Cyber Guard Core

Case Studies

Client Confidentiality Notice

To protect the privacy and security of our clients, all identifying information has been anonymised in accordance with our strict privacy policy and applicable data protection regulations. Several cases are also subject to Non-Disclosure Agreements (NDAs) and ongoing legal proceedings. The outcomes presented reflect genuine results achieved for our clients, with details modified solely to preserve confidentiality.

Real-world examples demonstrating our expertise in cybersecurity protection and fraud recovery across diverse industries.


Cybersecurity Services

Ransomware Response
Manufacturing Sector

Critical Infrastructure Ransomware Attack

Challenge: A manufacturing company with 500+ employees discovered their entire production network encrypted by LockBit ransomware. Operations halted, threatening €2.3M in daily losses. Attackers demanded €800,000 in Bitcoin.

Our Response: Deployed incident response team within 90 minutes. Isolated affected systems, identified entry point (compromised VPN credentials), and began forensic analysis. Located viable backups from 36 hours prior.

Outcome: Full systems restored within 72 hours without ransom payment. Implemented multi-factor authentication, network segmentation, and 24/7 monitoring. Zero data exfiltration confirmed.

Penetration Testing
Financial Services

Banking Application Security Assessment

Challenge: A regional bank preparing to launch a new mobile banking platform required comprehensive security testing to meet regulatory requirements and protect customer assets.

Our Response: Conducted full-scope penetration testing including API security, authentication mechanisms, session management, and data encryption. Identified 23 vulnerabilities including 4 critical issues that could have allowed unauthorized fund transfers.

Outcome: All vulnerabilities remediated before launch. Platform passed subsequent regulatory audit. Bank avoided potential losses estimated at £15M+ and reputational damage.

Data Breach Response
Healthcare

Healthcare Provider Data Breach Containment

Challenge: A private healthcare network detected unusual database queries. Initial investigation revealed unauthorized access to patient records spanning 18 months, potentially affecting 45,000 patients.

Our Response: Immediate containment protocols enacted. Forensic analysis traced breach to compromised third-party vendor credentials. Managed regulatory notifications (ICO, affected patients) and coordinated with law enforcement.

Outcome: Breach contained within 6 hours. Comprehensive incident report satisfied regulatory requirements. Implemented zero-trust architecture and vendor security protocols. No regulatory fines imposed due to swift response.

DDoS Mitigation
E-Commerce

E-Commerce Platform DDoS Attack Defence

Challenge: An online retailer experienced a sustained 340 Gbps DDoS attack during peak shopping season. Site completely inaccessible, losing approximately £180,000 per hour in sales.

Our Response: Activated emergency DDoS mitigation. Rerouted traffic through scrubbing centres, implemented rate limiting, and deployed web application firewall rules to filter malicious traffic while allowing legitimate customers.

Outcome: Services restored within 45 minutes. Attack persisted for 6 days but had zero customer impact. Post-incident analysis led to permanent DDoS protection infrastructure. Subsequent attacks automatically mitigated.

Insider Threat
Technology

Intellectual Property Theft Investigation

Challenge: A software company suspected a departing senior developer was exfiltrating proprietary source code and client lists to a competitor. Required forensically sound evidence for legal proceedings.

Our Response: Conducted covert digital forensics investigation. Analysed endpoint activity, cloud storage access logs, email patterns, and USB device connections. Preserved chain of custody for all evidence.

Outcome: Documented evidence of 2.3GB of proprietary data transferred to personal devices. Evidence supported successful civil litigation resulting in £1.2M settlement and injunction against competitor.

Cloud Security
Legal Services

Law Firm Cloud Infrastructure Security

Challenge: A mid-sized law firm migrating to cloud infrastructure needed to ensure client confidentiality and compliance with SRA regulations while maintaining accessibility for remote lawyers.

Our Response: Designed and implemented secure cloud architecture with end-to-end encryption, conditional access policies, data loss prevention rules, and comprehensive audit logging. Trained staff on security protocols.

Outcome: Achieved secure cloud migration with zero data incidents. Passed SRA compliance audit. 40% improvement in operational efficiency with enhanced security posture. Ongoing managed security services retained.

Security Audit
Retail

PCI-DSS Compliance Security Audit

Challenge: A retail chain processing £50M+ in annual card transactions faced PCI-DSS audit. Previous self-assessment revealed significant gaps that threatened their ability to accept card payments.

