Security Guides

Security Guides

PostgreSQL Security Guide: Protect Your Database from Vulnerabilities

Learn how to secure PostgreSQL with step-by-step instructions, avoid common mistakes, and protect against vulnerabilities like CVE-2022-1552. Essential for sysadmins and DevOps.

Security Guides

The Complete Patch Management Guide for Linux Servers

A comprehensive guide to Linux server patch management covering APT, DNF, automated updates, prioritization strategies, and recommended patch timelines by severity.

Security Guides

Understanding CVSS Scores: What They Actually Mean for Your Security

CVSS scores rate vulnerability severity from 0-10, but what do the metrics actually mean? Learn how to interpret CVSS scores and why you need EPSS and CISA KEV data too.