Tech Skills

Cybersecurity

Ethical hacking, penetration testing, network security, CTFs and defensive security

18,770
lessons
Skills in this topic
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Security Basics
beginner
Fix OWASP top 10 vulnerabilities
Cryptography Fundamentals
intermediate
Explain how digital signatures prevent tampering
AI Security
intermediate
Identify and patch prompt injection vulnerabilities
Network Security
intermediate
Configure a firewall with proper inbound/outbound rules
Ethical Hacking & Pen Testing
intermediate
Conduct a full pen test with Kali Linux
Cloud Security
intermediate
Implement IAM least-privilege policies on AWS/GCP
Incident Response
intermediate
Build an incident response playbook
Security Compliance
intermediate
Map controls for SOC 2 Type II compliance
Defensive AI
advanced
Build an AI-powered log anomaly detector
All Reads (11,854) Articles (5951)Blog Posts (4565)Tutorials (436)Research Papers (37)News (865)
Anatomy of a 6.2M Record Telecom Breach: When Vishing Meets Broken Access Control
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Anatomy of a 6.2M Record Telecom Breach: When Vishing Meets Broken Access Control
How a simple social engineering attack bypassed a national telecom’s entire security perimeter, and the architectural failures that… Continue reading on InfoSec
Havenlon Whitepaper Explained | Execution Control Philosophy (5): From Information Security to…
Medium · AI 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Havenlon Whitepaper Explained | Execution Control Philosophy (5): From Information Security to…
Based on Section 1.4 of the Havenlon Whitepaper v2.0. This section explains why traditional information security cannot govern execution… Continue reading on Me
Havenlon Whitepaper Explained | Execution Control Philosophy (5): From Information Security to…
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Havenlon Whitepaper Explained | Execution Control Philosophy (5): From Information Security to…
Based on Section 1.4 of the Havenlon Whitepaper v2.0. This section explains why traditional information security cannot govern execution… Continue reading on Me
(How Influence Operations Work)What the Dark Web Taught Me About Modern Influence Operations
Dev.to · Adrian Alexandru Stinga 🔐 Cybersecurity ⚡ AI Lesson 2w ago
(How Influence Operations Work)What the Dark Web Taught Me About Modern Influence Operations
What nearly two decades of observing dark web ecosystems taught me about how influence operations...
(How Influence Operations Work)What the Dark Web Taught Me About Modern Influence Operations
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
(How Influence Operations Work)What the Dark Web Taught Me About Modern Influence Operations
What nearly two decades of observing dark web ecosystems taught me about how influence operations really work. It often starts much deeper… Continue reading on
Havenlon Whitepaper Explained | Execution Control Philosophy (4): Why Traditional Security Fails in…
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Havenlon Whitepaper Explained | Execution Control Philosophy (4): Why Traditional Security Fails in…
Based on Sections 1.2 and 1.3 of the Havenlon Whitepaper v2.0. This section highlights that decision-making, approval, and execution all… Continue reading on Me
The Foundation Web3 Has Been Missing
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
The Foundation Web3 Has Been Missing
Security infrastructure isn’t a feature. It’s the reason adoption happens at all. Here’s what the missing layer actually looks like. Continue reading on Serenit
Why Cyber Security Certifications Are Essential for Students and IT Professionals
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Why Cyber Security Certifications Are Essential for Students and IT Professionals
Building a Successful Career in Cybersecurity Through Professional Certification Continue reading on Medium »
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
7 Types of WordPress Malware (And Exactly What Each One Does to Your Site)
Not all WordPress malware is the same. Knowing which type you’re dealing with changes everything about how you remove it. Continue reading on Medium »
Scammers Now Use AI to Sound Exactly Like Someone You Trust
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Scammers Now Use AI to Sound Exactly Like Someone You Trust
The voice on the phone was unmistakable. Same tone. Same way of pausing before a sentence. It just wasn’t them. Continue reading on Medium »
Understanding the CIA Triad: The Foundation of Cybersecurity
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Understanding the CIA Triad: The Foundation of Cybersecurity
Imagine a company loses access to its customer database after a ransomware attack. Operations come to a halt, employees cannot access… Continue reading on the c
HackTheBox: Data Writeup
Dev.to · Yogeshwar Peela 🔐 Cybersecurity ⚡ AI Lesson 2w ago
HackTheBox: Data Writeup
Summary Data is a Linux box running Grafana 8.0.0 behind SSH and port 3000. The Grafana...
