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The CyberSec Guru
@thecybersecguru.com
Cybersecurity Analyst... a.k.a The CyberSec Guru
Android to iPhone AirDrop is now real.
No hacks. No workarounds.
Just fast, clean file sharing across platforms.
This is the biggest peace treaty in smartphone history. 🔥

Read Here: thecybersecguru.com/news/hell-fr...
It’s Here: You Can Now AirDrop from Android to iPhone | The CyberSec Guru
Hell freezes over: Google Quick Share is now compatible with Apple AirDrop. Learn how to transfer files between Android and iPhone in this breaking update.
thecybersecguru.com
November 20, 2025 at 6:17 PM
🚨 3.5B WhatsApp numbers exposed
A flaw in WhatsApp’s contact-lookup let attackers scrape user data at massive scale.

🔐 Update privacy settings
🔐 Enable two-step verification
🔐 Stay alert for scam calls/messages

thecybersecguru.com/news/whatsap...

#WhatsApp #CyberSecurity #DataLeak #InfoSec
3.5 Billion WhatsApp Numbers Exposed: Massive Security Flaw Uncovered (2025) | The CyberSec Guru
BREAKING: A critical WhatsApp flaw has exposed 3.5 billion phone numbers globally. Researchers reveal how the contact discovery leak happened and how to protect your privacy immediately.
thecybersecguru.com
November 19, 2025 at 7:31 PM
Cybersecurity isn’t just losing talent. It’s losing attention.
A new analysis shows 76% of security pros are quietly quitting in 2025.
If the defenders disconnect, the threats don’t slow down.

Full story → thecybersecguru.com/analysis/the...

#CyberSecurity #TheGreatResignation #InfoSec #CISO
The Great Resignation of 2025 | The CyberSec Guru
76% of CISOs are burnt out. Explore the deep data behind the cybersecurity Great Resignation, the $4.44M cost of breach fatigue and more!
thecybersecguru.com
November 19, 2025 at 6:58 PM
Security engineering looks simple until you’re the one designing systems that have to survive real attackers.
From IAM at scale to API abuse, data leaks, infra hardening, and detection gaps.

I broke down the core challenges security engineers face. Worth a read.

🔗 Read below👇
Security Engineering Interview Guide 2025 | The CyberSec Guru
The ultimate guide to breaking into security engineering in 2025. Master real-world system design challenges: OAuth, Zero Trust and more!
thecybersecguru.com
November 19, 2025 at 12:30 PM
Security Copilot Agents are now included in Microsoft 365 E5 at no extra cost.

This changes the game for security teams:
• Automated triage
• Faster incident response
• AI handling the grunt work

If you’re on E5, you just got a serious upgrade.

Full breakdown here:
Security Copilot & Agents Now Free in Microsoft 365 E5 | The CyberSec Guru
Microsoft announces at Ignite 2025 that Security Copilot agents are now included in Microsoft 365 E5. Get the details on SCU limits and new AI stuff.
thecybersecguru.com
November 19, 2025 at 9:55 AM
Ever run sudo without thinking?
That’s how disasters start.

If you use Linux, you need to understand the difference between a normal user, sudo, and full root. One careless command with the wrong privileges can wipe out your system.

I break it down here in the simplest way possible.
The Ultimate Guide to Linux Users, Groups, and Sudo | The CyberSec Guru
The only guide you need for Linux user management. Master the root user (UID 0), the sudo command, /etc/passwd, user creation and much more!
thecybersecguru.com
November 19, 2025 at 6:33 AM
🔥 Built a Python-powered firewall rule simulator from scratch.

If you’ve ever wanted to understand how real firewalls decide ALLOW vs BLOCK, this guide breaks it down with clean code, packet logic, rule parsing, and a full traffic simulator.

Read here 👉 thecybersecguru.com/projects/bui...
Build a Firewall in Python: The Ultimate Guide | The CyberSec Guru
Stop watching tutorials and start coding. Build a professional-grade Firewall Rule Simulator in Python from scratch. Master packet filtering and more!
thecybersecguru.com
November 18, 2025 at 5:00 PM
🚨 DevOps isn’t just “faster deployments.”
It’s real business value.

Teams with strong DORA metrics ship 30x more, recover 168x faster, and hit business goals 2x more often.

If your org still thinks speed hurts stability… it’s already behind.

Full breakdown here: urls.grow.me/vmo1r_2pO8?u...
The Proof Is In: High-Performing DevOps Orgs Are Crushing Their Peers | The CyberSec Guru
A deep dive into the State of DevOps Report stats. Learn how elite performers achieve 30x more deployments, 200x faster lead times and more!
urls.grow.me
November 18, 2025 at 9:02 AM
Ever been trapped in Linux “dependency hell”?
Meet the heroes: apt and dnf.

From clean installs to smarter updates, package managers decide whether your day is smooth or chaotic.

