Digital Forensics

Investigate cybersecurity incidents with legally defensible digital forensic analysis designed to identify attack timelines, affected systems, compromised data, and root causes while preserving evidence integrity.
Service Breakdown

Understand digital infrastrucure

Forensic Investigation

Digital Forensics is the systematic process of identifying, collecting, preserving, and analyzing digital evidence from computing devices, networks, and storage media to investigate cybersecurity incidents, establish timelines of compromise, and support incident response and recovery activities. In modern security architectures, digital forensics functions as both a detective and responsive capability, operating after an attack has been detected to reconstruct the full scope of compromise, validate the integrity of response actions, and provide evidence for legal, regulatory, and remediation purposes.

Core Functions in Modern Security Architecture

  1. Digital forensics serves as the critical “truth mechanism” that connects detection and full recovery. Beyond simple investigation, its core function is to establish a verified Investigative Timeline and define the Breach Scope, ensuring that organizations are treating surface-level symptoms while attackers maintain persistence across the infrastructure. By providing a rigorous Root Cause Analysis, forensics identifies the specific vulnerabilities exploited during SQL Injection or Supply Chain Attacks, distinguishing legitimate vendor traffic from malicious exfiltration. This architectural pillar is also essential for Evidence Preservation, protecting the integrity of data required for legal defense and ensuring strict Regulatory Compliance with GDPR, DORA, and NIS2. Ultimately, whether reconstructing the infection chain of a Ransomware Attack or validating that a system is “clean” post-incident, digital forensics provides the evidence-based confidence necessary to resume operations in high-stakes environments.

Process and methodology​

Investigation of real incidents

1

Preparation
Develop and validate incident response protocols, conduct tabletop exercises, and maintain readiness documentation.

2

Detection and Analysis
Continuous monitoring of logs, alerts, and threat intelligence; triage and classify incidents; assess impact and scope.

3

Containment, Eradication, Recovery
Isolate affected systems, remove malicious artifacts, restore operations securely.

4

Post-Incident Activities
Perform root cause analysis, document lessons learned, update response plans.
Key metrics:
Gemini said Hash collision verification rate, chain of custody documentation completion, media preservation success of volatile data, time to initial attribution, timeline reconstruction gap, dwell time identification, exfiltration volume accuracy, lateral movement mapping, false positive/negative ratio in forensic artifacts, reporting lead time for regulatory windows, vulnerability remediation validation, and the compliance alignment score for DORA, NIS2, and GDPR.

Move From Speculation to Evidence-Based Recovery

Digital Forensics Service Categories

Incident Response Forensics
Focus: Active breach investigation, attacker activity analysis, containment support, evidence preservation, and incident reconstruction.

Best For: Organizations responding to ransomware, account compromise, malware infections, unauthorized access, or suspected data breaches.
Endpoint & Server Forensics
Focus: Workstation, laptop, server, and virtual infrastructure investigation including disk analysis, memory forensics, persistence detection, and artifact recovery.

Best For: Enterprises requiring detailed forensic review of compromised systems or suspicious activity.
Ransomware & Malware Investigation
Focus: Malware execution analysis, ransomware behavior investigation, encryption timeline reconstruction, persistence detection, and IOC extraction.

Best For: Organizations impacted by ransomware or advanced malware incidents.
Insider Threat & Employee Investigation Support
Focus: Investigation of unauthorized internal activity, suspicious access behavior, data misuse, evidence collection, and audit reconstruction.

Best For: Organizations requiring evidence-backed internal investigations.

Get example from Rumen, and feedback from one customers

Business Use Cases

Regulatory Response Readiness
Meet mandatory reporting windows for DORA, NIS2, and GDPR with pre-established forensic protocols. Evidence is mapped directly to Article 33 requirements, ensuring legal defensibility during regulatory audits.
Breach Containment & Validation
Eliminate attacker persistence by reconstructing lateral movement. Forensics validates that containment measures are 100% effective, providing the evidence-based confidence required to resume business operations.
Litigation & Insurance Support
Strengthen cyber insurance claims and legal defense with admissible chain-of-custody documentation. Professional reports quantify exfiltration volume to prevent over-notification and mitigate class-action risks.
CI/CD & Supply Chain Integrity
Secure the software pipeline against model poisoning and malicious code injections. Use forensic reverse-engineering to verify SBOM integrity and ensure compliance with the latest EU AI Act governance standards.