A US spectrum auction just raised $3.5B to pay for ripping out Huawei
The Next Web AI 🔐 Cybersecurity ⚡ AI Lesson 2w ago
A US spectrum auction just raised $3.5B to pay for ripping out Huawei
The Federal Communications Commission has raised about $3.5 billion from an auction of mid-band wireless spectrum, with most of the proceeds earmarked to fund t
CVE-2026-48167: CVE-2026-48167: Stored Cross-Site Scripting (XSS) via Attribute Injection in Filament ImageColumn and ImageEntry
Dev.to · CVE Reports 🔐 Cybersecurity ⚡ AI Lesson 2w ago
CVE-2026-48167: CVE-2026-48167: Stored Cross-Site Scripting (XSS) via Attribute Injection in Filament ImageColumn and ImageEntry
CVE-2026-48167: Stored Cross-Site Scripting (XSS) via Attribute Injection in Filament...
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 2w ago
I built a honeypot that fingerprints every script kiddie that knocks & here's what I found!
<img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.us-east-2.amazon
A Summary of Shellcode Evasion Techniques
Dev.to · Excalibra 🔐 Cybersecurity ⚡ AI Lesson 2w ago
A Summary of Shellcode Evasion Techniques
Shellcode Evasion Techniques: A Practical Guide Introduction I aim to elucidate...
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
The Privacy Bill Always Comes Due — Joseph Sides
Many companies still treat privacy and data protection like optional overhead. They will spend aggressively on marketing, customer… Continue reading on Medium »
Germany went off the rails as wireless outage saw all trains cancelled
The Register 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Germany went off the rails as wireless outage saw all trains cancelled
Unexplained GSM-R failure at Deutsche Bahn caused confusion and delay
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Pentesting for me
hei guys i wonder how you people are doing m here to track my journey of cyber security as i m in the field for more than 3 years but all… Continue reading on M
My CloudSEK CTF 2026 Experience
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
My CloudSEK CTF 2026 Experience
The CloudSEK Women’s Hiring CTF 2026 was a 48 hours, multi-category competition covering ransomware analysis, OSINT, web exploitation, and… Continue reading on
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Cyber Security Companies in India: Empowering Businesses with Advanced Digital Protection
In an increasingly connected world, cybersecurity has become one of the most critical priorities for organizations of all sizes. As… Continue reading on Medium
FIFA World Cup 2026 Cyber Threats: What Every Enterprise Needs to Know Right Now
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
FIFA World Cup 2026 Cyber Threats: What Every Enterprise Needs to Know Right Now
FIFA World Cup 2026 cyber threats are not contained to North America. If your enterprise has employees watching matches, vendors connected… Continue reading on
From Langflow to Monero: Inside CVE-2026-33017 Cryptominer
Dev.to · Mark0 🔐 Cybersecurity ⚡ AI Lesson 2w ago
From Langflow to Monero: Inside CVE-2026-33017 Cryptominer
This article details a cryptocurrency-mining campaign exploiting CVE-2026-33017, an unauthenticated...
MCP Security Starts After Tool Approval | Focused Labs
Dev.to · Austin Vance 🔐 Cybersecurity ⚡ AI Lesson 2w ago
MCP Security Starts After Tool Approval | Focused Labs
MCP security best practices need runtime drift detection, capability manifests, quarantine, and per-call evidence after tool approval.
ShadowCrypt [Web] E2E Encrypted Messaging platform for the Privacy-Conscious
Dev.to · Aarav 🔐 Cybersecurity ⚡ AI Lesson 2w ago
ShadowCrypt [Web] E2E Encrypted Messaging platform for the Privacy-Conscious
ShadowCrypt [Web] is a more secure successor of one of my previous projects, "ShadowCrypt". Here,...
From Foothold to SYSTEM: Bypassing Windows UAC with UACMe
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
From Foothold to SYSTEM: Bypassing Windows UAC with UACMe
I recently completed a INE practical lab on Windows privilege escalation and wanted to share a quick step-by-step breakdown. Continue reading on Medium »
Demystifying the Internet’s Address Book: Why You Don’t Have to Memorize 10.10.10.10
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Demystifying the Internet’s Address Book: Why You Don’t Have to Memorize 10.10.10.10
Imagine if, every time you wanted to order a late-night burrito or check your bank account, you had to memorize a string of random numbers… Continue reading on
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Why Poor Evidence Creates Slow Scam Response
Slow scam response is often blamed on staffing, regulation, platform delays, cross-sector coordination, or the speed at which scammers… Continue reading on Medi
So… what does OIIAI have to do with cybersecurity?
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
So… what does OIIAI have to do with cybersecurity?
Recently, while exploring a web game on browser (https://oiiai.cat/games), I came across a curious UI behavior: Continue reading on Medium »
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
The Silent Data Leak: Hardening Production Gateways Against GraphQL Introspection
The paradigm shift toward dynamic database architectures has fundamentally changed how modern web services communicate. For years, system… Continue reading on M
What the JSON Formatter Leaks Taught Me About Browser-Side Tools
Dev.to · m-naoki-m 🔐 Cybersecurity ⚡ AI Lesson 2w ago
What the JSON Formatter Leaks Taught Me About Browser-Side Tools
A formatter leak that should change how you pick tools In late November 2025, security...
