Preserve traces. Investigate incidents. Build trust.
IT Forensics
Digital traces are the key to investigating cyberattacks and IT security incidents. Our IT forensics experts support you in evidence preservation, analysis, and prevention — for maximum transparency and security.
- ✓Rapid and legally defensible preservation of digital evidence
- ✓In-depth analysis of attack patterns and vulnerabilities
- ✓Support for internal and external investigations
- ✓Prevention through derivation of measures and lessons learned
Your strategic success starts here
Our clients trust our expertise in digital transformation, compliance, and risk management
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For optimal preparation of your strategy session:
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- Desired business outcomes and ROI
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Certifications, Partners and more...
Asan Stefanski, Director, ADVISORI FTC GmbH
Our Strengths
- Experienced IT forensics and incident response experts
- Latest tools and methods for evidence preservation and analysis
- Legally defensible documentation and support for investigations
- Rapid deployment readiness and discreet handling
⚠
Expert Tip
In an emergency, every minute counts: swift action and professional evidence preservation are critical for the successful investigation of IT security incidents. Train your team and keep emergency plans ready to be optimally prepared when it matters.
ADVISORI in Numbers
11+
Years of Experience
120+
Employees
520+
Projects
Our IT forensics follows a structured, legally defensible process that is individually tailored to your organization and the specific incident.
Our Approach:
Immediate preservation and collection of digital evidence
Forensic analysis and evaluation of data
Documentation and reporting for management and authorities
Support for internal and external investigations
Derivation and implementation of preventive measures
"IT forensics is the key to investigating and preventing cyberattacks. Those who are prepared and act swiftly can limit damage, preserve evidence, and strengthen the trust of all stakeholders."
Sarah Richter
Head of Information Security, Cyber Security
Expertise & Experience:
10+ years of experience, CISA, CISM, Lead Auditor, DORA, NIS2, BCM, Cyber and Information Security
Our Services
We offer you tailored solutions for your digital transformation
Evidence Preservation & Analysis
Legally defensible preservation and analysis of digital traces for investigating IT security incidents.
- Immediate preservation of data and systems
- Forensic analysis and evaluation
- Legally defensible documentation
- Support for investigations and proceedings
Prevention & Consulting
Derivation and implementation of measures for the prevention and improvement of your IT security.
- Analysis of vulnerabilities and attack vectors
- Consulting on emergency plans and preventive measures
- Training and awareness measures
- Support for the implementation of measures
Looking for a complete overview of all our services?
View Complete Service OverviewOur Areas of Expertise in Information Security
Discover our specialized areas of information security
Frequently Asked Questions about IT Forensics
What is IT forensics and when is it used?
IT forensics is the systematic preservation, analysis, and evaluation of digital evidence following IT security incidents or cyberattacks.
🔍 Objectives:
•
Investigation of attacks and incidents
•
Legally defensible evidence preservation
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Support for internal and external investigations🕵️
♂ ️ Areas of application:
•
Cyberattacks (e.g. malware, ransomware)
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Data loss or theft
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Suspected insider threatsIT forensics creates transparency, protects company assets, and is often a prerequisite for legal action.
How does a professional IT forensic investigation proceed?
An IT forensic investigation follows a structured process:
🚨 Immediate measures:
•
Preservation of affected systems and data
•
Prevention of alterations to evidence
🔬 Analysis:
•
Evaluation of digital traces (e.g. log files, hard drives)
•
Identification of attack vectors and perpetrators
📝 Documentation:
•
Legally defensible recording of all steps
•
Preparation of reports for management and authoritiesA professional process is critical for the evidentiary value and successful investigation.
What tools and methods are used in IT forensics?
IT forensics uses specialized tools and methods for evidence preservation and analysis.
🛠 ️ Tools:
•
Forensic software (e.g. EnCase, FTK, X-Ways)
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Imaging tools for data preservation
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Log and network analysis tools
🔬 Methods:
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Bit-accurate copies (images) of storage media
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Timeline analyses and recovery of deleted data
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Correlation of events and tracesThe right tool selection and methodology are critical to the quality of results.
Why is legally defensible documentation so important in IT forensics?
Legally defensible documentation is the foundation of every IT forensic investigation.
📑 Benefits:
•
Proof of the integrity and authenticity of evidence
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Support for investigations and court proceedings
•
Protection against allegations of tampering
📝 Best practices:
•
Complete recording of all measures
•
Use of hash values for integrity verification
•
Ensuring traceability for third partiesOnly with legally defensible documentation can evidence be used in court.
How is digital evidence preserved in IT forensics?
The preservation of digital evidence is carried out in accordance with strict forensic standards.
🔒 Measures:
•
Creation of bit-accurate copies (images) of storage media
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Use of tamper-proof storage media
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Documentation of the chain of custody
🛡 ️ Objective:
•
Ensuring the integrity and authenticity of evidence
•
Traceability for investigators and courtsOnly with professional preservation can digital evidence be used in court.
What role does cooperation with authorities play in IT forensics?
Cooperation with authorities is often essential in serious incidents.
🤝 Benefits:
•
Support for investigations and prosecution
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Access to additional resources and specialist knowledge
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Legal certainty in evidence preservation
🔗 Best practices:
•
Early involvement of authorities
•
Clear communication and documentation
•
Compliance with legal requirementsClose cooperation increases the investigation success rate and protects the company legally.
How are insider threats investigated forensically?
