management for cloud, hybrid cloud, and on-premises environments. The vendor says that USM Anywhere includes purpose-built cloud sen...
Splunk is software for searching, monitoring, and analyzing machine-generated big data, via a web-style interface. It captures, indexes and correlates real-time data in a searchable repository from which it can generate graphs, reports, alerts, dashboards and visualizations.
LogRhythm, from the company of the same name in Boulder, Colorado, is security information and event management (SIEM) software.
SolarWinds LEM is security information and event management (SIEM) software.
OSSIM leverages the power of the AlienVault Open Threat Exchange by allowing users to both contribute and receive real-time information about malicious hosts. AlienVault OSSIM is an open source Security Information and Event Management (SIEM) product. It is a unified platform providing: Asset dis...
McAfee Enterprise Security Manager is security information and event management (SIEM) software, from McAfee / Intel Security.
Logz.io in Boston offers their enterprise-grade log analytics application, oriented towards providing data security and eliminating the need for capacity management.
BetterCloud is a SaaS Application Management and Security Platform that is designed to enable IT to centralize, orchestrate, and operationalize day-to-day administration and control for SaaS applications. The vendor says thousands of customers rely on BetterCloud to centralize data and controls, ...
Symantec Critical System Protection is endpoint security and antivirus software.
IBM Security QRadar is security information and event management (SIEM) Software.
RSA Security Analytics is security information and event management (SIEM) from RSA, EMC's security division.
RackFoundry Total Security Management offers a complete solution featuring powerful firewall, VPN, Intrusion Detection/Prevention, SIEM, automated vulnerability scanning and log management that is monitored by the vendor’s security operations center. According to the vendor, it is the first comp...
Trustwave SIEM, as the name would suggest, is security information and event management (SIEM) software, from Chicago-based Trustwave.
RSA enVision is security information and event management software from the security division of EMC.
Arcsight Enterprise Security Manager (formerly HP Arcsight) is security information and event management (SIEM) software, acquired from Hewlett-Packard Enterprise by Micro Focus.
Fortinet offers security information and event management via FortiSIEM, their product line featuring asset discovery and rapid assessment for location of threat and their remediation.
Israeli company ThetaRay offers security information and event management (SIEM) software.
Sqrrl, from the Cambridge, Massachusetts based company of the same name, is a security information and event management platform (SIEM).
LogLogic, now from TIBCO (since the 2012 acquisition), is security information and event management (SIEM) software.
NetIQ Sentinel is security information and event management (SIEM) from Houston-based NetIQ, part of Micro Focus.
