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    Home » A look at SIEM: 6 key benefits for your IT security
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    A look at SIEM: 6 key benefits for your IT security

    By Miurio HuangAugust 6, 2024No Comments3 Mins Read
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    • Security Information and Event Management (SIEM) systems offer a comprehensive solution for managing and analysing security data across an organisation. 
    • By integrating real-time monitoring, advanced analytics, and automated response capabilities, SIEMs provide critical benefits that enhance an organisation’s security posture. Here’s a closer look at the key benefits of using a SIEM, illustrated with real-world cases:

    1. Centralised security monitoring

    SIEM systems aggregate and centralise logs and events from various sources, including servers, network devices, and applications. This consolidation enables a unified view of security events and threats.

    Target Corporation faced a massive data breach in 2013 due to inadequate monitoring. After the breach, Target implemented a SIEM system to consolidate security data from various points in its network. This centralised approach helped the company detect anomalies more effectively and respond to potential threats in real time.

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    2. Real-time threat detection

    SIEMs use advanced correlation rules and analytics to identify suspicious activities and potential threats as they occur, allowing for rapid response.

    Sony Pictures Entertainment experienced a significant cyberattack in 2014. The SIEM system in place helped the organisation detect the intrusion as it was happening by identifying unusual network traffic patterns. This early detection was crucial in mitigating the impact and understanding the scope of the breach.

    3. Enhanced incident response

    By automating alerting and response procedures, SIEM systems streamline the incident response process, reducing response times and minimising damage.

    University of California, Berkeley utilises a SIEM to enhance its incident response capabilities. When a potential breach is detected, the SIEM triggers automated responses such as isolating affected systems and alerting the security team, which significantly accelerates the response process and helps contain incidents quickly.

    4. Regulatory Compliance

    SIEM systems help organisations meet various regulatory requirements by providing comprehensive log management, audit trails, and reporting capabilities.

    Equifax, following its 2017 data breach, improved its compliance posture by deploying a SIEM system. The system provided detailed logs and reports required for compliance with regulations like GDPR and PCI-DSS, ensuring that Equifax could meet audit and reporting requirements more efficiently.

    5. Advanced Analytics and Forensics

    SIEMs use advanced analytics, including machine learning and behavioral analysis, to detect sophisticated threats and provide forensic insights into security incidents.

    FireEye, a cybersecurity company, leverages its own SIEM technology to perform advanced threat analytics. During the SolarWinds cyberattack, FireEye’s SIEM identified and analysed unusual patterns of activity, helping to uncover the extent of the compromise and providing valuable insights into the attackers’ methods.

    6. Improved Visibility and Reporting

    SIEM systems offer detailed dashboards and reports that provide visibility into security posture and help in identifying trends, potential vulnerabilities, and areas for improvement.

    IBM uses its QRadar SIEM to offer clients detailed visibility into their security landscape. Through real-time dashboards and customisable reports, organisations can monitor security events more effectively and gain actionable insights into their security posture.

    Conclusion

    A SIEM system is a powerful tool for enhancing an organisation’s security infrastructure. By providing centralised monitoring, real-time threat detection, enhanced incident response, regulatory compliance, advanced analytics, and improved visibility, SIEMs play a crucial role in defending against and managing security threats. The real-world examples illustrate how SIEM systems can significantly improve an organisation’s ability to detect, respond to, and manage security incidents effectively.

    Equifax FireEye Sony Pictures Entertainment Target Corporation
    Miurio Huang

    Miurio Huang is an intern news reporter at Blue Tech Wave media specialised in AI. She graduated from Jiangxi Science and Technology Normal University. Send tips to m.huang@btw.media.

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