Extract User Identity from AWS Cloudtrail

Whether you are troubleshooting or investigating something on AWS, being able to look up user identity across the Cloudtrail event logs can be very helpful.

One Time Password, HOTP and TOTP

All you need to know about OTP from a security perspective.

SSH and TLS: Differences and Similarities

Review the differences and similarities between the two protocols from an architecture and security perspective.

TLS Handshake in a Nutshell

A quick overview of TLS handshake