Zambia’s Copperbelt mines rely on operational technology — programmable logic controllers (PLCs), SCADA systems, distributed control systems (DCS), and industrial sensors — to manage extraction, processing, and safety systems. These networks were designed for reliability and availability, not security. As mines connect OT networks to corporate IT systems and the internet for remote monitoring and efficiency, they create attack paths that did not exist a decade ago.
What OT/ICS Security Means
Operational Technology (OT) refers to the hardware and software that monitors and controls physical processes — conveyor belts, ventilation fans, hoisting systems, water pumps, power distribution. Industrial Control Systems (ICS) is the broader term covering SCADA (Supervisory Control and Data Acquisition), DCS, and PLCs that automate these processes.
Unlike IT security, where the primary concern is data confidentiality, OT security prioritises availability and safety. A ransomware attack that takes a payroll server offline is serious. A ransomware attack that takes ventilation control offline in an underground mine is potentially fatal.
Why Copperbelt Mines Are Targets
High operational impact. Disrupting production at a major copper mine costs hundreds of thousands of dollars per day. Attackers know this and set ransom demands accordingly.
Legacy systems. Many OT environments in Zambian mines run Windows XP or Windows 7 on SCADA workstations — operating systems that no longer receive security patches and cannot run modern endpoint protection.
IT/OT convergence. Mines have connected OT networks to corporate IT for remote monitoring, reporting, and efficiency. This eliminates the air gap that previously provided passive protection.
Supply chain access. Maintenance contractors, equipment vendors (Sandvik, Epiroc, ABB), and automation integrators often have remote access to OT networks. These third-party connections are frequently unmonitored.
Common Attack Vectors
Spear-phishing targeting engineering staff. An email with a malicious attachment appearing to come from an equipment vendor. When opened on an IT workstation, malware moves laterally to OT-connected systems.
Exploitation of remote access interfaces. VPN endpoints and remote desktop services exposed to the internet, often with weak credentials and no MFA.
Removable media. USB drives brought on-site by contractors and inserted into OT workstations — a common infection vector in environments where internet connectivity is restricted.
Compromised SCADA web interfaces. Some SCADA platforms expose web interfaces for monitoring. Unpatched vulnerabilities in these interfaces can allow unauthenticated access to process control systems.
What an OT/ICS Security Assessment Covers
A rigorous assessment for a Zambian mine includes:
- Network architecture review — mapping IT/OT boundaries, remote access points, and communication paths between corporate systems and control networks
- Asset inventory — identifying all PLCs, HMIs, SCADA servers, historian databases, and network devices in the OT environment
- Vulnerability analysis — scanning for unpatched software, default credentials, exposed services, and insecure remote access configurations (passive scanning only — no active exploitation in live OT environments)
- Remote access review — auditing contractor VPN accounts, shared credentials, and unmonitored access sessions
- Physical security review — control room access controls, USB port policy, and network connection points in the field
Filika Technology conducts OT/ICS security assessments for Zambian mining operations grounded in the IEC 62443 framework. Engagements range from K450K to K1.4M depending on site complexity. Contact us to discuss your specific environment.