Single Mode vs Multimode Fiber: Full Comparison
A team once ran 2km of multimode fibre between two buildings. The link never came up clean. They blamed the switches, the transceivers, even the weather. The real problem? Wrong fibre. Multimode dies long before 2km, and no amount of swapping optics fixes a physics limit. That single mistake cost them a weekend and...
VLAN vs Subnet: What’s the Difference? (2026 Guide with Diagram)
A VLAN and a subnet are not the same thing, and most people mix them up because in a healthy network they almost always show up together. Here’s the short version. A VLAN is a Layer 2 concept. It splits a physical switch into separate broadcast domains. A subnet is a Layer 3 concept....
Wazuh Agent: How to Install and Enroll It (2026 Guide)
Your agent package installed clean. No errors. You open the dashboard, expecting to see the new endpoint light up green. Instead? “Never connected.” Grey dot. Nothing. Sound familiar? You’re not alone. Nine times out of ten, the install worked fine. The problem is enrollment, the step most guides gloss over in one line. That’s...
The Systems Engineering Occupation: What It Pays, Who Hires, and Why It’s Worth It
$127K. That’s the average base salary for a systems engineer in the US in 2026. Senior roles? They’re clearing $145K to $198K, sometimes more when you factor in bonuses and clearance allowances. In Canada, the average sits around $107K, with Toronto-based roles frequently landing between $120K and $140K. If you’re in IT and you...
What Is the Security+ Passing Score? 750 Out of 900, Explained
The Security+ passing score is 750 out of 900. That isn't 83% correct. Here's how scaled scoring really works, and what to hit on practice tests...
FortiOS 7.6 Administrator Exam: Format, Objectives, and How to Pass
50-55 questions. 90 minutes. $200 USD. That’s the FortiOS 7.6 Administrator exam in a nutshell. If you’ve been searching for a clean breakdown of what’s actually tested, how the format works, and what changed from earlier versions, you’re in the right place. The full exam code is NSE4_FGT_AD-7.6. Passing it earns you the NSE...
Cat6 vs Cat6e vs Cat7: Complete Cable Comparison Guide
Cat6e isn’t a real standard. Most Cat7 cable you’ll find online isn’t compliant Cat7 either. That’s not a hot take. It’s what the test data shows when a Fluke field certifier gets plugged in. And it’s why so many network students, homeowners, and small business owners end up confused when they try to research...
What Is a Security Posture Assessment? Steps, Tools, and Why It Matters
A security posture assessment is a structured review of how well your controls, processes, and people hold up against the threats aimed at your organisation right now. It scores your whole security programme against a framework like NIST CSF 2.0 or ISO 27001, then hands you a ranked list of what to fix first....
How to Study for OSCP in 2026: Exam Format, Cost, and a 6-Month Study Plan
Here’s the short version. To pass OSCP in 2026 you need 70 points out of 100 in 23 hours and 45 minutes, and 40 of those points sit inside a mandatory Active Directory set. Budget three to six months of practice if you’ve got an IT background, and expect to spend $1,749 USD on...
Cybersecurity Jobs in Canada: What They Pay, What They Require, and How to Get One
Canada has a shortage of over 26,000 cybersecurity professionals – and that gap isn’t closing. Between March 2025 and February 2026, Canadian employers posted 2,448 unique cybersecurity positions, with monthly demand holding steady between 180 and 270 new openings every single month. That’s not a temporary spike. That’s a structural talent shortage working in...