Is that padlock icon really proof of safety? I looked into how SSL works

Hello. I'm Manabu.I usually work as a systems engineer and write articles on note.Thank you to everyone who read my previous ...

[Security] What is the 'padlock icon' next to the URL? Explaining the meaning of SSL by comparing it to 'how to send a letter' makes the danger easy to understand

When you are browsing various websites on your smartphone or computer, have you ever noticed a small padlock icon at the very ...