Proplastics Listed by thegentlemen Ransomware Group: Ransomware Claim — What’s Alleged & What To Do

Ransomware groups continue to target industrial and infrastructure suppliers across regions, using double-extortion tactics that combine system encryption with the threat of public data leaks. In this landscape, listings on criminal leak sites often serve as the first public signal of an incident, even when independent confirmation remains limited. On 9 September 2025, Proplastics appeared on such a listing attributed to the ransomware group known as thegentlemen.

Public reporting indicates that the group claims to have conducted a ransomware attack against the company and to have exfiltrated internal files. The number of people affected is unknown, and further operational details have not been disclosed. For an organisation that supplies essential plastic pipe systems for water and sewer networks across Southern Africa, any compromise of internal material carries potential consequences for both the firm and the communities that rely on its products.

Breaking down the breach

According to available reports dated 9 September 2025, Proplastics was listed by thegentlemen ransomware group. The group claims the incident involved a ransomware attack in which internal files were exfiltrated. No confirmed figures have been released for the volume of data taken, the specific systems affected, or the precise timeline of intrusion and discovery. The number of individuals whose information may have been involved remains unknown. Public detail on the initial access method, any encryption of production systems, or subsequent negotiations is limited. The listing itself constitutes a claim by the threat actor rather than an independently verified account of the full scope of the event.

Who is thegentlemen?

thegentlemen is a ransomware operation that has been documented in open-source reporting as employing double-extortion methods: encrypting victim systems while simultaneously stealing data and threatening to publish it on a dedicated leak site if payment is not made. Like many contemporary ransomware groups, it typically advertises victims on its site to increase pressure. Public knowledge of the group centres on this pattern of activity rather than on any unique technical signature tied exclusively to this case. Claims made on the leak site regarding Proplastics—specifically that internal files were taken—should be treated as assertions by the actors themselves until corroborated by the organisation or independent investigators. No further statements attributed to the group about this particular victim appear in the available record.

Proplastics and its sector

Proplastics is a Zimbabwe-based manufacturer and supplier of plastic pipe systems used for water and sewer reticulation. Established in 1965, the company has operated for decades as a significant player in Zimbabwe and maintains a notable presence across the Southern African Development Community region. Its products support critical infrastructure for water distribution and sanitation. Organisations in this sector typically manage engineering drawings, supply-chain records, customer and distributor information, financial data, and operational documentation related to manufacturing and logistics. A ransomware incident affecting such a firm can disrupt production, delay infrastructure projects, and raise questions about the security of data that underpins essential public services.

The information in question

Reporting states that internal files were exfiltrated in the ransomware attack. No further breakdown of file types, categories of personal data, or volumes has been publicly confirmed. For a company of this nature, internal files would ordinarily include business records, technical specifications, correspondence, and potentially employee or partner information. Because the exact contents remain undisclosed, it is not possible to state with certainty which specific data elements were taken. The absence of confirmed detail means any assessment of exposure must remain provisional.

Why it matters

When internal files leave an organisation without authorisation, the practical risks include potential misuse of commercial information, exposure of personal details if such records were present, and secondary effects such as targeted phishing or social-engineering attempts that leverage stolen material. For Proplastics, operational continuity in the supply of water and sewer piping systems could be affected if systems were encrypted or if recovery efforts divert resources. Customers, employees, and partners may face uncertainty until clearer information emerges. In the broader Southern African context, incidents involving infrastructure-related suppliers can erode confidence in the resilience of essential services, even when the immediate technical impact is limited to data theft rather than physical disruption.

If your data was in this claimed breach

If you have a past or present relationship with Proplastics—whether as an employee, contractor, customer, or supplier—monitor accounts for unusual activity and treat unsolicited communications that reference the company with caution. Change passwords on any related systems, enable multi-factor authentication where available, and remain alert for phishing that may exploit knowledge of the incident. Because the precise data involved has not been confirmed, it is prudent to assume that business contact details or internal correspondence could surface. Readers can run a free exposure scan of their email address to check whether their information has already appeared in known breach datasets. Continue to follow official statements from the organisation for any further guidance once additional verified details become available.

AICompiled with AI assistance from public sources and published under our editorial standards.