Digital Forensics in Cyber Security 101
Internal Forensic Investigation Services
Uncover the root cause, scope, and impact of security incidents through structured Internal Forensic Investigations. Reconstruct attack timelines, preserve defensible evidence, and deliver the clarity required by leadership, regulators, and legal teams.
TABLE OF CONTENT
Why it matters
Security Investigation Challenges Organizations Must Address
Unexplained Security Incidents
Identifying the source of incidents that cannot be explained by routine monitoring, such as email impersonation or phishing.
Potential Data Breach Exposure
Managing the exposure of sensitive customer or business information during a suspected data breach.
Unauthorized System or Network Access
Tracing unauthorized access by external intruders who have gained entry to critical systems or accounts.
Insider Threat and Employee Misconduct
Investigating suspected insider activity, including fraud, misconduct, or misuse of systems by employees.
Rapid Threat Containment
Containing threats quickly to limit further data exposure and prevent catastrophic business impact.
Our Approach
Five step approach
From Detection to Resolution: How SISA Sappers Investigates
Understanding the situation by identifying affected systems, present indicators, and involved business risks.
Gathering digital artifacts and running preliminary checks while advising immediate containment measures.
Performing bit-level imaging of suspected systems to preserve evidence integrity for in-depth analysis and legal review without alteration.
Reconstructing the full attack kill chain, including the ingress point (how attackers got in), lateral movement, and egress point (what data was accessed or extracted).
Presenting a detailed RCA mapping the incident timeline and vulnerabilities, accompanied by practical remediation recommendations.
Service Offerings
Internal Forensic Investigation Capabilities
Email Impersonation & Phishing Fraud Investigation
Data Breach Impact & Exposure Scoping
Unauthorized Access & Network Intrusion Analysis
Insider Activity & Employee Misconduct Forensics
Comprehensive Root Cause Analysis (RCA) & Kill Chain Reconstruction

BENEFITS
Our Internal Forensic Investigation services help organizations uncover the truth behind incidents and respond with confidence.
Faster Time-to-Clarity:
Ability to reconstruct kill chains and deliver Root Cause Analysis (RCA) within days, enabling quicker decision-making and response.
Actionable Outcomes:
Business-ready clarity with practical recommendations to remediate weaknesses and improve organizational readiness.
Evidence That Stands Up:
Strict chain-of-custody procedures and defensible reporting trusted in audits, regulatory reviews, and legal proceedings.
Regulatory Alignment:
Investigations designed to seamlessly meet global compliance standards such as PCI DSS, DPDP, and GDPR.
WHY SISA
Our Differentiators
Specialist DFIR Unit
SISA Sappers resolve incidents with a proven forensic methodology that blends speed and precision.
Proven Case Experience
Hundreds of high-stakes investigations successfully resolved across BFSI, fintech, and payment ecosystems worldwide.
Advanced Forensic Depth
Deep capabilities in memory forensics, log correlation, malware reverse engineering, and endpoint analysis.
Global Regulatory Expertise
A thorough understanding of compliance mandates ensures investigations satisfy international standards.
Strict Chain-of-Custody
Rigorous evidence preservation procedures that guarantee findings remain unaltered and legally defensible.
Proactive Containment
Rapid mapping of the attack surface to prevent evidence loss and immediately halt lateral movement.
Want to know more?

