Ransomware Threatens Africa's Critical Infrastructure Amid Rising Attacks

Executive Summary

In early 2026, Africa has witnessed a significant escalation in ransomware attacks targeting critical infrastructure sectors such as power grids, water systems, industrial control systems (ICS), healthcare, and the financial sector. These attacks have led to substantial operational disruptions and financial losses, highlighting the urgent need for enhanced cybersecurity measures across the continent.

Ransomware Threat Landscape in Africa

Ransomware has emerged as a predominant threat to Africa's critical infrastructure. In the second quarter of 2025, the region reported ransomware indicators 2.2 times higher than the global average. Notably, Africa led globally in the percentage of ICS computers where malicious objects were blocked, indicating a high level of threat activity. (ics-cert.kaspersky.com)

Targeted Sectors and Notable Incidents

• Industrial Control Systems (ICS) and Operational Technology (OT): Ransomware groups have increasingly targeted ICS and OT environments, exploiting vulnerabilities in manufacturing and energy sectors. In 2025, 119 ransomware groups were identified targeting industrial organizations, a 49% increase from the previous year. (infosecurity-magazine.com)

• Healthcare Sector: The healthcare industry has been a significant target, with ransomware attacks leading to operational disruptions and data breaches. In 2025, there was a reported doubling in the exploitation of ICS vulnerabilities within healthcare environments. (dig.watch)

• Financial Sector: Financial institutions have faced substantial threats, with ransomware attacks leading to significant financial losses. In 2025, ransomware accounted for 60% of the value of large cyber claims, highlighting the severity of the threat. (commercial.allianz.com)

Emerging Threat Actors

Several ransomware groups have been identified as active in Africa:

• LockBit: A prolific Ransomware-as-a-Service (RaaS) gang, LockBit has been responsible for numerous attacks across the continent, leading to significant operational disruptions and data breaches. (interpol.int)

• BQT.Lock: Emerging in mid-2025, BQT.Lock operates from the Middle East and has targeted U.S. companies, blending financial extortion with ideological motives linked to Hezbollah and Iranian state-linked cyber activities. (en.wikipedia.org)

Operational Tactics and Techniques

Ransomware groups employ various tactics to infiltrate critical infrastructure:

• Phishing and Social Engineering: Malicious emails with attachments or links are used to deliver ransomware payloads. For instance, the Werewolves group has utilized phishing emails with malicious attachments to gain access to target systems. (ics-cert.kaspersky.com)

• Exploitation of Vulnerabilities: Attackers exploit known vulnerabilities in ICS and OT systems to gain unauthorized access. The exploitation of ICS vulnerabilities has been reported to have doubled in 2025. (dig.watch)

• Ransomware-as-a-Service (RaaS): The proliferation of RaaS platforms has lowered the barrier for cybercriminals, enabling them to execute sophisticated attacks without extensive technical expertise. In 2025, the number of ransomware groups surged to 124 active entities, with Qilin emerging as a dominant player. (techradar.com)

Mitigation Strategies

To address the escalating ransomware threat to critical infrastructure in Africa, the following measures are recommended:

• Enhanced Cyber Hygiene: Regular patching of systems, robust access controls, and comprehensive employee training to recognize phishing attempts.

• Incident Response Planning: Develop and regularly update incident response plans to ensure swift and effective responses to ransomware incidents.

• Collaboration and Information Sharing: Engage in regional and international collaborations to share threat intelligence and best practices.

• Investment in Cybersecurity Infrastructure: Allocate resources to strengthen cybersecurity defenses, including intrusion detection systems and network segmentation.

Conclusion

The rise in ransomware attacks targeting Africa's critical infrastructure underscores the urgent need for comprehensive cybersecurity strategies. By implementing proactive measures and fostering collaboration, organizations can enhance their resilience against these evolving cyber threats.

Highlights:

• Interpol-led cybercrime crackdown results in 574 arrests in 19 African nations, decrypts six ransomware variants - Operation Sentinel disrupts rings that caused $21 million in losses, recovers $3 million, Published on Tuesday, December 23
• 'An all-time high': Number of ransomware groups exploded in 2025 as victim growth rate doubled - with Qilin dominating the landscape, Published on Wednesday, February 18
• US government says BlackSuit and Royal ransomware gangs hit hundreds of major firms before shutdown, Published on Friday, August 08