Erich Winkler
@winkleri23
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Follow my journey to CISSP on Substack!
Joined November 2022
Like this post if you’d be up for a quick Cybersecurity quiz to test your knowledge!
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“Cybersecurity isn’t just an IT problem — it’s a business problem.” If your team thinks it’s only the IT deparment’s job to care about security, you’ve already lost. ➡️ Security is a shared responsibility.
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Risk, threat, vulnerability — sounds like the same thing, right? Well… it isn’t. Getting the basics right matters. Because if people can’t even align on the meaning of these core terms, the confusion only grows with every sentence. Let’s set the record straight!
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Threat ≠ Vulnerability ≠ Risk Most people mix them up. Tomorrow, I’ll break them down — once and for all. If you’ve ever said “that’s a risk” when you really meant *“that’s a vulnerability”… this one’s for you. New article drops tomorrow. Subscribe now so you don’t miss it.
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You can’t secure everything. But you can make it not worth the effort to attack. That’s what cybersecurity is really about. Not perfection, but resilience.
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Saying cybersecurity is just for professionals is like saying money is only for bankers. I’m not trying to scare you — but if you don’t know how to behave securely, it’s only a matter of time before you lose money or your privacy.
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The biggest problem in cybersecurity isn’t weak controls. It’s lack of awareness. Hear me out: Your system doesn’t need to be perfectly secured. It just needs to make the attack not worth the effort.
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You can’t create a fully secure system. Even a rock with no interfaces, no software, and no processing power — can still be broken, damaged, or stolen. The goal isn’t perfection. It’s balance. Security should align with the business.
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People think cybersecurity is all about hacking. A hooded guy behind a screen, trying to steal your money. The truth? That’s just one tiny slice of a much broader (and more fascinating) field. Let me show you what cybersecurity is really about. #CISSP #cybersecurity #infosec
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Here’s the harsh truth: Most people think they understand the basics. Until they actually need to explain them. ✅ Threat ✅ Vulnerability ✅ Risk ✅ Control Get these wrong — and everything else collapses. Do you know what’s the real meaning behind these terms?
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🧠 I'm documenting my full CISSP prep — from fundamentals to frameworks. Follow along or subscribe here if you're preparing too: 👉 https://t.co/vOhr8ryPyn
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🔐 The CIA Triad — Confidentiality, Integrity, Availability. Three simple words. But every control, every policy, and every risk decision ties back to them. https://t.co/80LgSIc9KG
#CISSP #cybersecurity #CIAtriad #infosec #learning #basicsmatter #riskmanagement
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Last week, I kicked off my CISSP preparation by sharing why I’m doing this and how I plan to approach it. This week, I moved on to the first — and arguably most essential — concept:
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What’s more dangerous: a known vulnerability, or an unknown one? What do you think?
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💬 “We’re safe — we have a firewall.” Not quite. A control without knowing what it protects and why is just decoration. Before implementing anything, ask yourself: 👉 What threat are you addressing? 👉 What vulnerability are you closing? 👉 What risk are you reducing?
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Threats are out of your control. Vulnerabilities aren’t. That’s where your job begins
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I’ve started preparing for the CISSP. Since it’s going to take a few months, I decided to document the whole process. This week, I published the first post: Why I’m doing this, how I’m approaching it, and who this is for. 👉
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