Securing Website: TLS/SSL, Certificate Authority, Self-Signed Certificate, and Open source tools

When was the last time you visited a website that requires you to login with your username or email and password? That mechanism can be found everywhere today including bank websites, Social Network Service (SNS) sites, email services, or ecommerce websites. Everytime you sign in through this service, you are essentially saying “I trust this website, so I am willing to share my personal information such as my name, my gender, address, and sometimes even credit card information.” But how can you trust that website? To put this context in a different way, what can the website do to secure the transaction through the website so you can trust it?

For more information, check out How internet security works: TLS, SSL, and CA.

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