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Continue reading →: Pass the Hash attack
A pass-the-hash attack is a cybersecurity attack in which a malicious user steals hashed credentials from a compromised system and uses them to log in as the original user. Hashing is an essential concept in cybersecurity and computer science. It involves using a mathematical algorithm, a hash function, to convert…
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Continue reading →: Prevent Screen Capture
Microsoft is actively rolling out a new security feature in Teams called “Prevent screen Capture”. This will block screenshots and recordings in sensitive meetings. Any screenshot attempts will show a black rectangle over the screen and will not record anything . On Android devices, it will pop up a message…
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Continue reading →: Google updates Chrome — fixes around 20 vulnerabilities.
The latest Chrome version, 142, released by Google on October 28th, includes patches to fix several documented vulnerabilities, some of which are high-severity. The update includes permission to block local network access from public/local websites. Chrome now blocks websites from sending requests to local network devices (like routers, printers, or…
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Continue reading →: The Silent Cost: Underutilization of Assets and Tools in Organizations
In today’s cloud-first world, organizations spend millions on security, compliance, and infrastructure tools — yet most use less than 50% of their potential.This underutilization isn’t just wasted investment — it’s a missed opportunity to optimize, automate, and secure the digital ecosystem. 🚨 The Reality of Tool SprawlFrom CSPM, SPM, and…
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Continue reading →: How Your PC Communicates with Google: Step-by-Step Network Journey
When your PC communicates with Google’s server (e.g., http://www.google.com), there’s a sequence of events happening from your local network to Google’s global infrastructure. 🧩 Step-by-Step Communication Flow 1️⃣ You type “http://www.google.com” in your browser Your browser doesn’t know where Google is yet—it only has a domain name. 2️⃣ DNS Resolution…
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Continue reading →: Cyber Attack Vectors: What You Need to Know –
This morning, I received a text from AIB asking me to confirm a money transfer via a link. Panic set in—until I remembered that I don’t even have an AIB account. Another day, another phishing attempt. Cybercriminals are increasingly targeting Irish individuals and businesses with sophisticated scams. These include: Phishing…
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Continue reading →: 🧠 What is AI and ML in Networking?
Artificial Intelligence (AI) and Machine Learning (ML) in networking refer to the use of data-driven algorithms and automation to make networks smarter, self-learning, and self-optimizing. In simple terms —👉 AI/ML help networks think, learn, and act on their own instead of relying only on human intervention. For example: ⚙️ Why…
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Continue reading →: 🧠 What is a REST API?
REST API stands for Representational State Transfer Application Programming Interface.It’s a standard way for two systems to communicate over the web (HTTP/HTTPS) — often between a client (like Python script or Ansible) and a server (like a network device or SDN controller). In simple terms:👉 A REST API allows you…
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Continue reading →: 🧠 What is Device Programmability?
Device Programmability means the ability to configure, control, and manage network devices (like routers, switches, firewalls) using software or code, rather than logging in manually and typing CLI commands. In short —👉 It’s how network automation happens. Instead of an engineer configuring 100 devices manually, scripts or automation tools push…
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Continue reading →: 🧠 What is OpenDaylight (ODL)?
OpenDaylight (ODL) is an open-source Software-Defined Networking (SDN) controller platform developed under the Linux Foundation.It provides a modular and flexible platform that allows network administrators and developers to build, manage, and automate modern networks using open standards. In simple terms —👉 OpenDaylight acts as the “brain” of an SDN network,…
Hello,
Hey there, fellow nerds and net-surfers!
Welcome to my corner of the internet where I talk about the holy trinity of tech: Networking, Linux, and Security — or as I like to call it, “Ctrl+Alt+Fix-It”. If you’re into packet sniffing (the legal kind), hardening Linux boxes, or figuring out why your network is being as moody as a teenager, you’re in the right place.
This blog is where I dump useful knowledge, random tech rants, and occasional troubleshooting victories so future me (and hopefully you) can benefit. Expect bash scripts, firewall rules, sarcastic comments, and the occasional meme — because what’s IT without a little command-line chaos and caffeine?
Whether you’re a curious beginner or a battle-hardened sysadmin, I hope you’ll find something here to learn, laugh at, or copy-paste in desperation.
Welcome aboard — and may your logs always be verbose.
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The Lazy Networker 