• AWS Secrets Manager

    Explanation about AWS Secrets Manager with example code.

  • Envelope Encryption

    Envelope encryption is the practice of encrypting plaintext data with a data key, and then encrypting the data key under another key.

  • Tutorial - "su username vs su - username" - A Security Perspective

    The main difference between `su username` and `su - username` lies in the environment variables that are loaded when switching to the specified user.

  • Subdomain Hijacking

    My dormant subdomain was recently hijacked, redirecting it to a online gamble registration page.