Tech Skills
Cybersecurity
Ethical hacking, penetration testing, network security, CTFs and defensive security
Skills in this topic
8 skills — Sign in to track your progress
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

Dev.to · Maksim Danilchenko
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Perplexity Bumblebee Review: The Supply Chain Scanner Your Dev Machine Needs
Bumblebee scans npm, PyPI, Go, MCP configs, and editor extensions for compromised packages, all without running a single install script. Hands-on review.

Dev.to · Seif Sayed
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Why End-to-End Encryption is a Lie (And How I Weaponized Golang to Fix It)
The cybersecurity industry is playing a rigged game. We obsess over End-to-End Encryption (E2EE), but...

Dev.to · Satyam Rastogi
🔐 Cybersecurity
⚡ AI Lesson
1w ago
OpenAI Tenant Spoofing: Social Engineering Enterprise Security Teams
Attackers create fake OpenAI organization tenants impersonating legitimate companies, then invite employees to collaborate. The attack exploits trust

Dev.to · Iurii Rogulia
🔐 Cybersecurity
⚡ AI Lesson
1w ago
PDF Font Subset Divergence: Forensic Tampering Detection
PDF font subset divergence reveals page-assembly fraud without the original file. Learn how font forensics detects tampering in multi-page documents —…

Dev.to · Bassem Shahin
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Why your Cloudflare Turnstile token works in the browser but 403s from requests
A Turnstile token that validates in the browser gets a 403 when replayed from Python requests. The real causes — single-use TTL, sitekey/URL binding, managed-ch

Dev.to · Aviral Srivastava
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Fuzzing Techniques for Vulnerability Discovery
Unleash the Fuzz Monster: How to Hunt Down Bugs Before the Bad Guys Do! Ever wondered how...

Dev.to · Akash Kumar
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Securing Apps: Password Hashing, RBAC, OAuth, and OpenID Connect
"Security isn't a feature you add at the end. It's the foundation you build everything else on top...

Dev.to · Dev Nestio
🔐 Cybersecurity
⚡ AI Lesson
1w ago
I Built a Browser-Only HTTP Header Analyzer — Security Scoring, Missing Header Warnings, 147 Tests
Every web developer has had this moment: you check your app's response headers, see a wall of...

Dev.to · Mark0
🔐 Cybersecurity
⚡ AI Lesson
1w ago
The Good, the Bad and the Ugly in Cybersecurity – Week 26
Global law enforcement operations, including Operation Endgame, have successfully dismantled...

Dev.to · Mark0
🔐 Cybersecurity
⚡ AI Lesson
1w ago
SMB cyber readiness: the road to resilience starts here
Small and Medium Businesses (SMBs) represent a significant portion of the global economy, yet they...

Dev.to · Mark0
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Inside the 2026 SMB threat landscape: From phishing and scams to fake AI tools
⚠️ Region Alert: UAE/Middle East Small and medium-sized businesses (SMBs) are increasingly becoming...

Dev.to · Mark0
🔐 Cybersecurity
⚡ AI Lesson
1w ago
CL-STA-1062 Targets Southeast Asian Governments and Critical Infrastructure
This report details the persistent activities of CL-STA-1062, a Chinese-speaking threat actor group...

Dev.to · Mark0
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Beyond IOCs: AI-enabled threat intelligence
AI's role in cybersecurity is multifaceted, moving beyond a simple good-or-bad dilemma. While it...

Dev.to · Mark0
🔐 Cybersecurity
⚡ AI Lesson
1w ago
New DirtyClone Linux Kernel Flaw Lets Local Users Gain Root via Cloned Packets
DirtyClone (CVE-2026-43503) is a critical Linux kernel privilege escalation vulnerability belonging...

Dev.to · Arashad Dodhiya
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Client-Side Attack Surface: Everything Inside the Browser Is a Weapon(part-2)
"The browser isn't just a viewport. It's an operating system. And like every OS, every feature is an...

Dev.to · Md Jamilur Rahman
🔐 Cybersecurity
⚡ AI Lesson
1w 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...

Dev.to · Leon Odor
🔐 Cybersecurity
⚡ AI Lesson
1w 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...

