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Vendor Landscape: Security Information & Event Management

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Be clear about the impact of SIEM-enhanced security visibility<br />

Be prepared for dealing with issues and events that you might have been<br />

unaware of without SIEM.<br />

1. Pre-SIEM: <strong>Information</strong> risks and associated security<br />

management costs increase over time as new threats<br />

appear.<br />

2. Immediately Post-SIEM: Increased visibility into extant<br />

threats results in increased cost of managing those<br />

threats – ignorance can no longer justify inaction.<br />

• Per event/incident costs will decline through earlier<br />

detection opportunities and investigation efficiencies<br />

provided by the SIEM tool.<br />

• Since those threats always existed, and are now being<br />

acted upon, overall risk begins to decline.<br />

• As SIEM-based efficiencies are realized, the cost of<br />

managing visible threats returns to baseline levels.<br />

3. Long-Term Post-SIEM: Both risk and security costs can<br />

be driven down further through feedback from SIEM into<br />

technical and procedural controls.<br />

SIEM’s Impact on Risk and Cost Over Time<br />

Info-Tech Research Group<br />

11

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