Full guide: urls.grow.me/PSUa273NSC?u...

#Linux #DevOps #SysAdmin #FOSS
The Ultimate Guide to Linux Package Management | The CyberSec Guru
Stop compiling from source! This guide is the only one you'll ever need. Master apt, dnf, yum, PPAs, dpkg, rpm, and end "dependency hell" forever.
urls.grow.me
November 18, 2025 at 4:38 AM
🚨 Built my own Network IDS with Snort and turned my lab into a threat-catching machine.

If you want to see every scan, sweep and exploit attempt hitting your network, this guide walks you through the full setup + custom rules.

Check it out: urls.grow.me/PkgFMDVMPI?u...

#CyberSecurity #Snort #NIDS
Build a Network Intrusion Detection System (NIDS) with Snort | The CyberSec Guru
Go from zero to hero with our definitive guide to building a Network Intrusion Detection System (NIDS) using Snort. Learn networking and Snort!
urls.grow.me
November 17, 2025 at 12:11 PM
🚨 Most networks fail because they don’t even know which ports are open.

Just dropped a simple, practical guide on Nmap port scanning + building your own Python scanner.
If you’re into security, this will level you up fast.

Check it out: urls.grow.me/fNW8Gk3b9O?u...

#CyberSecurity #Nmap #Python
The Ultimate Guide to Port Scanning | The CyberSec Guru
The only port scanning guide you'll ever need. This guide takes you from zero networking knowledge to building your own Python port scanner
urls.grow.me
November 16, 2025 at 6:15 PM
🚨 Ever wondered what your network is *really* doing behind the scenes?

I just dropped a tutorial on building a Python network sniffer with Scapy.
Perfect for anyone in cybersecurity or networking who wants to see packets in real time.

Check it out 👇
urls.grow.me/DU9VSmb3V5?u...

#Cybersecurity
The Ultimate Guide to Building a Network Sniffer | The CyberSec Guru
Learn to build a powerful network sniffer from scratch using Python and Scapy. This massive, step-by-step tutorial covers everything for packets
urls.grow.me
November 16, 2025 at 11:51 AM
7 DevOps myths still hurting teams:
“Only for startups,” “Replaces Agile,” “Conflicts with ITIL,” “Ignores security,” “Kills Ops,” “Just automation,” “Linux only.”

Truth: DevOps is culture, speed and shared ownership.

#DevOps #SRE #DevSecOps

urls.grow.me/zUyy1Qdk1v?u...
7 DevOps Myths That Are Sabotaging Your IT Department (And How to Bust Them) | The CyberSec Guru
The ultimate guide debunking the 7 biggest DevOps myths. We explain why DevOps is not 'just for startups' and is fully compatible with ITIL, InfoSec
urls.grow.me
November 15, 2025 at 4:52 PM
🔥 Linux acting weird? CPU spiking? A rogue process ruining your night?

I just dropped a simple, practical guide on ps, top, htop, kill, pgrep, pkill and everything you need to take control of your system.

Stop guessing. Start diagnosing.

Read here 👉 urls.grow.me/_ilmJgkQ0z?u...
Master Linux Process Management: The Ultimate Guide to ps, top, kill, htop & More (2025) | The CyberSec Guru
Your system is frozen. What now? This guide is the only one you'll ever need. Master ps, top, htop, kill, kill -9, signals, nice, and zombie processes.
urls.grow.me
November 15, 2025 at 4:00 PM
🔐 Struggling with “Permission denied” on Linux?

I broke down file permissions in a simple, practical way:
✔ RWX explained
✔ chmod (symbolic + numeric)
✔ When to use 644 / 755 / 600
✔ setuid, setgid, sticky bit
✔ umask basics

Full guide: urls.grow.me/e4qcOX6xX2?u...

#Linux #CyberSecurity
The Ultimate Guide to Linux File Permissions | The CyberSec Guru
Stop being confused by chmod 755! This complete guide demystifies Linux file permissions. Master chmod, chown, rwx, setuid, umask and more!
urls.grow.me
November 13, 2025 at 5:36 PM
Dev wants speed.
Ops wants stability.
And the business keeps asking for both.

This clash is the root of half the chaos in tech teams.

I broke down the real Dev vs Ops conflict and how to fix it without choosing sides.

Read here 👇
urls.grow.me/grtzAtjPZ3?u...

#DevOps #SRE #EngineeringLeadership
Dev vs. Ops: How to Break the Core, Chronic Conflict (An Ultimate Guide) | The CyberSec Guru
An ultimate guide to the 'core, chronic conflict' between Dev and Ops, based on 'The DevOps Handbook.' We dissect the misaligned goals, the downward spiral, and how 'technical debt' becomes the key sy...
urls.grow.me
November 13, 2025 at 12:13 PM
🚨 Ever been paged at 3 AM for a broken deploy? That’s not bad luck—it’s bad systems thinking.