Reporting structure and metrics​

Management report
Exfiltration Volume Accuracy, Reporting Lead Time, Vulnerability Remediation Validation, Dwell Time Identification
Technical report
Timeline and technical details of the incident, Vulnerabilities and attack signatures, Evidence suitable for legal proceedings, Lessons learned and security improvement recommendations
Common metrics:
Hash collision verification rate, chain of custody documentation completion, media preservation success of volatile data, time to initial attribution, timeline reconstruction gap, dwell time identification, exfiltration volume accuracy, lateral movement mapping, false positive/negative ratio in forensic artifacts, reporting lead time for regulatory windows, vulnerability remediation validation, and the compliance alignment score for DORA, NIS2, and GDPR.

Turn Forensic Data Into Your Strongest Defense

Ensure your incident response meets the strict notification mandates of DORA and NIS2 with audit-ready forensic documentation.

Real-World Business Scenarios​

Investigating Ransomware Intrusions
Problem:

Ransomware operators often establish persistence, steal credentials, move laterally, and exfiltrate sensitive data before encryption begins.

Outcome:

We reconstruct attacker timelines, identify compromised systems, analyze malware behavior, and determine how attackers gained and maintained access.​

Determining Data Breach Scope
Problem:

Organizations frequently struggle to determine whether attackers accessed sensitive customer, employee, or operational data during an incident.

Outcome:

We analyze logs, systems, authentication records, and attacker activity to identify what data was accessed, exposed, or exfiltrated.​

Investigating Business Email Compromise (BEC)
Problem:

Compromised Microsoft 365 accounts and phishing attacks can lead to fraud, unauthorized payments, and data exposure.

Outcome:

We investigate mailbox access, authentication anomalies, forwarding rules, suspicious logins, and attacker persistence mechanisms.​

Industry & Sector Relevance

Financial Services & FinTech

In the financial sector, cyber incidents demand immediate and rigorous intervention to mitigate systemic risk. Digital forensics provides the empirical foundation necessary to investigate account compromises, fraud, and ransomware attacks. Under regulatory frameworks such as the Digital Operational Resilience Act (DORA), institutions must deliver granular, verifiable evidence of an incident’s scope. Professional forensic investigations meticulously reconstruct the adversary’s timeline, assess potential data exposure, and produce objective reporting that satisfies regulatory scrutiny while safeguarding institutional reputation.

Recommended Regulagory texts: European Banking Authority | DORA

The Problem: Financial organizations face account compromise, ransomware, fraud attempts, and regulatory scrutiny following cybersecurity incidents.

The Outcome: We provide forensic evidence and investigation reporting aligned with DORA operational resilience and financial-sector incident handling expectations.

Healthcare & Pharmaceutical Organizations

Cybersecurity incidents within healthcare infrastructure directly impact operational continuity and patient data confidentiality. When ransomware or data breaches occur, digital forensics is utilized to establish the precise scope of compromised Electronic Health Records (EHR) and internal networks. This investigative clarity differentiates isolated security events from systemic compromises, ensuring accurate compliance reporting under applicable data protection regulations. Ultimately, formal forensic validation enables healthcare providers to execute secure system restoration without compromising patient care or regulatory standing.

Recommended Regulagory texts: US Department | HIPPA

The Problem: Healthcare providers process sensitive patient and operational data while facing ransomware and data breach threats.

The Outcome: We investigate breach scope, access activity, and compromised systems to support operational recovery and regulatory obligations.

Critical Infrastructure & Industrial Organizations

Attacks targeting critical infrastructure require specialized investigative methodologies due to the integration of corporate IT and Operational Technology (OT) environments. Forensic analysis focuses on identifying initial compromise vectors, mapping lateral movement, and analyzing industrial control system logs. By isolating the adversary’s path and evaluating the operational impact, digital forensics provides the objective data necessary to contain threats, harden interconnected environments, and support a validated, secure recovery process that ensures public safety.

