Managed Detection and Response (MDR) Service

Detect and Successfully Defend Against Attacks

Cyberattacks often occur outside of business hours, use legitimate identities, and can therefore remain undetected for a long time. Managed Detection and Response addresses this issue head-on. Security-related signals are analyzed around the clock, incidents are detected early, and targeted containment measures are taken. Companies do not need to set up their own emergency response team for this. An MDR service in Germany provides clear processes, reliable response times, and greater security during day-to-day operations.

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Identity Fraud and Remote Encryption as Key Risks

Business Email Compromise can exploit valid sessions and thereby bypass MFA. Remote ransomware can encrypt files via shared resources, often without leaving clear traces. Without continuous monitoring and rapid response, the risk to data, systems and business operations increases.

Attack Scenarios in Microsoft 365

BEC through compromised sessions despite MFA
Manipulation through hidden inbox rules
Remote ransomware via SMB shares
Security gaps caused by unmanaged devices
Attacks outside business hours
Delayed response without real-time intervention

Why Managed Detection and Response Makes the Difference

MDR combines monitoring, assessment and response. Security-relevant signals from identities, Microsoft 365 and endpoints are analysed around the clock.

From Detection to Immediate Action

When specific threats are identified, immediate measures can be initiated, such as terminating sessions, blocking accounts or isolating affected systems. This enables companies to shorten response times and reduce the risk of more extensive damage.

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Measurable Benefits with Managed Detection and Response

Managed Detection and Response turns security alerts into concrete action. Threats are detected and contained more quickly, reducing downtime, consequential damage and recovery efforts.

Respond Faster, Limit Damage

Critical incidents are assessed and contained immediately.
Continuous monitoring reduces the time attackers can remain undetected.
Compromised sessions can be terminated and manipulated inbox rules removed.
Encryption activities are detected and affected files can be restored more quickly.

Examples of Potential Cost Savings

Ransomware

Assuming recovery costs of €1.3 million, a 30 percent reduction in losses equates to approximately €390,000 in avoided costs.

BEC and payment fraud

For example, if a fraudulent payment of €120,000 is stopped in time, this loss is immediately prevented.

Shorter Downtime

If the response time is reduced from four hours to twelve minutes, approximately €38,000 can be saved per incident, assuming downtime costs of €10,000 per hour.

No Need for an In-House 24/7 On-Call Team

Companies gain continuous responsiveness without having to set up a full shift schedule themselves.

Maximilian Porzelt

Working with Medialine was straightforward and a complete success. I particularly appreciate that POWER-CAST’s requirements were taken into account at all times. Instead of an isolated solution, Medialine was able to provide us with a centralised antivirus solution offering the right balance of price and performance.

Mario Voss, Senior Vice Presiden IT & Prozesse

Head of Central IT
POWER-CAST Kopf Gruppe, Kirchheim/Teck

Martin Treu

I can highly recommend both Medialine and Network Box as a Medialine partner. You can clearly see that they have strong expertise in the security field while also taking an individual approach to each customer’s specific requirements. I would definitely turn to Medialine again in the future.

Head of IT
IB Südwest gGmbH, Darmstadt

Why Medialine Is the Right Partner for MDR

With Medialine, MDR is not an isolated solution but an integral part of your security strategy. We monitor your environment around the clock, assess suspicious activity and can respond immediately in the event of an incident, for example by terminating sessions, blocking accounts or isolating affected systems. Implementation follows a structured approach with workshops and a coordinated onboarding process. Depending on your requirements, the service model ranges from detection only and active containment through to proactive threat hunting. Existing Microsoft 365 structures can continue to be used without the need for fundamental changes to your infrastructure.

Three Service Levels for Your MDR Protection

Our Managed Detection and Response service is structured across three service levels. This allows you to start with the level of protection that best fits your needs and expand it as required.

Level 1: Threat Detection & Reporting

Monitor 24/7. Assess Alerts. Report Clearly.

This service begins with a comprehensive onboarding workshop in which our experts analyse your network and specific requirements. We then implement powerful threat detection technology from leading security vendor Sophos, continuously monitoring your systems and devices to identify potential threats. You benefit from detailed activity reports that provide a comprehensive overview of your infrastructure’s security status.

The integrated technology uses advanced techniques such as deep learning to detect even unknown malware and sophisticated attacks. At this first service level, you receive a robust security foundation as well as 2nd-level support from our experienced team, helping to ensure that your organisation remains protected against the latest cyber threats.

Level 2: Active Threat Mitigation

Isolate Endpoints. Block Connections. Reduce Risk.

The second level of our MDR service provides a comprehensive security enhancement that significantly strengthens your ability to combat cyber threats. At this stage, our experts take a more active role in protecting your environment. When necessary, we isolate endpoints to prevent threats from spreading and block network connections at the firewall level to protect your infrastructure. Our team also supports you in setting up integration packs to optimise your security solutions and performs regular health checks to ensure the integrity and security of your endpoints.

A dedicated team analyses and assesses security events, identifies potential vulnerabilities and reviews and adjusts security policies on a quarterly basis to keep pace with the constantly evolving threat landscape. The service is complemented by support in both English and German.

Level 3: Proactive Threat Defence

Threat Hunting. Root Cause Analysis. Application Control.

At the most comprehensive level of our MDR service, your cybersecurity posture is strengthened proactively. We introduce Managed Application Control, a powerful capability that controls which applications can run on your endpoints, thereby reducing the potential attack surface. We also perform security scans as required to identify and remediate vulnerabilities. Our Threat Hunting team proactively searches your systems for potential threats, while Root Cause Analysis helps identify and address the underlying causes of security incidents.

You also gain access to our SOC team, which supports you in navigating the complex cybersecurity landscape. This service level provides the highest degree of proactive protection, helping your organisation strengthen its resilience against even highly sophisticated cyber threats.

Certifications and Partner Status

Our certifications and partnerships represent verified standards, technological expertise and close collaboration with leading technology vendors.

ISO/IEC 27001: This certification confirms a structured information security management system based on internationally recognised standards.
Microsoft Solutions Partner: As a Microsoft partner, we have proven expertise in key solution areas such as Security and Modern Work.
Sophos Platinum Partner: This partner status highlights our extensive expertise in Sophos solutions for MDR, Endpoint Security, Email Security and Advisory Services.
NVIDIA Preferred Partner: This partnership complements our expertise in high-performance IT infrastructures and scalable platforms for AI and High Performance Computing.

Team & Expertise Behind the Solution

Managed Detection and Response at Medialine Security is backed by an interdisciplinary SecOps team of analysts, threat hunters and incident responders. The team monitors, correlates and responds 24/7, following clearly defined runbooks for Microsoft 365/BEC scenarios and remote ransomware. Support is available in both German and English, with clearly documented response procedures. As a security partner, Medialine provides scalable protection for organisations of all sizes, including continuous support and reporting.