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DNS Cache Poisoning – when you ring the bell, and no one’s home
Today I want to tell you about something both brilliant and absolutely mean in cybersecurity: DNS cache poisoning. You’re basically being sent to the right street… but the wrong house number . Hold onto your seats — I’m about to take you on a little cyber adventure! :) Let me break this down in plain English — because once you understand this, you’ll never look at the internet the same way again. Every website you visit has a “street name” (the domain) and a “house number” (
Vesna Ergarac
Dec 92 min read


Those annoying Smurf attacks (Explained in Plain English)
By ST3MTECH Cybersecurity I want to talk about Smurf attacks as I’ve seen a few in my time (together with DNS cashe poisoning, DHCP attacks and PING of DEATH, but more about those later). With this blog, i hope to help my clients understand in plain English what’s happening to their network, WHY it is happening, and HOW these network attacks can be prevented. So here we go! WHAT exactly is a SMURF attack? Let me ask you this first - ever had someone yell, “DRINKS AT MY HOUS
Vesna Ergarac
Nov 263 min read


Narrative, Hook, Exploit: The Secret Playbook of Cyber Fraudsters🎭
If you think scams are about dodgy emails and bad grammar, think again. The real power of cyber fraud isn’t in the code — it’s in the...
Vesna Ergarac
Sep 293 min read


Encryption 101: Your Data’s First Line of Defense 🔐
Encryption isn’t just for techies — it’s your data’s first line of defense against hackers, snoops, and digital drama. From fast locks to fancy key pairs, this blog breaks down the methods that keep your secrets safe.
Vesna Ergarac
Sep 292 min read


SHA Family Basics 101: What You Need to Know About Secure Hashing 🔐
From SHA-1 to SHA-3, the Secure Hash Algorithm family shows how fast ‘safe’ can become obsolete. Learn why hashing still matters today — and how it keeps your data one step ahead of attackers
Vesna Ergarac
Sep 272 min read


Cyber Insurance: What They Don't Tell You (Until You Try to Claim)
Cyber insurance sounds like a safety net, but the real shocks often come when you try to claim. Here’s what providers won’t tell you upfront - and why you need to read the fine print like your business depends on it
Vesna Ergarac
Jun 223 min read


Forget Real Phishing. Catfishing With AI Is All The Rage
Welcome to the era of synthetic soulmates, cloned charm, and chat-bots who say "I love you" better than your ex ever did. I used to think...
Vesna Ergarac
Jun 23 min read


Cyber Resilience: Why Small Businesses Can’t Afford to Ignore It
Here At ST3MTech , we don’t just provide cybersecurity - we build strong digital foundations that help small and medium businesses...
Vesna Ergarac
May 211 min read
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