Tech Skills

Cybersecurity

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

17,797
lessons
Skills in this topic
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Security Basics
beginner
Fix OWASP top 10 vulnerabilities
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 (10,893) Articles (5390)Blog Posts (4254)Tutorials (378)Research Papers (34)News (837)
Someone dumped 20 zero-days on open source tools with no warning. The fuzzing was run by AI.
Dev.to · Md Jamilur Rahman 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Someone dumped 20 zero-days on open source tools with no warning. The fuzzing was run by AI.
Last week an anonymous GitHub account called bikini pushed a repository named exploitarium and, in...
The CompTIA concepts people keep confusing (and how to actually tell them apart)
Dev.to · Leon Odor 🔐 Cybersecurity ⚡ AI Lesson 5d ago
The CompTIA concepts people keep confusing (and how to actually tell them apart)
Most wrong answers on Security+ and Network+ aren't knowledge gaps. You read the objective, you...
Polymarket Hack: How Third-Party Vendors Risk Your Crypto
Dev.to · Newzlet 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Polymarket Hack: How Third-Party Vendors Risk Your Crypto
What We Know: The Basics of the Breach Polymarket, one of the largest prediction market...
Air-gapped code review with Ollama: when the diff never leaves the machine
Dev.to · Muhammet ŞAFAK 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Air-gapped code review with Ollama: when the diff never leaves the machine
The previous post was about scanning your diff for secrets before it leaves your machine. This one is...
Keyless by Default: Securing FarmOps Desk without a Single Static Secret
Dev.to · Jamal Ibrahim Umar 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Keyless by Default: Securing FarmOps Desk without a Single Static Secret
Part of the H0: Hack the Zero Stack submission. See the project on Devpost. Every hackathon...
Almost half the WordPress plugin directory has not been updated in two years
Dev.to · Chris Morris 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Almost half the WordPress plugin directory has not been updated in two years
I indexed the WordPress.org plugin directory and measured how well it is maintained. The headline: of...
Building FoilSuite: A Privacy-First Security Toolkit for Browser and IoT Security
Dev.to · Nikola Pavlović, PhD 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Building FoilSuite: A Privacy-First Security Toolkit for Browser and IoT Security
Most phishing tools still rely on sending your data to the cloud. That means your...
A Rogue Registry in My Own Backyard: Anatomy of a Two-Line Supply Chain Attack
Dev.to · Sebastian Schürmann 🔐 Cybersecurity ⚡ AI Lesson 5d ago
A Rogue Registry in My Own Backyard: Anatomy of a Two-Line Supply Chain Attack
The previous parts of this series were written from a comfortable distance. I read the Trend Micro...
Cloudflare Patches Critical CVE Vulnerability Across All Servers Within Two Days of Disclosure
Dev.to · Ksenia Rudneva 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Cloudflare Patches Critical CVE Vulnerability Across All Servers Within Two Days of Disclosure
Introduction Cloudflare, a global leader in internet security and content delivery,...
Reddit r/cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 5d ago
It's looking like a hot, messy summer for security teams as AI finds countless previously hidden vulns
More holes, more patches. https://www.theregister.com/security/2026/06/27/its-looking-like-a-hot-messy-summer-for-security-teams-as-ai-finds-countless-previousl
Undisclosed 0-Days, OpenZL for Zero-Trust, and Reddit's Anti-Spam Architecture
Dev.to · soy 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Undisclosed 0-Days, OpenZL for Zero-Trust, and Reddit's Anti-Spam Architecture
Undisclosed 0-Days, OpenZL for Zero-Trust, and Reddit's Anti-Spam Architecture ...
Tune spam detection for your agent mailbox
Dev.to · Qasim 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Tune spam detection for your agent mailbox
Dial DNSBL checks, header-anomaly detection, and spam sensitivity on an Agent Account policy — so filtering fits each class of agent instead of one global defau
Email Verification Link Leading to Forced Account Takeover
Dev.to · Bijan 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Email Verification Link Leading to Forced Account Takeover
What if clicking a completely legitimate verification link from a trusted domain could silently log...
The Checkout Intercept: How Cybercriminals Steal Your Card Data Without Touching Your Phone
Dev.to · carlos lopez 🔐 Cybersecurity ⚡ AI Lesson 5d ago
The Checkout Intercept: How Cybercriminals Steal Your Card Data Without Touching Your Phone
The padlock icon in your browser's address bar does not mean your card is safe. That's the assumption...
I Tried to Hack My Own Hackathon Project. It Took Ten Minutes
Dev.to · Aditya Chooramani 🔐 Cybersecurity ⚡ AI Lesson 5d ago
I Tried to Hack My Own Hackathon Project. It Took Ten Minutes
Back in February I helped build a thing called Sentinel Eye for the HyperSpace Innovation...