Insider threats require particular care in IT forensics.🕵️
♀ ️ Measures:
•
Analysis of access logs and user activities
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Review of permissions and data movements
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Ensuring discretion and data protection
🔍 Special considerations:
•
Collaboration with HR and compliance
•
Use of monitoring and DLP toolsA structured approach minimizes risks and protects sensitive information.
What challenges exist in IT forensics in cloud environments?
Cloud forensics places particular demands on methods and tools.
☁ ️ Challenges:
•
Limited access to physical systems
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Dependency on cloud providers
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Complex data structures and distribution
🛠 ️ Approaches:
•
Use of cloud-specific forensic tools
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Clear agreements with providers (SLAs)
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Documentation of all accesses and measuresGood preparation is the key to successful cloud forensics.
How are mobile devices examined in IT forensics?
Mobile forensics is a specialized area of IT forensics and requires specific tools and methods.
📱 Procedure:
•
Securing the device in airplane mode
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Creation of forensic images (e.g. using Cellebrite, XRY)
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Analysis of apps, messages, and location data
🔒 Challenges:
•
Encryption and device locks
•
Different operating systems and file systemsMobile forensics often provides critical evidence in incidents and investigations.
What is the significance of timeline analysis in IT forensics?
Timeline analysis is a central tool for reconstructing incidents.
⏳ Benefits:
•
Chronological representation of all relevant events
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Identification of attack paths and perpetrator activities
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Evidence of tampering or data exfiltration
🛠 ️ Tools:
•
Plaso, log2timeline, X-Ways ForensicsA precise timeline analysis increases evidentiary value and supports investigation.
How is deleted or encrypted data forensically recovered?
The recovery of deleted or encrypted data is an important component of IT forensics.
🧩 Methods:
•
Analysis of file systems and storage areas
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Use of specialized recovery tools
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Brute-force or dictionary attacks for encryption
🔐 Challenges:
•
Modern encryption can complicate recovery
•
Swift action increases the chances of successProfessional forensic investigators maximize the chances of data recovery.
How is the integrity of evidence ensured during analysis?
The integrity of evidence is the highest priority in IT forensics.
🔏 Measures:
•
Use of hash values (e.g. SHA‑256) for integrity verification
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Working exclusively with forensic copies
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Complete documentation of all analysis steps
🛡 ️ Objective:
•
Proof that evidence has not been altered
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Acceptance of results in courtOnly with strict adherence to these measures can evidence be used in court.
How can IT forensics contribute to the prevention of cyberattacks?
IT forensics provides valuable insights for improving IT security.
🔎 Benefits:
•
Identification of vulnerabilities and attack vectors
•
Derivation of targeted preventive measures
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Raising employee awareness through lessons learned
🛡 ️ Measures:
•
Adaptation of security policies
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Optimization of monitoring and logging
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Conducting awareness trainingPrevention is the most sustainable protection against future attacks.
What role does collaboration with external forensic experts play?
External forensic experts bring specialist knowledge and experience to complex cases.
🤝 Benefits:
•
Independent analysis and objective assessment
•
Access to the latest tools and methods
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Support for investigations and court proceedings
🔗 Best practices:
•
Clear communication and division of responsibilities
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Ensuring confidentiality and data protectionCollaboration increases the investigation success rate and legal certainty.
How are network attacks investigated forensically?
The forensic investigation of network attacks requires specialized tools and expertise.
🌐 Procedure:
•
Analysis of network protocols and traffic data
•
Identification of command-and-control servers
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Correlation of events from various sources
🛠 ️ Tools:
•
Wireshark, Zeek, NetFlow analyzersStructured network forensics is critical for investigating complex attacks.
What challenges exist in international IT forensic investigations?
International investigations bring legal and technical challenges.
🌍 Challenges:
•
Different data protection and evidence laws
•
Language and time barriers
•
Complex data flows across national borders
🌐 Approaches:
•
Collaboration with international partners
•
Use of global forensic standards
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Careful documentation and legal adviceInternational expertise is the key to success in cross-border cases.
How can IT forensics help investigate ransomware attacks?
IT forensics is critical for the analysis and investigation of ransomware attacks.
🦠 Procedure:
•
Identification of the infection path and malware
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Preservation and analysis of encrypted data
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Tracing ransom demands and payment flows
🔍 Benefits:
•
Support for data recovery
•
Evidence preservation for investigations and insurersA swift forensic analysis increases the chances of successful investigation and damage limitation.
What role does IT forensics play in meeting compliance requirements?
IT forensics supports organizations in meeting legal and regulatory requirements.
📜 Benefits:
•
Proof of due diligence obligations in the event of incidents
•
Documentation for audits and authorities
•
Support for compliance with GDPR, KRITIS, ISO 27001🛡️ Measures:
•
Legally defensible evidence preservation and reporting
•
Regular review and adaptation of processesCompliance and forensics go hand in hand for sustainable security.
How is evidence exchanged in international investigations?
The exchange of digital evidence across national borders requires particular care.
🌍 Challenges:
•
Different legal frameworks
•
Requirements for data protection and chain of custody
•
Language and format differences
🔗 Best practices:
•
Use of internationally recognized standards (e.g. ISO, INTERPOL)
•
Careful documentation and encryption
•
Collaboration with international authorities and partnersOnly with clear processes can evidence be used internationally.
How can an organization prepare for forensic emergencies?
Preparation is the key to a successful forensic response in an emergency.
🧰 Measures:
•
Development of emergency and forensic plans
•
Training and awareness-raising for employees
•
Regular tests and simulations
🔒 Objective:
•
Swift and professional response to incidents
•
Minimization of damage and loss of evidenceProactive preparation increases resilience and the ability to act in a crisis.
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