While SIEM technology remains an important part of cyber security operations, many organisations are now finding that legacy platforms are becoming increasingly difficult to manage.
Growing volumes of security data, complex hybrid infrastructures and evolving cyber threats have exposed the limitations of traditional SIEM driven security operations.
For many organisations, this challenge becomes most visible when:
- alert volumes become unmanageable
- internal teams struggle to keep pace with investigations
- SIEM platforms become costly and complex to maintain
- platform changes or end of life timelines force a review
As a result, many organisations are reassessing their approach to security operations and exploring modern SOC models that combine advanced monitoring, automation and AI assisted investigation.
Why SIEM Platforms Became Central to Security Operations
Security Information and Event Management platforms were originally developed to centralise security data from across an organisation’s IT environment. SIEM tools collect logs from endpoints, servers, network devices and applications, then analyse that data to identify suspicious activity.
In traditional SOC environments, SIEM platforms act as the central monitoring engine for security data and alerts. Security analysts investigate alerts generated by the SIEM and determine whether they represent potential security incidents.
Platforms such as QRadar became widely used because they allowed organisations to centralise security monitoring and correlate events across multiple systems. However, the complexity of modern IT environments has placed increasing pressure on these platforms.
QRadar Changes and What They Mean for Security Teams
The security operations market is changing as vendors reshape their SIEM platforms.
In 2024, Palo Alto Networks acquired IBM’s QRadar SaaS assets, marking a significant shift in the direction of the platform. Following this, end of sale and end of life timelines were announced for QRadar SaaS, with services scheduled to reach end of life in April 2025.
While IBM continues to support the on premises version, these changes are prompting many organisations to reassess their long term SIEM strategy.
For organisations currently using QRadar or similar legacy SIEM platforms, this often becomes a trigger point to evaluate:
- the cost and complexity of existing SIEM deployments
- the efficiency of current investigation processes
- whether existing tools are delivering real security outcomes
The Growing Challenges of Legacy SIEM Platforms
Many organisations operating traditional SIEM driven environments are now facing a consistent set of operational challenges.
Alert Volume and Alert Fatigue
Modern infrastructures generate enormous volumes of security events. SIEM platforms can produce thousands of alerts each day, many of which are false positives.
Security analysts must investigate these alerts to determine whether they represent genuine threats. This process is time consuming and can lead to alert fatigue, where analysts struggle to prioritise genuine threats among large volumes of security alerts.
Increasing Operational Complexity
Legacy SIEM platforms often require significant configuration, tuning and ongoing management. Security teams must maintain detection rules, manage data ingestion and continuously adjust monitoring logic.
As organisations adopt cloud services, remote working models and hybrid infrastructure, maintaining effective SIEM monitoring becomes increasingly difficult.
Skills and Resource Constraints
Running a traditional SOC requires specialist expertise. Organisations must recruit and retain experienced security analysts capable of investigating threats and managing complex security platforms.
Many organisations struggle to maintain 24-hour monitoring capability or retain skilled security professionals. This can lead to gaps in security visibility and slower response times.
These challenges often result in organisations investing heavily in security tools without achieving effective detection and response outcomes.
When Organisations Start Replacing Legacy SIEM Platforms
In many cases, organisations do not proactively replace SIEM platforms. Instead, change is driven by specific events or pressures.
Common triggers include:
- SIEM platforms becoming too complex or costly to maintain
- End of life announcements or platform changes
- A penetration test highlighting gaps in detection capability
- A cyber incident exposing weaknesses in monitoring
- Internal teams unable to manage alert volumes effectively
At this point, organisations are not looking for more alerts. They are looking for a more effective way to detect and respond to threats.
Modernising Security Operations
As cyber threats evolve, many organisations are exploring modern approaches to security operations that reduce complexity and improve investigation speed.
Modern SOC environments increasingly combine several capabilities:
- Advanced detection technologies
- Automated threat analysis
- AI assisted investigation tools
- Experienced security analysts
This approach allows security teams to analyse threats more efficiently and focus on genuine risks rather than investigating large volumes of false alerts.