Your real “Aha!” moment in DevOps isn’t when things break… it’s when you realize Dev vs Ops was never the problem — the wall between them was.

Read: 👉 urls.grow.me/n9FBfiafbo?u...

#DevOps #SRE #CICD
Why DevOps? The 'Aha!' Moment That's Redefining IT (An Ultimate Guide) | The CyberSec Guru
A deep dive into the 'why' of DevOps. We explore the 'aha' moment that shifted IT from a tactical cost center to a strategic powerhouse.
urls.grow.me
November 12, 2025 at 4:25 PM
🚨 Preparing for cybersecurity interviews in 2025?

Don’t go in blind.

Here’s a free guide packed with must-know questions, answers & cheat sheets:

urls.grow.me/Xly_XYRjyG?u...

#CyberSecurity #InfoSec #CareerPrep
The Ultimate 2025 Cybersecurity Interview Questions Guide | The CyberSec Guru
Nail your next cyber interview! Get our FREE 2025 study guide with 100+ questions on networking, cloud, Zero Trust, and more. Download Now!
urls.grow.me
November 11, 2025 at 3:42 PM
🕵️‍♂️ Dive deep into your network’s secret life!

📘 The Ultimate Wireshark Guide — capture, decode & analyze packets like a pro. No fluff. Just practical network forensics & analysis tips.

Free download 👉 urls.grow.me/HOrGfQsuTG?u...

#Wireshark #CyberSecurity #Networking #Infosec
The Ultimate Wireshark Guide: From Network Novice to Packet Pro | The CyberSec Guru
Master network analysis with my ultimate Wireshark guide for 2025. Learn to capture packets, use filters, detect threats like MITM and more!
urls.grow.me
November 11, 2025 at 7:08 AM
🧠 Tired of “Permission Denied”?
🔥 Grab The Ultimate Linux Server Configuration Guide — FREE!

From mastering permissions to hosting your own web & MySQL servers, this 72-page guide covers it all.

💻 Download now → urls.grow.me/JsW6K03Q2d?u...

#Linux #SysAdmin #DevOps #CyberSecurity #OpenSource
Ultimate Linux Server Configuration Guide | The CyberSec Guru
Master your Linux server. Our ultimate guide covers setup, essential commands, file permissions and more. Download the full 72-page PDF!
urls.grow.me
November 10, 2025 at 2:31 PM
🔥 Ever wondered how Linux actually keeps one process from eating your whole CPU?

Meet cgroups — the kernel’s secret sauce behind Docker, K8s & systemd.

Learn how they isolate, limit, and monitor CPU, memory & I/O like magic 👇

urls.grow.me/sRcvdBZm0i?u...

#Linux #DevOps #Kubernetes #SysAdmin
The Ultimate Guide to Linux Cgroups (v1 & v2): From Basics to Advanced Orchestration | The CyberSec Guru
A comprehensiveguide to Linux Cgroups. Master resource management, from cgroup v1 and v2 fundamentals to practical uses and more!
urls.grow.me
November 10, 2025 at 6:16 AM
Cut your busy-work in half: check out my new guide to automating EVERYTHING with n8n 🔧📊 — from Gmail workflows to full-scale integrations.

thecybersecguru.com/glossary/the...

#automation #nocode #n8n
The Ultimate n8n Guide (2025): From Beginner to Pro Automation | The CyberSec Guru
The only n8n tutorial you'll ever need. This guide covers self-hosting, JSON, all nodes, AI agents, Google Cloud setup, and advanced patterns.
thecybersecguru.com
October 25, 2025 at 4:22 PM
🚀 Ready to level up your Linux skills?

The Ultimate Linux Command Guide is your one-stop resource—from beginner basics to pro-level tricks.
Master navigation, file management, permissions, networking, and more with clear, hands-on examples.

thecybersecguru.com/glossary/ult...

#Linux
The Ultimate Guide to Mastering Linux Commands (From Beginner to Pro in 2025) | The CyberSec Guru
Stop searching. This is the last Linux command guide you'll ever need. A masterclass covering navigation, file management, processes, networking.
thecybersecguru.com
October 24, 2025 at 9:00 PM
Want to future-proof your DevOps career in 2025? 🛠️
Check out this Ultimate DevOps Roadmap — from Python & Linux fundamentals ➝ GitOps, Service Mesh, Observability & more 🔍

Start small. Build deep. Iterate forever.

🔗 thecybersecguru.com/devops/ultim...

#devops
Essential DevOps Roadmap: Skills for 2025 and Beyond | The CyberSec Guru
Master the Ultimate DevOps Roadmap! This post covers key practices, tools, and strategies to enhance your DevOps journey and more!
thecybersecguru.com
October 9, 2025 at 4:56 PM