Cybercrime Investigations
Fraud, impersonation, unauthorised access, scams, online threats and complex digital incidents. Focused on attribution, timelines, evidence preservation and actionable findings.
Nikolaos Kranidiotis
Forensic Intelligence & Case Analysis
info@osec.gr · +30 697 798 6989 · Athens, Greece · osec.gr
Cybercrime · Digital Forensics · Dark Web Intelligence
Where Every Connection Becomes Evidence.
Evidence-driven investigations, technical attribution and forensic intelligence for complex digital cases.
02 Expertise
Every engagement resolves to the same question — what actually happened, and what can be proven. These are the disciplines used to answer it.
Fraud, impersonation, unauthorised access, scams, online threats and complex digital incidents. Focused on attribution, timelines, evidence preservation and actionable findings.
Forensic examination of computers, mobile devices, digital media and acquired evidence. Integrity validation, artifact recovery, timeline reconstruction and evidence correlation.
Investigation of underground forums, marketplaces, leaked data and hidden infrastructure. Threat actor profiling, infrastructure mapping and breach intelligence.
Static and behavioural malware analysis, reverse engineering, persistence analysis, command-and-control identification and IOC extraction.
Android and iOS forensic examination, communication artifacts, deleted data, application analysis and device activity reconstruction.
Additional capabilities
03 Selected Casework
Client identities and case specifics remain confidential. What follows are the categories of investigation handled most often, and the methods each one requires.
Digital tracing, transaction analysis, attribution and evidence correlation across platforms, intermediaries and payment rails.
Alias correlation, infrastructure mapping, OSINT and operational-security analysis leading to identification and attribution support.
Email forensics, header and infrastructure analysis, timeline reconstruction and attribution of the intrusion path.
Malware analysis, persistence identification, IOC extraction and forensic examination of affected systems.
Application artifacts, communications, deleted data recovery and device activity reconstruction across Android and iOS.
215+ investigations across cybercrime, fraud, digital evidence and threat intelligence.
04 Investigation Process
01
Define the incident, objectives, available evidence and investigative scope.
02
Acquire and validate evidence while maintaining integrity and chain of custody.
03
Reconstruct timelines, correlate artifacts and identify meaningful connections.
04
Deliver clear findings, technical conclusions and actionable recommendations.
Evidence preserved. Findings documented. Conclusions defensible.
05 About
Nikolaos Kranidiotis is a cybercrime investigator specialising in digital forensics, dark web intelligence, malware analysis and technical attribution.
His work focuses on uncovering connections between digital evidence, infrastructure, identities and events in order to reconstruct incidents and produce clear, defensible investigative findings.
Casework spans financial fraud, cybercrime, compromised systems, malicious software, online threat actors and complex digital evidence.
Where Every Connection Becomes Evidence.
Who I work with
Cyber incidents, fraud, compromise and internal investigations.
Technical evidence analysis and forensic reporting.
Complex digital incidents requiring confidential investigation.
Threat intelligence, digital forensics and incident investigation.
06 Contact
Confidential consultations for cybercrime, digital forensics and forensic intelligence matters.
Where Every Connection Becomes Evidence.