# ZeroHelm > ZeroHelm is a South African cybersecurity company (ZeroHelm (Pty) Ltd). We lead with IT Hygiene to lessen the attack surface, prove remaining gaps with pentesting, and run compliance and governance through vCISO. We also deliver managed IT, DevOps, and private-cloud infrastructure from on-premises infrastructure in South Africa. Data stays in South Africa (data sovereignty). Primary contact: sales@zerohelm.cloud. Site: https://zerohelm.cloud ## Pages - [Home](https://zerohelm.cloud/): IT Hygiene, pentesting, and vCISO overview. Built in South Africa. - [Services](https://zerohelm.cloud/services): Catalogue led by IT Hygiene, pentesting, and vCISO, plus managed IT and DevOps. - [IT Hygiene](https://zerohelm.cloud/it-hygiene): Proactive steps that shrink the attack surface: continuous scanning, Cyber Heal AutoFix, scheduled scripts, auto-detected attack-surface IPs, LAN scan scheduling, Mac and Linux agents, AI vCSO. - [Penetration Testing](https://zerohelm.cloud/services/pentesting): Manual pentesting (PTES/OWASP), not scan-only. OSCP/CEH certified analysts. - [vCISO](https://zerohelm.cloud/services/vciso): Compliance and governance department. Virtual CISO leadership: strategy, risk, policy, and security programme development. - [Managed IT](https://zerohelm.cloud/services/managed-it): Fully managed IT, monitoring, servers, networking, cloud, and endpoint support. - [DevOps](https://zerohelm.cloud/services/devops): App/web development, CI/CD, containers, infrastructure as code, cloud deployment. - [Infrastructure Management](https://zerohelm.cloud/services/apex): Open-source consulting, private cloud, Linux, HyperConverge, LLM hosting. - [CASI](https://zerohelm.cloud/partners): Informational page on CASI (Call All Stations Immediately): personal security app, mobile panic, Bluetooth button, smartwatch trigger, armed response, 3 to 5 minute typical response. Operator: Limitless Virtual Security (Pty) Ltd. CASI uses ZeroHelm software and resells ZeroHelm. ZeroHelm does not sell CASI. - [Contact](https://zerohelm.cloud/contact): Email sales@zerohelm.cloud. ## Optional - [Full source for LLMs](https://zerohelm.cloud/llms-full.txt): Longer service definitions and FAQ for citation. - [Sitemap](https://zerohelm.cloud/sitemap.xml)