Our Response: Conducted comprehensive gap analysis across all 12 PCI-DSS requirements. Developed prioritised remediation roadmap, implemented network segmentation, encryption upgrades, and access controls. Provided staff training and documentation.

Outcome: Achieved full PCI-DSS Level 2 compliance within 4 months. Passed QSA audit with zero non-conformities. Reduced card fraud losses by 78% in first year post-implementation.

Email Security
Professional Services

Business Email Compromise Prevention

Challenge: An accounting firm nearly transferred £430,000 to fraudsters after CEO email was compromised. Attackers had monitored communications for weeks, waiting for the right moment to strike.

Our Response: Immediate account recovery and forensic analysis. Implemented advanced email security with AI-powered threat detection, DMARC/DKIM/SPF protocols, and conditional access policies. Established out-of-band verification procedures for financial transactions.

Outcome: Transfer halted before funds left the account. Identified 3 other compromised accounts in the organisation. New protocols have blocked 47 BEC attempts in the following 12 months.

Network Security
Education

University Network Security Overhaul

Challenge: A university with 15,000 students and staff had experienced multiple security incidents including cryptomining malware and student data exposure. Legacy infrastructure made security challenging.

Our Response: Comprehensive network security redesign including next-generation firewalls, network access control, SIEM deployment, and endpoint detection and response. Created separate network segments for research, admin, and student systems.

Outcome: 94% reduction in security incidents within first year. Achieved Cyber Essentials Plus certification. Research data now protected to government standards, enabling new funding opportunities.

Vulnerability Management
Energy Sector

Critical Infrastructure Vulnerability Assessment

Challenge: An energy distribution company needed to assess vulnerabilities in their operational technology (OT) environment without disrupting critical services that supply power to 200,000 homes.

Our Response: Developed custom, non-intrusive assessment methodology for OT systems. Conducted passive network analysis, firmware review, and controlled testing during maintenance windows. Mapped all assets and identified critical vulnerabilities.

Outcome: Identified 156 vulnerabilities including 12 critical issues in SCADA systems. Created prioritised remediation plan executed over 6 months. Now providing ongoing vulnerability management services.

Fraud Investigation Services

Important Notice: These case studies represent outcomes achieved in specific circumstances. Results depend heavily on factors beyond our control including cooperation from financial institutions, jurisdictional legal frameworks, the nature and timing of the fraud, and the availability of traceable fund flows. Past results do not guarantee future outcomes. Recovery success rates vary considerably and cannot be assured in any new engagement. Each case is unique.

Investment Fraud
Individual Client

Cryptocurrency Investment Scam Investigation

Challenge: A retired professional lost £287,000 to a sophisticated cryptocurrency investment platform that turned out to be fraudulent. Funds were transferred across multiple exchanges and wallets.

Our Response: Conducted blockchain forensic analysis to trace fund movements. Identified exchange accounts used by perpetrators. Coordinated with international law enforcement and initiated legal proceedings in multiple jurisdictions.

Outcome: Successfully recovered £198,000 (69%) through exchange freezes and legal action. Criminal investigation ongoing with arrests made in two countries.

Wire Fraud
Real Estate

Property Transaction Wire Fraud Investigation

Challenge: A homebuyer transferred their £520,000 deposit to fraudsters who had intercepted and modified solicitor emails with fake bank details. Funds were rapidly moved through multiple accounts.

Our Response: Initiated emergency bank recall procedures within 2 hours of discovery. Traced funds through receiving accounts, obtained court freezing orders, and coordinated with Action Fraud and the receiving banks’ fraud teams.

Outcome: Successfully traced and assisted in recovery of £485,000 (93%) before funds could be withdrawn. Client completed property purchase. Assisted solicitor firm in implementing secure communication protocols.

Romance Fraud
Individual Client

Romance Scam Investigation & Forensics

Challenge: A victim had sent over £165,000 over 18 months to someone they believed was a romantic partner. Multiple payment methods used including bank transfers, gift cards, and cryptocurrency.

Our Response: Compiled comprehensive evidence package documenting the fraud. Traced cryptocurrency transactions, identified money mule accounts, and provided technical intelligence to financial institutions to facilitate recovery processes.

Outcome: Technical evidence facilitated recovery of £72,000 through bank reimbursement and frozen funds. Evidence contributed to international investigation targeting organised fraud network.

Invoice Fraud
Construction

Supplier Invoice Manipulation Fraud

Challenge: A construction company discovered they had paid £340,000 to fraudulent accounts after criminals compromised a supplier’s email and sent modified invoices with different bank details over 4 months.