Dev.to · Newzlet
🔐 Cybersecurity
⚡ AI Lesson
1w 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...

Dev.to · Muhammet ŞAFAK
🔐 Cybersecurity
⚡ AI Lesson
1w 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...

Dev.to · Jamal Ibrahim Umar
🔐 Cybersecurity
⚡ AI Lesson
1w 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...

Dev.to · Chris Morris
🔐 Cybersecurity
⚡ AI Lesson
1w 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...

Dev.to · Nikola Pavlović, PhD
🔐 Cybersecurity
⚡ AI Lesson
1w 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...

Dev.to · Sebastian Schürmann
🔐 Cybersecurity
⚡ AI Lesson
1w 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...

Dev.to · Ksenia Rudneva
🔐 Cybersecurity
⚡ AI Lesson
1w 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,...

Dev.to · soy
🔐 Cybersecurity
⚡ AI Lesson
1w 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 ...

Dev.to · Qasim
🔐 Cybersecurity
⚡ AI Lesson
1w 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

Dev.to · Bijan
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Email Verification Link Leading to Forced Account Takeover
What if clicking a completely legitimate verification link from a trusted domain could silently log...

Dev.to · carlos lopez
🔐 Cybersecurity
⚡ AI Lesson
1w 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...

Dev.to · Aditya Chooramani
🔐 Cybersecurity
⚡ AI Lesson
1w 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...

Dev.to · Ria saraswat
🔐 Cybersecurity
⚡ AI Lesson
1w 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...

Dev.to · MD MUFTHAKHERUL ISLAM MIRAZ
🔐 Cybersecurity
⚡ AI Lesson
1w 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...

Dev.to · Pavel Espitia
🔐 Cybersecurity
⚡ AI Lesson
1w 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...

Dev.to · bore.ddev
🔐 Cybersecurity
⚡ AI Lesson
1w 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...

Dev.to · Arashad Dodhiya
🔐 Cybersecurity
⚡ AI Lesson
1w 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...

Dev.to · Ahad pro Gamer
🔐 Cybersecurity
⚡ AI Lesson
1w 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...

Dev.to · Haven Messenger
🔐 Cybersecurity
⚡ AI Lesson
1w 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...

Dev.to · Renato Marinho
🔐 Cybersecurity
⚡ AI Lesson
1w 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

Dev.to · Vadim Ivanov
🔐 Cybersecurity
⚡ AI Lesson
1w 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,...

Dev.to · zikarelhub
🔐 Cybersecurity
⚡ AI Lesson
1w 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...

Dev.to · Newzlet
🔐 Cybersecurity
⚡ AI Lesson
1w 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...

Dev.to · Newzlet
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Are Microsoft Signed Packages Safe? 73 Were Not
What Actually Happened: 73 Signed Packages, One Nasty Surprise Late last week, 73 open...

Dev.to · Oleksii Antoniuk
🔐 Cybersecurity
⚡ AI Lesson
1w 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...

Dev.to · Yogeshwar Peela
🔐 Cybersecurity
⚡ AI Lesson
1w ago
HackTheBox: FireFlow Writeup
Executive Summary FireFlow is a Linux machine running a fictional "Task Force Nightfall"...

Dev.to · Daniel Isaac E
🔐 Cybersecurity
⚡ AI Lesson
1w 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...

Dev.to · Abel Fernando PACOMPIA ORTIZ
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Applying Checkov SAST to Detect Security Issues in Terraform Infrastructure as Code
Introduction Security issues in cloud infrastructure often start as small configuration...

Dev.to · Abel Fernando PACOMPIA ORTIZ
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Applying Bandit SAST to Detect Vulnerabilities in a Python Flask Application
Introduction Security should be part of the development workflow, not only a final...

Dev.to · Abel Fernando PACOMPIA ORTIZ
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Applying Bandit SAST to Detect Vulnerabilities in a Python Flask Application
Introduction Security should be part of the development workflow, not only a final...

Dev.to · Cory Dabrowski
🔐 Cybersecurity
⚡ AI Lesson
1w 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....
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