SIEM Pros and Cons
SIEM solutions offer comprehensive visibility into current and historic network activity and support compliance efforts, making them an attractive option for large organisations with complex IT environments. However, they can be complex to implement and maintain in-house, requiring investment in resources and expertise.
Additionally, SIEM’s reliance on data analysis to detect threats can result in a high number of false positive alerts, potentially overburdening IT teams with unnecessary alerts. This is what we refer to as alert fatigue which can lead to a diminished ability to effectively react to an alert. This may require fine tuning and constant monitoring to filter and baseline normal behaviour and may not alert to threats that have not had a rule applied to create an alert.
Alternatively, some organisations may choose to outsource the management of their SIEM, to a service provider. This way all alerts are managed and filtered before reaching the organisation. This dramatically reduces the risk of false alerts and alert fatigue for internal teams.
MDR Pros and Cons
MDR services boast a proactive approach to threat detection and response, providing organisations with round-the-clock monitoring and access to specialised security experts without adding full-time staff and resources. This provides a complete solution to threat detection and response that improves threat response and decreases the time to detect breaches.
However, MDR services may not meet all compliance requirements, and log availability and retention to historic data may be limited and further investment may need to be made to ensure compliance needs.
Choosing Between SIEM and MDR: Factors to Consider
Selecting the right cyber security solution is a critical decision for any organisation. When choosing between SIEM and MDR, it’s essential to consider factors such as the size and complexity of your business, the resources you have available, and your specific security requirements.
A careful assessment of these factors can guide you towards an informed decision that best fulfils your organisation’s needs and enhances your security posture.
Business Size and Complexity
The size and complexity of your business play a crucial role in determining the most suitable cyber security solution. SIEM solutions are generally more scalable and cost-effective than MDR solutions, making them an attractive option for large organisations with complex IT environments when you can commit the resources to it.
However, MDR solutions may be more appropriate for organisations with more intricate security requirements, as they offer continuous threat monitoring and access to specialised security experts. Unlike a SIEM solution which requires a high level of technical expertise and understanding of the business infrastructure and networking to properly utilise, an MDR solution provides all this in one package.
The resources you have available for managing cyber security are another critical factor to consider when choosing between SIEM and MDR. Implementing and maintaining a SIEM solution can be costly and resource-intensive, requiring significant investment in hardware, software, and personnel training.
On the other hand, MDR services are typically offered as a subscription-based managed service, which may be more cost-effective and easier to implement for organisations with limited budgets and resources.
Specific Security Needs
Lastly, it’s essential to consider your organisation’s specific security needs when choosing between SIEM and MDR. SIEM solutions provide comprehensive visibility into network activity and support compliance efforts, making them an attractive option for organisations with stringent regulatory requirements.
In contrast, MDR services offer round-the-clock monitoring and access to specialised security experts, making them an ideal choice for organisations that require continuous threat detection, endpoint detection, and response capabilities.
Combining SIEM and MDR for Enhanced Cyber security
Organisations seeking to maximise their cyber security can combine SIEM and MDR, thereby drawing on the strengths of both solutions while mitigating their limitations.
With the comprehensive threat detection and response capabilities offered by SIEM and the round-the-clock monitoring and specialised expertise provided by MDR, organisations can create a robust security solution that is tailored to their unique needs and requirements.
How SIEM and MDR Complement Each Other
SIEM and MDR are complementary solutions that, when combined, provide comprehensive threat detection, response, and compliance support. SIEM excels in collecting and analysing log data, detecting threats in real-time, and providing compliance support.
In contrast, MDR provides continuous monitoring of threats, dedicated security experts, and guided response and remediation.
By capitalising on the strengths of both SIEM and MDR, organisations can craft a comprehensive and robust security solution that caters to their unique needs and requirements.
In conclusion, SIEM and MDR are both powerful cyber security solutions that offer unique benefits and address different challenges. By understanding the key features, pros and cons, and factors to consider when choosing between SIEM and MDR, organisations can make an informed decision that best fulfils their specific security needs.
Moreover, by combining SIEM and MDR, organisations can leverage the strengths of both solutions to achieve enhanced cyber security, ensuring that their networks and systems remain secure in the face of ever-evolving threats.
Aspire can help
With the threat landscape always changing, an effective cyber security strategy utilising the best and latest threat prevention technologies is vital to protect your organisation and clients.
At Aspire we help organisations stay ahead of emerging security threats. Our RealProtect Managed Cyber Security Services includes 24/7/365 managed detection and response and managed SIEM, via our UK-based Cyber Security Operations Centre.
Have any questions about any of our products? Contact us directly and one of our specialists will help.