Glossary term
Ransomware
Ransomware is malware that encrypts files and systems so they become unusable until a ransom is paid.
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Country threat profile
South Africa has seen ransomware against national departments and state companies, and large leaks of personal data.
In short
South Africa has seen ransomware against national departments and state companies, and large leaks of personal data. Official sources describe attacks on the Department of Justice, the Transnet ports operator and the National Health Laboratory Service. This page collects what South African government and regulator texts say: sectors hit, the main laws and the national bodies to know.
This page covers cyber threats to South Africa. It brings together official South African texts (the Information Regulator, the South African Government site, the Parliament record kept by the Parliamentary Monitoring Group, and the Government Gazette) and Brandefense research. Where an official source describes an incident or a rule, the page says who said it and when.
None of the official sources we opened names South Africa as a target of a group that has a profile in our threat group library. The official texts name a ransomware variant instead. A ministerial reply to Parliament on 11 November 2025 says the 2021 attack on the Department of Justice was attributed to the Mespinoza ransomware variant deployed by an unknown threat actor. Transnet told Parliament in October 2021 that its attack was ransomware and that a criminal investigation was in progress.
The incidents listed below are major ones that South African authorities or the organizations themselves described, with national impact. Where sources differ, the incident page says so. Small incidents are not listed.
Few of our own posts name South Africa. State-linked. Our post European Focused Threat Actors says the APT15 group, thought to be China-based, targets organizations in a number of European countries, the USA and South Africa. Brandefense also met South African technology and security teams at the iWeb Summit in Johannesburg on 3 June 2025, as recorded in our events archive.
In plain words, Cyber Threat Intelligence is how a security team learns which groups and malware are aimed at its country and sector. Dark Web Monitoring is how it learns that staff or customer logins and payment cards are for sale, and Phishing Monitoring is how it finds fake sites that copy its brand.
The Cybercrimes Act 19 of 2020 was published in the Government Gazette on 1 June 2021. The Minister of Justice said in October 2022 that it was being implemented in phases. Section 54 requires electronic communications service providers and financial institutions to report prescribed offenses to the police without undue delay and, where feasible, within 72 hours of becoming aware. A Hawks officer said on 3 October 2025 that cybercrime is enforced under the Cybercrimes Act, while cybersecurity matters are guided by the forthcoming Cybersecurity Bill. The Deputy Minister of Communications and Digital Technologies said in November 2025 that institutions are often under-resourced, skills pipelines are narrow and legislation is slow to keep pace.
The National Cybersecurity Hub is a Computer Security Incident Response Team hosted by the Department of Communications and Digital Technologies. It works closely with the South African Police Service on cybercrime investigations. The Hawks have a cybercrime investigation section, and the Hawks named phishing, ransomware, malware, identity theft and personal data theft as key threats. In the two incidents on record, departments and state companies reported to Parliament through written replies and committee meetings, and the Information Regulator took formal action on personal data.
The Information Regulator was established in 2016 and enforces the Protection of Personal Information Act (POPIA). Its fact sheet says all security compromises must be reported, whatever the level of risk, through its eServices portal. POPIA gave responsible parties until 1 July 2021 to conform. An enforcement notice that is ignored can lead to an administrative fine of up to R10 million, and the notice itself warns of prison terms of up to ten years. In July 2023 the Regulator fined the Department of Justice R5 million for not complying with its notice. In August 2020 it said it had recorded 25 data breaches in four months.
The official South African sources opened give no national attack counts. Figures for South Africa will come from Brandefense Atlas.
The Department of Public Enterprises (29 July 2021) described Transnet's ports and rail system as the backbone of the economy after an IT security breach at Transnet. Transnet told Parliament (7 October 2021) it was a ransomware attack.
The Department of Justice said ransomware hit its IT systems on 6 September 2021 (gov.za, 20 September 2021). The Information Regulator fined it R5 million on 3 July 2023.
See the industry pageThe Deputy Health Minister (21 August 2024) said a cyber-attack in June 2024 significantly disrupted services of the National Health Laboratory Service, which serves over 85% of the population through 230 laboratories.
See the industry pageThe Information Regulator (13 January 2025) wrote to the Department of Basic Education after the Minister announced a breach through the leak of matric results on a private website.
See the industry pageThe Information Regulator (1 September 2023) said about 3.6 million records of a national pharmacy chain were accessed after a brute force attack on its service provider.
See the industry pageThe Information Regulator (20 August 2020) said the Experian South Africa breach reportedly compromised personal information of 24 million South Africans. Its 27 October 2021 statement says Experian dealt with a person posing as a director of a legitimate company.
See the industry pageThis is a plain-language summary of the rules, not legal advice.
South Africa has seen ransomware against national departments and state companies, and large leaks of personal data. Official sources describe attacks on the Department of Justice, the Transnet ports operator and the National Health Laboratory Service.
A ministerial reply to Parliament on 11 November 2025 says the 2021 attack on the Department of Justice was attributed to the Mespinoza ransomware variant, deployed by an unknown threat actor.
The Cybercrimes Act 19 of 2020 was published on 1 June 2021. Section 54 requires electronic communications service providers and financial institutions to report prescribed offenses to the police without undue delay and, where feasible, within 72 hours.
The page draws on the Information Regulator, the South African Government site, the Parliament record and the Government Gazette. The Information Regulator is the national data protection body to know.
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