Automation and intelligent analysis can significantly reduce investigation time while improving the accuracy of threat detection. The focus shifts from collecting more data to improving how threats are identified, prioritised and resolved.
The Rise of AI Assisted Security Operations
One of the most significant developments in modern SOC environments is the use of AI assisted investigation technologies. These tools analyse suspicious files and behaviours automatically, helping analysts determine whether an alert represents malicious activity.
Automated analysis can identify known malware patterns, highlight suspicious behaviour and provide deeper insight into emerging threats.
By combining automated analysis with human expertise, SOC teams can prioritise genuine threats and respond more quickly to security incidents.
This approach allows organisations to manage increasing volumes of security alerts without dramatically expanding security teams. This allows organisations to scale security operations without significantly increasing internal resource or cost.
Why Many Organisations Are Reassessing Legacy SIEM Platforms
Many organisations that previously built security operations around traditional SIEM platforms are now reassessing whether those approaches remain effective. The combination of growing alert volumes, operational complexity and staffing challenges has highlighted the limitations of older SOC models.
Modern security operations strategies focus on improving investigation efficiency and reducing the operational burden on internal teams.
This often involves adopting managed SOC services that provide continuous monitoring, threat investigation and incident response without requiring organisations to operate complex security platforms internally.
From SIEM Complexity to SOC Outcomes
For many organisations, the challenge is no longer collecting security data, but turning that data into meaningful security outcomes.
Traditional SIEM platforms focus on data aggregation and alert generation. Modern SOC approaches focus on:
- reducing alert noise
- prioritising genuine threats
- accelerating investigation and response
- delivering clear, actionable insight
This shift is driving increased adoption of managed SOC services that combine technology, automation and expert analysis into a single operational capability.
Moving Towards Modern SOC Capability
As cyber threats continue to evolve, organisations require security operations capabilities that provide continuous monitoring, rapid investigation and coordinated response.
Modern SOC services combine monitoring technologies, AI assisted investigation and experienced security analysts to detect and respond to cyber threats more effectively. By adopting modern security operations approaches, organisations can improve threat detection while reducing the operational complexity associated with traditional SIEM platforms.
For many organisations reviewing legacy SIEM environments, modern SOC services provide a more scalable and efficient approach to protecting their digital infrastructure. This approach provides a more efficient path to achieving continuous monitoring, faster response and improved cyber resilience.
FAQs
QRadar is a Security Information and Event Management platform used to collect and analyse security logs from across an organisation’s IT environment. It helps security teams detect suspicious activity and investigate potential cyber threats.
Many organisations are reviewing legacy SIEM platforms because they generate large volumes of alerts and require significant operational management. Modern security operations approaches increasingly use automation and AI assisted investigation to improve efficiency and reduce alert fatigue.
SIEM platforms still play an important role in collecting and analysing security data. However, modern SOC environments often combine SIEM with automation, investigation tools and expert analysts to improve threat detection and response capabilities.
Modern SOC environments combine monitoring technologies, automated threat analysis and experienced security analysts to detect and respond to cyber threats. This approach improves investigation speed while reducing the operational burden on internal security teams.
Summary
Traditional SIEM platforms such as QRadar played an important role in the early development of security operations. However, as modern IT environments have become more complex and the volume of security alerts has grown significantly, many organisations are finding that legacy SIEM platforms are increasingly difficult to manage.
These challenges have led many security teams to reassess traditional SIEM centric security operations models. Instead of relying solely on large volumes of log data and manual investigation, modern SOC environments increasingly combine automation, AI assisted threat analysis and experienced analysts to improve threat detection and reduce investigation workload.
For organisations looking to strengthen cyber resilience while reducing operational complexity, modern SOC services provide a more scalable and effective approach to security operations.
For many, the conversation is no longer about improving SIEM performance, but about moving beyond SIEM led models towards a more efficient and outcome focused SOC capability.
You may be interested in Amicis Group’s Managed SOC Services page and our detailed post on SOC Cyber Security and our post on MDR vs SOC.
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