Our Response: Forensic analysis of email headers identified the compromise. Rapid coordination with 6 different receiving banks to facilitate asset freezing and recovery procedures. Documented evidence for insurance claim and legal proceedings.

Outcome: Direct asset recovery of £195,000 from frozen accounts. Insurance claim successful for additional £98,000. Total combined recovery: £293,000 (86%). Implemented invoice verification procedures to prevent recurrence.

Identity Theft
Individual Client

Comprehensive Identity Theft Resolution

Challenge: A victim discovered criminals had used their stolen identity to open 12 credit accounts, take out a £45,000 loan, and attempt to remortgage their property. Credit score destroyed and constant harassment from debt collectors.

Our Response: Coordinated with all affected financial institutions, credit reference agencies, and law enforcement. Filed comprehensive fraud reports, obtained CIFAS protective registration, and disputed all fraudulent accounts systematically.

Outcome: All fraudulent accounts closed and removed from credit file within 3 months. Credit score restored to pre-fraud levels. Mortgage fraud attempt blocked. Client received compensation from institutions with weak verification.

Trading Platform Fraud
Individual Client

Forex Trading Scam Recovery

Challenge: An investor lost €410,000 to a fraudulent forex trading platform that showed fabricated profits but blocked all withdrawal attempts. Platform operated from multiple offshore jurisdictions.

Our Response: Traced payment flows to identify payment processors and banks involved. Filed complaints with financial regulators in 4 countries. Initiated chargeback procedures and coordinated civil litigation against payment processors.

Outcome: Technical evidence facilitated recovery of €245,000 through payment processor settlements and successful chargebacks. Platform subsequently shut down by regulators. Evidence contributed to criminal investigation.

Pension Fraud
Individual Client

Pension Liberation Scam Recovery

Challenge: A client had been convinced to transfer their £380,000 pension to an unregulated scheme promising early access and high returns. The scheme was a scam, and they also faced potential tax penalties of £150,000+.

Our Response: Engaged with the Pensions Ombudsman and FCA. Traced funds through offshore structures, identified responsible parties, and pursued recovery through multiple legal channels including trustees and advisers involved.

Outcome: Technical investigation facilitated recovery of £290,000 from adviser’s professional indemnity insurance and frozen scheme assets. HMRC penalties successfully challenged and reduced by 80%. Client’s retirement plans salvaged.

Authorised Push Payment
Small Business

CEO Impersonation Fraud Recovery

Challenge: A finance manager transferred £175,000 after receiving urgent payment instructions appearing to come from the CEO. The sophisticated attack used a spoofed email domain and referenced genuine internal projects.

Our Response: Immediate engagement with receiving banks. Forensic analysis of the attack for evidence. Provided technical intelligence through banking protocols and documented case for potential insurance claim.

Outcome: Technical evidence facilitated recovery of £142,000 through bank freezes and financial institution reimbursement procedures. Implemented email authentication, payment verification procedures, and staff training to prevent future incidents.

Tech Support Scam
Individual Client

Remote Access Tech Support Fraud

Challenge: An elderly client had granted remote access to scammers claiming to be from Microsoft. Over 3 months, they had transferred £95,000 in “security fees” and “tax payments” while criminals monitored their banking.

Our Response: Secured all accounts and devices. Forensic examination of computer revealed extent of access. Compiled evidence for bank complaints and pursued recovery under vulnerable customer protections.

Outcome: Full reimbursement of £95,000 secured from banks based on vulnerability and failure to detect suspicious patterns. Computer cleaned and security measures implemented. Ongoing monitoring established.

Corporate Fraud
Import/Export

International Trade Fraud Investigation

Challenge: An import company paid $890,000 for goods that never arrived. Supplier’s legitimate communications had been intercepted, and payments redirected to criminal accounts across 4 countries.

Our Response: International forensic investigation tracing funds across jurisdictions. Coordinated with INTERPOL and local law enforcement in UAE, Hong Kong, and UK. Obtained freezing orders and initiated civil proceedings.

Outcome: Technical investigation facilitated recovery of $612,000 (69%) through international cooperation and legal action. Criminal network identified and arrests made. Implemented secure communication and payment verification protocols with all suppliers.

Facing a Cyber Threat or Fraud?

Every case is unique. Contact our team for a confidential consultation and discover how we can help protect your assets and recover your losses.

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