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SSL certificates are what put the padlock icon and HTTPS in your browser’s address bar. Every SA website that handles customer data, payments, or logins needs one. Here’s what SSL actually does, the types available to SA businesses, and how to get one.
An SSL (Secure Sockets Layer) certificate — more accurately called a TLS certificate today — is a digital file installed on a web server that does two things: it encrypts all data sent between the website and the visitor’s browser, and it verifies the identity of the website. When both are in place, the browser shows HTTPS and a padlock.
Without SSL, data sent between a SA visitor’s browser and your website travels in plain text — readable by anyone intercepting the connection, including on public Wi-Fi at SA coffee shops, airports, and malls.
The most common SSL for SA websites. Verifies you own the domain — nothing more. Free via Let’s Encrypt (most SA hosts provide this automatically). Sufficient for blogs, informational sites, and small SA business websites. Shows HTTPS and padlock.
Verifies both domain ownership and the organisation’s legal existence. The Certificate Authority checks SA business registration documents. Recommended for SA SME e-commerce sites and business portals where trust matters. Typically R500–R2,000/year from SA providers.
The highest level of verification — the CA performs a thorough check of the SA company’s legal, physical, and operational existence. Previously showed the company name in the browser bar (now removed by most browsers). Used by SA banks, large e-commerce platforms, and enterprise SA sites. R3,000–R15,000+/year.
A Wildcard SSL covers your main domain and all subdomains (e.g., *.schoolofit.co.za covers shop.schoolofit.co.za, blog.schoolofit.co.za, etc.). Multi-domain (SAN) certificates cover multiple completely different domains. Useful for SA businesses with complex site structures.
| Provider | Type | SA Cost (approx) |
|---|---|---|
| Let’s Encrypt | DV — free, auto-renewing | R0 (via most SA hosts) |
| DigiCert | DV / OV / EV | R800–R15,000+/year |
| Sectigo (formerly Comodo) | DV / OV / EV / Wildcard | R400–R8,000/year |
| Hetzner SA | DV (Let’s Encrypt) | Included with hosting |
| Xneelo | DV (Let’s Encrypt) | Included with hosting |
SSL and POPIA (South Africa’s data protection law): The Protection of Personal Information Act (POPIA) requires SA businesses to protect personal information — including during transmission. Running a SA website that collects names, emails, phone numbers, or any personal data over HTTP (not HTTPS) puts you in breach of POPIA. SSL/TLS encryption is a baseline POPIA requirement for any SA business with a website that handles customer data. If you’re not on HTTPS, fix this immediately.
SSL/TLS is a foundational topic in cybersecurity. SA professionals working in security need to understand the full TLS handshake process, certificate chain validation, common TLS vulnerabilities (POODLE, BEAST, Heartbleed), certificate pinning, and PKI (Public Key Infrastructure). These topics appear in CompTIA Security+, CEH (Certified Ethical Hacker), and CISSP — all in-demand certifications for SA cybersecurity careers.
Live 1-on-1 online cybersecurity training for SA professionals. CompTIA Security+, Ethical Hacking, and more — practical, flexible, start anytime.
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