// Real breaches. Real adversaries. Measured in minutes, not weeks.
Detailed technical post-mortems of high-stakes cyber incidents across South Asian banking switches, telecommunications backbones, hospitals, and critical infrastructure. Anonymized in strict accordance with client non-disclosure agreements.
Core Banking Switch & SWIFT Gateway Lateral Intrusion Neutralized
Target Organization: Tier-1 Scheduled Commercial Bank, Dhaka HQ
Foothold: A spear-phishing payload executed on a corporate workstation, deploying a custom Cobalt Strike beacon that bypassed signature-based endpoint antivirus.
Adversary TTP: Adversary leveraged Kerberoasting and PowerShell-based WMI queries attempting to discover and pivot toward the isolated SWIFT Alliance Access network segment.
- Sinan Arcana incident responders severed malicious C2 communication at the perimeter within 22 minutes.
- Live volatile RAM dumps captured from domain controllers to extract injected shellcode before memory corruption.
- Hardware-isolated the SWIFT jump-host subnet and deployed NetWard passive optical inspection to monitor ISO 8583 message integrity.
- Zero funds siphoned and zero fraudulent MT103 wire messages injected.
- Court-admissible forensic evidence chain delivered per ISO/IEC 27037 standards.
- Complete root-cause incident dossier submitted to Bangladesh Bank CIRT within 48 hours.
40Gbps+ Volumetric Edge DDoS & BGP Route Hijacking Suppressed
Target Organization: Nationwide Internet Service Provider (Over 700k Subscribers)
Foothold: A coordinated Mirai-variant IoT botnet flood saturated upstream international gateways while an unauthorized offshore ASN leaked transit prefixes.
Adversary TTP: DNS amplification and fragmented UDP flood reaching 42.6 Gbps targeting the carrier's primary recursive DNS resolver clusters.
- NetWard carrier sensors flagged the anomalous prefix announcement and initiated automated BGP Flowspec rate-limiting.
- Scrubbed volumetric attack traffic at the edge peering gateways with zero clean subscriber traffic drops.
- Enforced RPKI Route Origin Authorization (ROA) validation across all external BGP peering sessions.
- Continuous internet routing preserved for corporate banks, government portals, and retail subscribers.
- Zero packet drop on core domestic financial interconnects (NPSB).
- Full compliance documentation submitted to BTRC and APNIC routing registries.
Multi-Vector Double-Extortion Ransomware Contained in Under 35 Minutes
Target Organization: Multisite Hospital Network (5 Facilities, 1,200 Beds)
Foothold: Compromised third-party HVAC maintenance credentials used to access corporate VPN without multi-factor authentication (MFA).
Adversary TTP: Mass deployment of batch scripts executing PsExec to push ransomware payloads across hospital database servers and online backup volumes.
- Sinan Arcana's tactical crisis commander initiated immediate active directory session termination and network micro-isolation.
- Halted the adversary's encryption routine before it could reach the primary electronic health record (EHR) database cluster.
- Protected immutable offline backup snapshots and extracted active C2 staging scripts.
- 100% of patient medical records and diagnostic imagery preserved unencrypted.
- Zero ransom payment negotiated or paid.
- Hospital emergency rooms and ICU operating systems maintained full operational continuity.
Geopolitical APT Intrusion into Sovereign Citizen Registry Defended
Target Organization: National Public Registry & Citizen E-Service Portal
Foothold: Exploitation of a zero-day vulnerability in an exposed public portal application framework, dropping a web shell in a staging directory.
Adversary TTP: Advanced Persistent Threat group (SideCopy / Bitter attribution) attempting to dump SQL database tables containing citizen biometrics.
- Deployed fly-away forensic investigation kits to sovereign on-premise data centers.
- Reconstructed full attack timeline using NetWard forensic packet archives and database access logs.
- Purged webshell persistence, sealed firewall egress vectors, and updated web application firewall rules.
- Zero citizen records or biometric databases were exfiltrated.
- Sovereign data residency fully preserved with 100% on-premises forensic handling.
- Delivered verified forensic brief to Director General and BGD e-GOV CIRT.
Industrial Conglomerate SAP/ERP Supply Chain Compromise Neutralized
Target Organization: Major Export Manufacturing Conglomerate (3 Industrial Plants)
Foothold: An external parts supplier suffered a ransomware breach; attackers harvested stored site-to-site VPN credentials to access the manufacturer's internal network.
Adversary TTP: Adversary initiated reconnaissance against SAP ERP database hosts, seeking financial ledgers and international export pricing models.
- Instantly terminated the compromised supplier VPN tunnel and forced multi-factor token resets across all administrative accounts.
- Audited factory floor Industrial IoT (IIoT) automated assembly networks to verify zero lateral penetration.
- Replaced open site-to-site VPN connections with Zero Trust Network Access (ZTNA) session proxies.
- Zero manufacturing downtime across all 3 production facilities; international export shipments proceeded on schedule.
- Proprietary chemical formulas and export pricing models remained completely secure.
- Suppliers transitioned to strict ephemeral session governance.
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