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digital investigations and forensics

Forensically sound digital evidence, cryptocurrency tracing and lawful open-source research, handled with discretion and documented for legal scrutiny.

Investigation Disciplines

four specialized forensic practices

Each matter is scoped with clear evidentiary objectives, pre-signed NDAs, and adherence to court admissibility standards.

Practice 01 Strict Custody

fraud and financial investigations

Business email compromise, identity theft, diverted payments and cryptocurrency tracing.

Capabilities include:

  • Procurement and internal fraud
  • Internet fraud and email compromise
  • Identity theft and fake profiles
  • Financial discrepancy reviews
Practice 02 Strict Custody

digital forensics and incident response

Phone and computer examination, rapid response to a live incident, and evidence kept intact.

Capabilities include:

  • Phone and mobile forensics
  • Computer security incident response
  • Evidence preservation and acquisition
  • Malware and stalkerware analysis
Practice 03 Strict Custody

osint and due diligence

Lawful research using open sources to check people, companies and assets.

Capabilities include:

  • Open-source intelligence
  • Deep background checks
  • Pre-employment and executive screening
  • Lawful asset locating
Practice 04 Strict Custody

corporate and white-collar investigations

Insider threats, data theft by departing staff, insurance claims and brand protection.

Capabilities include:

  • Employee theft and data exfiltration
  • Insider threat investigations
  • Insurance cyber claim verification
  • Procurement and white-collar fraud
Court-Admissible Evidence

evidentiary integrity by design

Every device, memory dump, and blockchain transaction ledger is handled in strict compliance with the Nigeria Data Protection Act 2023, Cybercrimes Act, and ISO/IEC 27037 standards for digital evidence recovery.

Hardware Write-Blockers SHA-256 Bitstream Hashes Tamper-Evident Physical Seals

Chain of Custody Checklist

  1. 1 Pre-signed mutual NDA and verifiable lawful authority.
  2. 2 Forensic image capture using hardware write-blocking.
  3. 3 Cryptographic hash verification (MD5/SHA-256).
  4. 4 Defensible technical expert opinion report.
Client Profiles

who we work with

banks and fintechs

Tracing diverted customer funds, payment compromise triage and fraud-ring attribution.

law firms

Court-ready electronic evidence, mobile extraction and expert technical opinions.

insurers

Independent checking of cyber claims and ransomware extortion.

companies

Departing-employee data theft, insider risk and executive background checks.

individuals and executives

Discreet help with blackmail, credential extortion and identity theft.

Methodology

lawful, careful & confidential

Every case starts with a signed engagement letter, a verified lawful purpose and a documented chain of custody. Our practice follows the Nigeria Data Protection Act 2023, the Cybercrimes Act and international standards for handling digital evidence such as ISO/IEC 27037.

  1. 1

    We sign a mutual NDA

    Before you share any detail with us.

  2. 2

    We confirm the purpose and scope

    Who you are, what you own, and what you need to know.

  3. 3

    You get a clear quote

    Within one working day of the scoping call.

Strict Ethical Limits

what we do not do

  • No unauthorised access

    We never break into third-party accounts, personal inboxes or systems without lawful ownership and written authority.

  • No domestic surveillance

    We do not monitor partners, install covert spyware or take part in stalking or harassment.

  • No engagement without a lawful purpose

    We verify who the client is and why they are asking before any evidence is collected.

All forensic extractions require documented asset ownership and explicit lawful authorization.
Pricing & Retainers

how engagements are structured

Priced transparently per matter after a scoping call. No surprises or hidden line items.

fixed-scope report

One defined examination with set deliverables, such as a single phone, one entity report or an initial crypto trace.

  • Delivered in 3 to 5 working days
  • Evidence ledger included
  • One review call included

case-based engagement

A longer investigation across several weeks with a forensic examiner, blockchain analyst and researcher working with your legal team.

  • Interim evidence briefings
  • Coordinated across disciplines
  • Court testimony support available

enterprise retainer

On-call help for banks, fintechs and other high-exposure organisations, with agreements signed in advance.

  • Emergency response arrangements
  • Pre-signed NDA and terms
  • Monthly investigation hours

Please note: devwalls security provides digital forensics, blockchain analysis, corporate intelligence and incident advisory for lawful, authorised purposes only. We are not a law firm and do not provide legal representation. Our findings are technical expert opinions based on verifiable digital evidence.

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when informal answers are no longer enough

Whether you are facing a live fraud or preparing for a dispute, we will tell you what can be established and how.