¿Qué hacer si te han estafado con criptomonedas?
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
¿Qué hacer si te han estafado con criptomonedas?
Subtitle: Las transacciones blockchain suelen ser irreversibles, pero actuar rápidamente puede ayudarte a proteger tus cuentas, conservar… Continue reading on M
The MSSP Market Has 40,000 Providers. Here Is Why Almost None of Them Are Built for Your Startup.
Medium · Startup 🔐 Cybersecurity ⚡ AI Lesson 2w ago
The MSSP Market Has 40,000 Providers. Here Is Why Almost None of Them Are Built for Your Startup.
How the managed security industry ignored an entire segment of the market, and what T-Mat Global Technologies built to fill it. Continue reading on Medium »
When the Signature No Longer Fits the Packet
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
When the Signature No Longer Fits the Packet
A new quantum executive order quietly sets a deadline that breaks DNSSEC, not just TLS. Continue reading on Stackademic »
Why Traditional Bot Protection Is Struggling in the Age of AI
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Why Traditional Bot Protection Is Struggling in the Age of AI
The internet is changing faster than ever. Advances in artificial intelligence have made it possible for bots to behave more like humans… Continue reading on Me
Vulnerabilidades Basadas en el DOM: Guía Técnica de Explotación y Mitigación
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Vulnerabilidades Basadas en el DOM: Guía Técnica de Explotación y Mitigación
Aprende a identificar, explotar y mitigar vulnerabilidades DOM (XSS, CSPP y DOM Clobbering) con metodologías avanzadas de Bug Bounty. Continue reading on Medium
Analysis of a Domestic Website Compromise and Its Abuse for Black Hat SEO Activities
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Analysis of a Domestic Website Compromise and Its Abuse for Black Hat SEO Activities
Executive Summary Continue reading on Medium »
Mitigate, transfer, avoid, accept: the Security+ risk response people keep mixing up
Dev.to · TiltedLunar123 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Mitigate, transfer, avoid, accept: the Security+ risk response people keep mixing up
If you have started working through the risk management material for SY0-701, you have probably hit a...
Reddit r/cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
notificação push
Is it possible to embed malware in a PDF to force push notifications to appear on Android or iOS? Example: Sending a purchase invoice as a PDF; when opening the
Cybersecurity Lab
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Cybersecurity Lab
# Building an Active Directory Security Lab — Part 1: Deploying the Domain Controller Continue reading on Medium »
Klue says hackers stole credential from 2022 that led to customer data breaches | TechCrunch
Reddit r/cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Klue says hackers stole credential from 2022 that led to customer data breaches | TechCrunch
<img src="https://external-preview.redd.it/wnbOoAOyTQ0j6JgrSC5I0PooioJcWjPigJReiQXymXg.jpeg?width=640&crop=smart&auto=webp&s=d49314dee77e475cb3f9241
Building a Vulnerability Management and Remediation Homelab with Nessus
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Building a Vulnerability Management and Remediation Homelab with Nessus
To strengthen my practical understanding of vulnerability management, I built a homelab using Nessus Essentials, Windows 10, and VMware… Continue reading on Med
Instagram Is Down Again And the Real Story Isn’t the Outage, It’s What Happens in the 30 Minutes…
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Instagram Is Down Again And the Real Story Isn’t the Outage, It’s What Happens in the 30 Minutes…
A cybersecurity perspective on platform failures, the scams that ride in behind them, and why “is it down?” is the wrong question to be… Continue reading on Med
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
I Read 40+ Cybersecurity Books So You Don’t Have To.
There’s a strange ritual every aspiring security professional goes through. Continue reading on Medium »
Simulating and Detecting Network Threats: A Hands-On Dive into TCP SYN Floods and Snort IDS
Medium · Python 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Simulating and Detecting Network Threats: A Hands-On Dive into TCP SYN Floods and Snort IDS
Network availability and perimeter defense are foundational to any corporate infrastructure. But to truly defend a network, you have to… Continue reading on Med
Simulating and Detecting Network Threats: A Hands-On Dive into TCP SYN Floods and Snort IDS
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Simulating and Detecting Network Threats: A Hands-On Dive into TCP SYN Floods and Snort IDS
Network availability and perimeter defense are foundational to any corporate infrastructure. But to truly defend a network, you have to… Continue reading on Med
Reddit r/cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
New Ticketmaster breach?
Over the past week, an email alias I use exclusively for Ticketmaster has started receiving multiple phishing and scam messages. Since that address has never be
PhantomScan — My Pentesting Toolkit by Mohammed Ayaan
Dev.to · MOHAMMED AYAAN 🔐 Cybersecurity ⚡ AI Lesson 2w ago
PhantomScan — My Pentesting Toolkit by Mohammed Ayaan
Hi, I'm Mohammed Ayaan — Full Stack AI Engineer and Ethical Hacker from Hyderabad, India. TryHackMe...