What’s the single most crucial factor in modern network security? Password management, data encryption, usage policies—each of these and nearly countless other elements all play a vital role in protecting your sensitive business and customer data from falling into unauthorized hands. But when it comes to effectively safeguarding your organization’s digital assets, there is no single ingredient quite as essential as visibility. Unfortunately, as network size and complexity continue to expand, achieving that essential visibility becomes ever more difficult.
Security information and event management (SIEM; pronounced “sim”) is designed to address this and similar issues by gathering, aggregating, categorizing, analyzing, and presenting log-security data from a diverse range of network sources. By bringing this information together into one security management system, SIEM provides IT and SecOps teams with the visibility they need to identify and respond to security threats in real time.
Simply put, SIEM puts network activity under a microscope, magnifying any activity that deviates from the norm and that might represent a potential breach-in-progress. This empowers organizations of all kinds to respond immediately to threats while maintaining strict data-compliance requirements.
Every action, event, or movement within a digital network creates data—even the most clandestine intruder leaves behind footprints. Where things become complicated is in how much data there is and determining which data could indicate an attack. SIEM applies predetermined rules to sift through the massive amounts of log data from host systems, software applications, and security devices and deliver the results to a single, centralized location for a holistic view of the organization's entire IT environment.
With the relevant security data fully categorized, security teams can then use SIEM tools to prioritize and investigate threats and respond to malicious activity before it can hamper business operations.
As networks continue to expand, they face almost constant assault from outside (as well as internal) security threats. SIEM gives your security teams clearer insight into what is happening within the network, allowing them to filter vast amounts of security log data to uncover any evidence of unauthorized access. This gives them the visibility to detect even the most subtle security incident, prioritize security alerts, and mitigate attacks much more quickly than otherwise possible.
This creates several noteworthy advantages for modern businesses.
Given that SIEM is designed to help optimize your entire network security posture, the benefits it represents are likewise extremely far-reaching. These include:
Visibility can make or break your organization’s security posture. But while visibility may be the single-most-important security element, it’s still only the first step. To effectively counter modern security threats, you need tools capable of immediate response, advanced automation, and accurate prioritization. ServiceNow provides has the answers:
ServiceNow Security Incident Response—a security orchestration and automation response (SOAR) solution—gives you the power to discover and cut out security threats immediately as they occur without risking the friction or human error that comes with manual handoffs across systems. Vulnerabilities Response creates additional opportunities for organizations to connect their response teams and focus on the most critical tasks involving security and IT departments. Together, these solutions are taking SIEM further than ever before.
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