ISA Holdings Limited is a South African investment holding company listed on the AltX board of the Johannesburg Stock Exchange that provides network, internet, and information security solutions to commercial, private, and public sector clients across sub-Saharan Africa; its core offerings encompass managed security services including firewalls, anti-malware, authentication systems, remote access, content security, intrusion protection, vulnerability assessment, virtual private networking, messaging and data protection, and identity and access management solutions, alongside professional services such as consulting, auditing, integration, and education. Founded in 1998 and headquartered at Pinewood Office Park in Sandton, South Africa, the company serves risk-averse organizations with a service-centric model emphasizing detailed system monitoring, remote administration, frequent backups, reporting, and alerting through value-added resale and management of leading security technologies. In recent developments, ISA Holdings received a non-binding expression of interest in November 2025 for a potential scheme of arrangement that could result in an offeror acquiring a controlling stake and delisting the company from the JSE, while it also declared a cash dividend of ZAR 16.70 per share in July 2025, reported unaudited interim results for the six months ended August 31, 2025, and appointed changes to its board in October 2025.