Recommended Regulagory texts: CISA | Industrial Control Systems

The Problem: Critical infrastructure operators face risks involving operational disruption, supplier compromise, and attacks against interconnected IT and OT systems.

The Outcome: We investigate compromise paths, operational impact, and attacker activity while supporting containment and recovery planning.

Digital Forensics | FAQ

Neglecting regular forensic investigation exposes organizations to undetected vulnerabilities that can lead to data breaches, ransomware attacks, regulatory penalties exceeding €20 million under GDPR Tier 2 violations or up to 4% of global annual revenue. Without forensics, incident response becomes speculative rather than evidence-based, resulting in extended downtime costs (often €1-5M per day), unnecessary customer notifications triggering class-action litigation averaging €5K-€10K settlements each, and potential extortion payments where attackers threaten data disclosure without actual exfiltration.
DORA mandates that financial entities classify ICT incidents as major and report them to competent authorities within 4 hours of classification. Digital forensics provides the evidence-based determination required to make this classification, reconstructs incident scope accurately, validates containment measures that were effective before resuming operations, and generates documentation proving compliance with Article 6 (ICT risk management) and Articles 19-20 (incident reporting)
NIS2 requires essential and important entities to conduct root cause analysis of incidents, maintain documented evidence trails demonstrating compliance with Article 15 (risk management), implement incident response procedures validated through forensic investigation. This includes preserving chain-of-custody documentation for regulatory audits, conducting vulnerability handling per Article 20(e), and providing detailed reports within mandated timeline.
GDPR requires notifying supervisory authorities of personal data breaches within 72 hours, but only if the incident constitutes a 'personal data breach' under Article 33. Digital forensics determines whether actual access occurred (triggering mandatory notification) versus mere encryption or unavailability without evidence of compromise.
The emerging EU AI Act requires high-risk systems to undergo rigorous testing and documentation of training data lineage. Digital forensics provides the analytical framework needed through reverse-engineering techniques, statistical anomaly detection (using topological analysis), and behavioral pattern recognition via Shapley values to identify potential model poisoning or corruption during development.
Compliance with international standards like ISO/IEC 27037 (Evidence Handling), ISO/IEC 27041 (Assurance) and ISO/IEC 27042/27043 requires documented procedures for evidence preservation, integrity verification using cryptographic hashes, chain-of-custody documentation, validated analytical methods, and peer review processes - all of which constitute core components of professional digital forensic investigations that can withstand regulatory scrutiny.
Effective response requires reconstructing attack progression across interconnected systems. Essential forensic capabilities include network traffic analysis to trace lateral movement, memory dump examination of compromised hosts, verification of software provenance through SBOMs (Software Bill of Materials), and behavioral analytics on CI/CD pipelines to identify malicious code injections introduced by third-party vendors.
Critical infrastructure operators face unique challenges with limited logging on OT systems. Forensic investigation leverages integrated IT/OT monitoring to reconstruct incidents using network traffic captures, supplementary system logs from management interfaces, and controlled analysis of backup copies - enabling rapid incident response without disrupting production operations while maintaining regulatory compliance.
Cyber liability insurers increasingly require documented proof of proper security controls and response actions. Digital forensics provides the evidentiary foundation through detailed reports documenting attack vectors, scope determination, containment effectiveness, remediation steps taken, and validation that systems were clean before resuming operations - strengthening insurance claims and preventing denial based on inadequate incident investigation.
Organizations can adopt phased approaches starting with vulnerability management programs and incident response playbooks, leveraging government-subsidized frameworks like EU CYSSME for SMEs. Prioritizing forensic readiness through regular tabletop exercises, establishing basic evidence preservation protocols using free open-source tools, and partnering with managed security service providers offering tiered forensic support can build capabilities incrementally while meeting regulatory requirements

“Their enthusiasm and commitment to excellence were palpable in every interaction.

Slav Hadjidimitrov, Los Angeles, California
CTO, Videoengager, Inc.
Verified by