SSL stands for Secure Sockets Layer. It is a security technology that creates an encrypted link between a web server and a browser. This ensures that all data passed between them—like passwords or credit card numbers—remains private and integral.
You’ll often hear the terms used interchangeably. TLS (Transport Layer Security) is actually the more modern, updated version of SSL. While most people still call it "SSL," almost all "SSL certificates" you buy today are actually using the TLS protocol. Think of it like "VHS" versus "Blu-ray"—one replaced the other, but the goal is still to watch a movie.
No. This is a common misconception. SSL protects data in transit. It does not protect your website from being hacked, nor does it prevent database breaches or malware on the server itself. It’s a secure tunnel, not a bulletproof vest for the entire building.
Yes. Since 2018, Google Chrome marks all HTTP sites as "Not Secure." Beyond security, SSL is now a ranking factor for SEO. If you don't have it, your search engine visibility will suffer, and visitors will be warned to stay away.
Absolutely. Services like Let’s Encrypt provide free DV certificates. Many hosting providers offer these as a one-click install. However, free certificates usually need to be renewed every 90 days (though this is often automated)