Tech Skills

Cybersecurity

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

10,277
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 (3,376) Articles (2339)Blog Posts (655)Tutorials (273)Research Papers (4)News (105)
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 2d 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 2d 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 3d 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 3d 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 3d 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 3d 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 3d 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 3d 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...
Undisclosed 0-Days, OpenZL for Zero-Trust, and Reddit's Anti-Spam Architecture
Dev.to · soy 🔐 Cybersecurity ⚡ AI Lesson 3d 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 3d 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
The Checkout Intercept: How Cybercriminals Steal Your Card Data Without Touching Your Phone
Dev.to · carlos lopez 🔐 Cybersecurity ⚡ AI Lesson 3d 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 3d 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 3d 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 3d 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 3d 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 3d 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 3d 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 3d 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 3d 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 3d 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 3d 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 3d 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...
Falsifiable Security: The Forward Case for Chaos Engineering in Cyber Defense
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d 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 3d 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 3d 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 3d 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...
Why I'm Building a Decentralized Anti-Cheat Instead of Another Plugin
Dev.to · Ahad pro Gamer 🔐 Cybersecurity ⚡ AI Lesson 3d 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...
5G Subscriber Privacy: How SUCI Concealment Fights IMSI-Catchers
Dev.to · Haven Messenger 🔐 Cybersecurity ⚡ AI Lesson 3d 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...
Security triage shouldn't happen in another browser tab.
Dev.to · Renato Marinho 🔐 Cybersecurity ⚡ AI Lesson 3d 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
PeopleSoft Zero-Day: Why the 2-Week Gap Is the Real Risk
Dev.to · Newzlet 🔐 Cybersecurity ⚡ AI Lesson 3d 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 3d ago
Are Microsoft Signed Packages Safe? 73 Were Not
What Actually Happened: 73 Signed Packages, One Nasty Surprise Late last week, 73 open...
Applying Checkov SAST to Detect Security Issues in Terraform Infrastructure as Code
Dev.to · Abel Fernando PACOMPIA ORTIZ 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Applying Checkov SAST to Detect Security Issues in Terraform Infrastructure as Code
Introduction Security issues in cloud infrastructure often start as small configuration...
Research on Parameter Tampering
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Research on Parameter Tampering
This research was conducted as a part of cybersecurity internship at EyeQ Dot Net Private Limited | Cyber Security Continue reading on Medium »
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Best Cyber Security Companies: Securing Business Growth with Lotus Roots Technologies
The digital economy has created unprecedented opportunities for businesses to innovate and expand their operations. At the same time… Continue reading on Medium
I Thought My 99% Accurate IDS Was Ready for the Real World. I Was Wrong.
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
I Thought My 99% Accurate IDS Was Ready for the Real World. I Was Wrong.
A simple cross-dataset experiment challenged everything I thought I knew about machine learning for intrusion detection. Continue reading on Medium »
Building a Data Protection Framework with Microsoft Purview
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Building a Data Protection Framework with Microsoft Purview
Platform: Microsoft Purview (M365 E5) Continue reading on Medium »
AdaptixC2 Explained: Understanding Modern Command-and-Control Frameworks from a Defender’s…
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
AdaptixC2 Explained: Understanding Modern Command-and-Control Frameworks from a Defender’s…
Why Security Professionals Should Understand Modern C2 Frameworks Continue reading on Medium »
Certifying something on-chain without revealing it: privacy attestation on Midnight
Dev.to · Cory Dabrowski 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Certifying something on-chain without revealing it: privacy attestation on Midnight
I built Grid Audit, a tool that reviews Midnight code and then lets you certify that review on-chain....
How Bad Actors Exploited DNS Laxity in 2026: A Deep Dive into Domain Infrastructure Vulnerabilities
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
How Bad Actors Exploited DNS Laxity in 2026: A Deep Dive into Domain Infrastructure Vulnerabilities
The cyber threat landscape of 2026 has exposed a fundamental flaw in enterprise security: companies are defending their perimeters while… Continue reading on Me
Best Temporary Email for Gmail Verification in 2026: Stay Private and Avoid Spam
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Best Temporary Email for Gmail Verification in 2026: Stay Private and Avoid Spam
Every day, millions of people create new online accounts. Whether you’re signing up for a new app, testing a website, or downloading… Continue reading on Medium
DOM-Based Vulnerabilities: A Technical Guide to Exploitation and Mitigation
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
DOM-Based Vulnerabilities: A Technical Guide to Exploitation and Mitigation
Aprende a identificar, explotar y mitigar vulnerabilidades DOM (XSS, CSPP y DOM Clobbering) con metodologías avanzadas de Bug Bounty. Continue reading on Medium
Malware on Your Machine: A Developer's Complete Incident Response Guide
Dev.to · Red Masil 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Malware on Your Machine: A Developer's Complete Incident Response Guide
🛡️ Your Computer Got Infected — Now What? A Developer's Survival Guide to Malware...
Sandboxing Reality: How to Spoof iPhone Locations for Advanced Penetration Testing
Dev.to · v. Splicer 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Sandboxing Reality: How to Spoof iPhone Locations for Advanced Penetration Testing
Listen up. If you’re still playing by the rules Apple wrote for you, you aren’t testing security....
The Death of Legacy WHOIS: How Modern Security Teams Track Malicious Infrastructure
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
The Death of Legacy WHOIS: How Modern Security Teams Track Malicious Infrastructure
Modern threat actors have learned to exploit privacy proxy services and GDPR redactions to conceal their corporate footprints. Continue reading on Medium »
AI Companies Face Collapse After Single Privacy Error
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
AI Companies Face Collapse After Single Privacy Error
Smarter AI pushes forward at full speed — yet slipping personal data keeps pace, sprinting right beside it. Continue reading on StartupInsider »
Your cloud keys should not exist
Dev.to · b0gy 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Your cloud keys should not exist
Most cloud platforms that need access to your infrastructure start with the same onboarding step:...
How to Block Apps from Accessing the Internet on Mac
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
How to Block Apps from Accessing the Internet on Mac
I spend part of my week watching what apps say to the internet, and most of them say more than they need to. A PDF viewer that calls a… Continue reading on Medi
Your App Is Leaking Secrets and You Don’t Know It
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Your App Is Leaking Secrets and You Don’t Know It
Most apps encrypt data in transit, forget it at rest, and never even think about data in use. Here’s where your secrets quietly walk out… Continue reading on Le