Why is There a Padlock in My Web Browser?

Google is replacing Chrome's misleading lock icon - The Verge

How do I get that green padlock thing on my website?

Think that website is safe because of the padlock symbol? Think again

Chromium Blog: An Update on the Lock Icon

Why is there a lock symbol next to my recent tabs and how do I disable it? - Quora

Google to Replace the Chrome's “Padlock Icon” with the “Tune Icon” in Chrome 117

FBI Warning: The Lock Icon Doesn't Mean That Website Is Safe - Nextgov/FCW

Confusing the Padlock and the Favicon in the Web Browser

Why is There a Padlock in My Web Browser?

How to tell if a website is secure - xneelo Help Centre

How to get the green padlock of SSL certification on my website?