Denis Fischer-IT Security Consultant
Check rate
Experience
IT Security Consultant
Logistikdienstleister
- Setting up a centralized security monitoring system (SIEM)
- Integrating and onboarding log sources (Windows, network, applications)
- Developing dashboards and alert structures
- Structuring data models for efficient analysis
IT Security Consultant
Dienstleistungsbranche
- Setting up security monitoring in Azure
- Analyzing user and access events
- Using Azure Defender and Log Analytics
- Defining and implementing alerting rules
IT Security Consultant
Finanzdienstleister
- Developing and optimizing analytic rules and detection use cases
- Adjusting KQL queries to reduce false positives
- Creating and enhancing workbooks to visualize security events
- Structuring and analyzing security incidents
- Contributing to the continuous improvement of detection strategies
IT Security Consultant
Pharmaindustrie
- Implementing a company-wide log management concept
- Defining relevant security log types
- Preparing audit reports
- Ensuring compliance requirements are met
IT Security Consultant
Mittelstandsunternehmen
- Assisting in analyzing security-related incidents
- Supporting the definition of incident-handling processes
- Creating simple process descriptions and checklists
- Participating in lessons-learned workshops
Industry Experience
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Experienced in Information Technology, Transportation, Professional Services, Pharmaceutical, and Banking and Finance.
Business Area Experience
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Experienced in Information Technology and Audit.
Summary
IT security since 2020: IT Security Consultant with a focus on SIEM, detection engineering, and security monitoring in cloud and hybrid IT environments. Experience in developing, implementing, and optimizing detection use cases, analytic rules, and alerting strategies in Microsoft Sentinel and Splunk. Specialized in log management, data integration, and analysis of security-relevant events to improve incident detection and reduce false positives. First hands-on experience in threat hunting through proactive analysis of log data and developing new detection approaches.
Skills
Antivirus (Microsoft Defender), Microsoft Windows Defender, Azure Advanced, Treat Protection (Atp), Splunk (Cloud)
Owasp
Aws Security
Dns (Windows), Dhcp (Windows), Monitoring
Windows, Debian/ubuntu, Active Directory, Azure Active Directory
Siem: Microsoft Sentinel, Splunk
Query Languages: Kql, Spl
Cloud: Azure, Aws
Security Tools: Defender, Atp
Systems: Windows, Active Directory
Scripting: Powershell (Basics)
Microsoft Office 365, Azure Active Directory, Azure Sentinel, Azure Eventhub, Microsoft Defender For Cloud, Azure Policies, Azure Diagnostic Settings & Log Analytics Workspace, Kql
Vpc, Ec2, Shield, S3, Cloudtrail, Cloudwatch, Lambda, Iam, Sns/sqs
Critical Infrastructure
Iso 27001
Bsi It Baseline Protection
Ethical Hacking – Hack The Box, Juice Shop, Portswigger
Bug Bounty Hunting – Hacker One
Languages
Education
Fa. Läpple
Industrial Mechanic · Germany
Statistics
Experience
Expertise
Profile
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