Digital Forensics in Cyber Security 101
Digital Forensics and Incident Response (DFIR) Retainer Service
Prepare for cyber incidents before they occur. Use proactive forensic preparedness and expert investigation capabilities to contain incidents and prevent repeat attacks.
TABLE OF CONTENT
Why it matters
- Prepare for cyber incidents before they occur. Use proactive forensic preparedness and expert investigation capabilities to contain incidents and prevent repeat attacks.
When a cyber incident occurs, organizations often struggle to understand the full scope of the attack and respond quickly enough to limit damage.
Limited visibility into the true scope of an attack
When a breach occurs, organizations often struggle to determine the initial point of entry, track attacker movement across systems, and identify whether sensitive data has been accessed or exfiltrated.
Delayed detection and prolonged attacker dwell time
Many breaches remain undetected for extended periods. Industry studies show attackers can dwell within environments for weeks or months before detection, significantly increasing operational, financial, and reputational impact.
Escalating downtime and financial losses during incidents
Every minute of delayed response allows attackers to expand their foothold. Without rapid investigation and containment, incidents can quickly escalate into large-scale operational disruption and financial loss.
Challenges in collecting defensible forensic evidence
Organizations often lack structured processes for preserving digital evidence, which can complicate legal proceedings, regulatory reporting, and internal investigations.
Regulatory and compliance pressures following a breach
Incidents often trigger obligations under data protection and industry regulations. Without proper forensic investigation, organizations may struggle to demonstrate due diligence and compliance during regulatory scrutiny.
Limited ability to learn from incidents and strengthen defenses
Without detailed forensic analysis, organizations miss critical insights into attacker behavior, exploited vulnerabilities, and systemic weaknesses needed to strengthen security posture.
Our Approach
Five step engagement model
SISA’s DFIR retainer combines proactive readiness, rapid investigation, and on-demand access to specialized incident response experts to help organizations manage, contain incidents and recover quickly.
STEP 01 - Initial scoping and environment understanding
STEP 02 - Deploying artifacts collection tools in scoped environment
STEP 03 - Initiate assessment and threat hunting frameworks
STEP 04 - Execute breach attack simulations mapped to MITRE ATT&CK
STEP 05 - Deliver findings, risk analysis, and remediation roadmap
STEP 06 - Optional continuous validation and retesting
Service Offerings
Our DFIR Retainer Services support organizations before, during, and after a cyber incident by providing proactive preparedness, rapid incident response, and expert forensic investigation.


BENEFITS
SISA’s DFIR Retainer Services strengthens incident response readiness to help organizations effectively detect, investigate, and respond to cyber incidents.
Holistic Threat Visibility
Combines historical analysis, active threat discovery, and control testing to uncover risks.
Risk Reduction
Reduces the likelihood and potential impact of a security breach through early intervention and improved resilience.
Operational Readiness
Enhances team preparedness by identifying gaps in processes, playbooks, and detection logic.
Security Control Validation
Verifies whether existing tools and configurations effectively prevent or detect modern attack techniques.
Early Detection and Response
Enables organizations to detect and respond to threats before they escalate into major incidents.
Informed Security Investment
Provides actionable insights to guide strategic improvements in security architecture and resource allocation.
WHY SISA
SISA’s DFIR Retainer Services goes beyond reactive incident handling to provide structured readiness, rapid investigation capabilities, and evidence-driven response support to effectively manage and contain cyber incidents.
Proven global investigation experience
More than 1,000 investigations worldwide provide deep insight into attacker behavior, breach patterns, and effective containment strategies.
Comprehensive incident investigation capability
Handle a broad spectrum of cyber incidents, combining forensic analysis, root cause identification, and remediation planning to contain breaches and prevent recurrence.
Proven DFIR experience and global investigations
Over a decade of DFIR expertise and 1,000+ investigations worldwide provide deep insight into attacker tactics and effective containment strategies.
Regulatory Reporting and PFI Expertise
As a certified global PFI, conduct official cardholder data breach investigations aligned with PCI SSC requirements ensuring regulatory adherence, incident reporting and clear stakeholder communication.
Certified Team of Forensic Experts
Investigations led by experts certified in leading DFIR credentials including SANS GCFA (GIAC Certified Forensic Analyst) and GCIH (GIAC Certified Incident Handler).
Business Logic Flaw Forensics
Analyze payment workflows and application logic to uncover fraud, misuse, and attack techniques that traditional forensic approaches may overlook.
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