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COSMICBYTEZLABS

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System Status: Operational

HOWTOs & Tutorials

Step-by-step guides for IT professionals and enthusiasts

Difficulty Levels:

BeginnerIntermediateAdvanced
Fail2ban: Automated Brute Force Protection for Linux Servers
HOWTOJul 6, 2026

Fail2ban: Automated Brute Force Protection for Linux Servers

Deploy Fail2ban to automatically ban IPs hammering your SSH and web services. Covers installation, jail configuration, custom filters, and monitoring active bans.

8 min read
Read
Linux auditd: Kernel-Level Security Monitoring and Compliance Logging
HOWTOJun 29, 2026

Linux auditd: Kernel-Level Security Monitoring and Compliance Logging

Deploy and tune the Linux Audit Framework (auditd) to capture privileged operations, file access, and authentication events — building a tamper-resistant...

6 min read
Read
Deploy OpenCanary to Catch Attackers Inside Your Network
HOWTOJun 22, 2026

Deploy OpenCanary to Catch Attackers Inside Your Network

Set up OpenCanary honeypot services on a Raspberry Pi or VM to detect lateral movement, credential stuffing, and unauthorized access before attackers...

9 min read
Read
Docker Security Hardening: Locking Down Container Environments
HOWTOJun 15, 2026

Docker Security Hardening: Locking Down Container Environments

A practical, step-by-step guide to hardening Docker deployments — from non-root users and read-only filesystems to capability drops, resource limits, and...

8 min read
Read
HOWTOJun 2, 2026

Anatomy of a Ransomware Attack on a Canadian Ag Operation

A composite case study of a typical 2026 ransomware incident hitting a Canadian agricultural business — from the first phishing email through full encryption…

7 min read
Read
Osquery Endpoint Visibility & Threat Hunting
HOWTOJun 1, 2026

Osquery Endpoint Visibility & Threat Hunting

Use SQL to query your endpoints like a database. Deploy osquery across Linux and Windows hosts to surface process trees, network connections, user activity…

10 min read
Read
HOWTOMay 26, 2026

EDR for SMBs: What It Actually Does, and Why Your Antivirus Isn't Enough

Endpoint Detection and Response is the single most important cybersecurity upgrade most Canadian SMBs can make in 2026. Here's what EDR actually does…

6 min read
Read
Velociraptor DFIR Setup, Hunts, and Forensic Collection
HOWTOMay 25, 2026

Velociraptor DFIR Setup, Hunts, and Forensic Collection

Deploy Velociraptor for endpoint visibility, run fleet-wide hunts, collect forensic artifacts, and accelerate incident response with VQL queries.

9 min read
Read
HOWTOMay 19, 2026

Why Your Accountant is a Ransomware Target

Small accounting firms in rural Alberta have become primary ransomware targets in 2025–2026. The reasons are structural: high-value data, weak security…

6 min read
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