Authentication vs Authorization in Cloud Security: Understanding the Difference 🔥
Dev.to · Ria saraswat 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Authentication vs Authorization in Cloud Security: Understanding the Difference 🔥
When we use applications like Gmail, Netflix, or online banking, we rarely think about the security...
Introducing Siyarix v1.0.0 — An Open-Source AI-Powered Cybersecurity Orchestration Framework
Dev.to · MD MUFTHAKHERUL ISLAM MIRAZ 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Introducing Siyarix v1.0.0 — An Open-Source AI-Powered Cybersecurity Orchestration Framework
Today I'm excited to announce the first stable release of Siyarix (v1.0.0)! Siyarix is an...
I Popped Admin on a SaaS Platform in 2 HTTP Requests — Here’s the Whole Kill Chain
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 5d ago
I Popped Admin on a SaaS Platform in 2 HTTP Requests — Here’s the Whole Kill Chain
Free account → full data breach → 1,630 private documents → CEO account takeover. All before my coffee got cold. Continue reading on Medium »
I Popped Admin on a SaaS Platform in 2 HTTP Requests — Here’s the Whole Kill Chain
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 5d ago
I Popped Admin on a SaaS Platform in 2 HTTP Requests — Here’s the Whole Kill Chain
Free account → full data breach → 1,630 private documents → CEO account takeover. All before my coffee got cold. Continue reading on Medium »
Inside the Command, Control, and Exploitation of North Korea’s Disguised IT Workforce
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Inside the Command, Control, and Exploitation of North Korea’s Disguised IT Workforce
The Digital Assembly Line Continue reading on Medium »
FBI says Russian intelligence hackers have a new trick for reading your Signal messages, and it works even after you change phones
The Next Web AI 🔐 Cybersecurity ⚡ AI Lesson 5d ago
FBI says Russian intelligence hackers have a new trick for reading your Signal messages, and it works even after you change phones
The FBI and CISA have warned that Russian intelligence hackers are now targeting Signal users’ backup recovery keys, an escalation of a phishing campaign that h
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 5d ago
I jailbroke a robot’s brain with one sentence. Then I open-sourced the tool.
Last week I gave a robot policy one extra sentence. It dropped its real task and did what I told it instead. Same setup without the… Continue reading on Medium
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 5d ago
This Is Quietly Breaking SOC Workflows
Something is starting to crack inside a lot of security teams right now. Continue reading on Medium »
Your Source Is Clean. Your Binary Isn’t.
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Your Source Is Clean. Your Binary Isn’t.
What if your code passed review, your git history was spotless, and your SAST scan was green — and the binary you shipped was still… Continue reading on Medium
Detecting Supply-Chain Malware Without Running the Code
Dev.to · Pavel Espitia 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Detecting Supply-Chain Malware Without Running the Code
After I got targeted by a fake-job-interview repo designed to steal my keys, I built a scanner that...
Stop Pasting Your JWT Tokens Into Random Websites
Dev.to · bore.ddev 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Stop Pasting Your JWT Tokens Into Random Websites
I built a 21-tool developer toolkit that runs entirely in your browser. No servers. No sign-ups. No...
Kerberos Authentication
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Kerberos Authentication
Understanding Kerberos Authentication: Mechanisms, Tickets, and Key Concepts Continue reading on Medium »
Falsifiable Security: The Forward Case for Chaos Engineering in Cyber Defense
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Falsifiable Security: The Forward Case for Chaos Engineering in Cyber Defense
Chaos engineering was born at Netflix as a way to prove that distributed systems could survive failure, and it is now being adapted to… Continue reading on Medi
IBM and OpenAI Just Changed Enterprise Cybersecurity Forever
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 5d ago
IBM and OpenAI Just Changed Enterprise Cybersecurity Forever
After studying enterprise security trends, I realized AI is no longer just helping developers — it is becoming part of the security team. Continue reading on Me
WordPress Security: Protecting More Than Just a Website
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 5d ago
WordPress Security: Protecting More Than Just a Website
A few months ago, I was contacted by a small business owner whose WordPress site had been hacked. Continue reading on Medium »
Browser Security Model: The Defensive Walls Every Hacker Knows (And Every Developer Should Too)
Dev.to · Arashad Dodhiya 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Browser Security Model: The Defensive Walls Every Hacker Knows (And Every Developer Should Too)
"To defend a system, you must first think like the attacker." I'll tell you this: the browser is...
The Report Was Good. That’s What Made the Gap Interesting.
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 5d ago
The Report Was Good. That’s What Made the Gap Interesting.
