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Envelope Encryption
Envelope encryption is the practice of encrypting plaintext data with a data key, and then encrypting the data key under another key.
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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.
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Subdomain Hijacking
My dormant subdomain was recently hijacked, redirecting it to a online gamble registration page.
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C# DbContext ServiceLifeTime
my note about C Sharp ServiceLifeTime
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PostgreSQL Index Usage Monitoring
Having too many unused or underused indexes on a table can slow down write and update operations in your PostgreSQL database, making it crucial to regularly identify and manage them for optimal performance.
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