What a broken deployment, an unauthenticated SAP endpoint, and a footnote taught me about what assessment delivery actually requires. Continue reading on Cyber
Vulnerability Assessment
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Vulnerability Assessment
Firstly, lets figure out what vulnerability is. Basically A vulnerability in cybersecurity is a weakness or flaw in a system, application… Continue reading on M
How Hacker Gets Initial Access
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 5d ago
How Hacker Gets Initial Access
What is Initial Access? Continue reading on Medium »
Why I'm Building a Decentralized Anti-Cheat Instead of Another Plugin
Dev.to · Ahad pro Gamer 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Why I'm Building a Decentralized Anti-Cheat Instead of Another Plugin
When most people think about anti-cheat, they think about kernel drivers, signature scanning, or...
Reddit r/LocalLLaMA 🔐 Cybersecurity ⚡ AI Lesson 5d ago
96gb+ 4090's and 5090 are literally a scam. I mods these cards myself
I run a small gpu lab in the USA and work closely with two factories in china designing/producing 48gb 4090 PCB's. The only recent card weve gotten was the 32gb
5G Subscriber Privacy: How SUCI Concealment Fights IMSI-Catchers
Dev.to · Haven Messenger 🔐 Cybersecurity ⚡ AI Lesson 5d ago
5G Subscriber Privacy: How SUCI Concealment Fights IMSI-Catchers
For more than two decades, when your phone introduced itself to a cell tower it could be made to...
I Spent a Week Learning to Break Into Computers — Here’s What Surprised Me Most
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 5d ago
I Spent a Week Learning to Break Into Computers — Here’s What Surprised Me Most
A first-year computer science student’s account of five days at Uganda Christian University’s Cybersecurity Bootcamp Continue reading on Medium »
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 5d ago
TryHackMe Writeup: IronShade APT Forensic Analysis
This post dissects a simulated incident involving IronShade, a notorious hacking group known for targeting Linux infrastructure with… Continue reading on Medium
Security triage shouldn't happen in another browser tab.
Dev.to · Renato Marinho 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Security triage shouldn't happen in another browser tab.
Stop context-switching between security dashboards and your IDE. Learn how using an MCP server for Contrast Security can transform vulnerability triage from a m
What 10,000 domains actually publish for email authentication in 2026
Dev.to · Vadim Ivanov 🔐 Cybersecurity ⚡ AI Lesson 5d ago
What 10,000 domains actually publish for email authentication in 2026
Email authentication has been "solved" on paper for years. SPF, DKIM, and DMARC are old standards,...
NDPR Compliance for Nigerian Developers — Implementation Guide 2026
Dev.to · zikarelhub 🔐 Cybersecurity ⚡ AI Lesson 5d ago
NDPR Compliance for Nigerian Developers — Implementation Guide 2026
NDPR has been Nigerian law since 2019. Most Nigerian businesses aren't compliant. Here's a practical...
Dormant Credentials Are an Active Threat
Medium · DevOps 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Dormant Credentials Are an Active Threat
On June 17, 2026, someone logged into an npm account that had not published anything since February 2025 and used it to push malicious… Continue reading on Medi
PeopleSoft Zero-Day: Why the 2-Week Gap Is the Real Risk
Dev.to · Newzlet 🔐 Cybersecurity ⚡ AI Lesson 5d ago
PeopleSoft Zero-Day: Why the 2-Week Gap Is the Real Risk
What Happened: ShinyHunters Found a Door Oracle Left Open ShinyHunters, one of the most...
Are Microsoft Signed Packages Safe? 73 Were Not
Dev.to · Newzlet 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Are Microsoft Signed Packages Safe? 73 Were Not
What Actually Happened: 73 Signed Packages, One Nasty Surprise Late last week, 73 open...
Hunting Digital Chameleons: How We Defeated Botnets in Laravel v2.4.0
Dev.to · Oleksii Antoniuk 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Hunting Digital Chameleons: How We Defeated Botnets in Laravel v2.4.0
In the world of web traffic, there’s a simple rule: if it looks like a regular user, walks like a...
HackTheBox: FireFlow Writeup
Dev.to · Yogeshwar Peela 🔐 Cybersecurity ⚡ AI Lesson 5d ago
HackTheBox: FireFlow Writeup
Executive Summary FireFlow is a Linux machine running a fictional "Task Force Nightfall"...
The Internet's Biggest Lie: Your Password Is Never Actually Verified
Dev.to · Daniel Isaac E 🔐 Cybersecurity ⚡ AI Lesson 5d ago
The Internet's Biggest Lie: Your Password Is Never Actually Verified
What if I told you that the password you type during login is never actually compared with the one...