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 · v. Splicer
🔐 Cybersecurity
⚡ AI Lesson
5d ago
Nobody Is Coming to Save Your Privacy. Build the Tools Yourself
The cavalry isn't delayed. It was never dispatched. You have already done the ritual. You clicked...

Dev.to · Leo
🔐 Cybersecurity
⚡ AI Lesson
5d ago
Aikido buys Root to patch open source in place, without the upgrade dance
Aikido Security acquired Root, a company whose technology fixes known vulnerabilities directly inside the package version you already run. The trade-off: someon

Dev.to · TiltedLunar123
🔐 Cybersecurity
⚡ AI Lesson
5d ago
On Security+, the password attack is decided by one detail in the question
Four of the password attacks on SY0-701 read almost identically on the exam. The attacker wants...

Dev.to · Bassem Shahin
🔐 Cybersecurity
⚡ AI Lesson
5d ago
reCAPTCHA v2 vs v3 vs Enterprise — how to tell which one you're fighting (and how to solve each)
Not all reCAPTCHA is the same. Here's how to identify v2 checkbox, v2 invisible, v3 score, and Enterprise from the page itself — what each means for automation,

Dev.to · 5gwolrdpro
🔐 Cybersecurity
⚡ AI Lesson
5d ago
5G Security: Why Most Operators Are Underprepared for the Threats Standalone Architecture Introduces
5G SA was supposed to be more secure than every generation before it. In several important ways, it...

Dev.to · Dockfix Labs
🔐 Cybersecurity
⚡ AI Lesson
5d ago
900+ Downloads, 1 Star, 1 Comment: What I Learned Launching a Security Tool
Two weeks of open-source security tooling: download numbers, what worked, what did not, and technical lessons.

Dev.to · Eshaan Agrawal
🔐 Cybersecurity
⚡ AI Lesson
5d ago
The Bug That Sends "Authorization: bearer undefined" - And Why It's So Easy to Miss
Authorization: bearer undefined No error. No stack trace. Just a 401 that looked like it...

Dev.to · Sentinel Layer
🔐 Cybersecurity
⚡ AI Lesson
5d ago
Account Takeover Attacks: Why Authentication Isn’t the Real Problem
Modern attackers don't always steal passwords—they steal trusted sessions. Learn why authentication...

Dev.to · BeyondMachines
🔐 Cybersecurity
⚡ AI Lesson
5d ago
Aflac Japan Data Breach Exposes 4.38 Million Policyholder Records
Aflac Japan reported a data breach affecting 4.38 million policyholders after unauthorized actors accessed the 'Aflac Yoriso Net' portal for ten days. The breac

Dev.to · Arashad Dodhiya
🔐 Cybersecurity
⚡ AI Lesson
5d ago
Autonomous Cyberattacks Are Coming And Our Defenses Were Built for a Different Era
The shift isn't AI writing phishing emails. It's AI making decisions. I've been thinking about a...

Dev.to · Marcus Morris
🔐 Cybersecurity
⚡ AI Lesson
5d ago
A Simple Way to Reduce the Grype Noise
Security Team: “I have a major Grype...with what I Syfted out of your provided image." Developer:...

Dev.to · Shubham Chaudhary
🔐 Cybersecurity
⚡ AI Lesson
5d ago
Master the Linux ls Command Like a Cybersecurity Professional
Whether you're an aspiring ethical hacker, SOC analyst, penetration tester, DFIR investigator, or...

Dev.to · Joseph TUI
🔐 Cybersecurity
⚡ AI Lesson
5d ago
The Invisible Attack Surface: Why Machine Identities Are Cloud Security's Biggest Blind Spot
And how I built an open-source platform to solve it. The Problem No One Is Talking...
Dev.to · Schiff Heimlich
🔐 Cybersecurity
⚡ AI Lesson
6d ago
The Microsoft UEFI CA from 2011 expired last week. Here's what to check.
The Microsoft UEFI CA 2011 quietly expired on June 27, 2026. If you're running anything with Secure...

Dev.to · Max
🔐 Cybersecurity
⚡ AI Lesson
6d ago
Pasting a JWT Into an Online Base64 Decoder Is a Credential Leak — Here's the Browser-Only Fix
Last month I watched a teammate debug an auth bug by pasting a production JWT into the first "base64...

Dev.to · Kadir Buyukguclu
🔐 Cybersecurity
⚡ AI Lesson
6d ago
I built HeaderLab — an open-source web security toolkit that runs entirely in your browser
Four tools (HTTP headers checker, CSP builder, CSP evaluator, JWT decoder + verifier), all client-side. Here's what I built and the architectural decisions behi

Dev.to · Kadir Buyukguclu
🔐 Cybersecurity
⚡ AI Lesson
6d ago
I built HeaderLab — an open-source web security toolkit that runs entirely in your browser
Four tools (HTTP headers checker, CSP builder, CSP evaluator, JWT decoder + verifier), all client-side. Here's what I built and the architectural decisions behi

Dev.to · Satyam Rastogi
🔐 Cybersecurity
⚡ AI Lesson
6d ago
Oracle PeopleSoft Supply Chain Compromise: Nissan & 99 Targets
Attackers exploited Oracle PeopleSoft vulnerabilities to breach 100+ organizations including Nissan. Analysis of attack infrastructure, credential the

Dev.to · Stanley A.
🔐 Cybersecurity
⚡ AI Lesson
6d ago
Someone Else Might Already Be Logged Into Your Shop
If you build or maintain ecommerce platforms, there's a specific threat model you should be thinking...

Dev.to · Atomic Ai
🔐 Cybersecurity
⚡ AI Lesson
6d ago
You Do Not Need a Degree or a Bootcamp to Get a Job in Cybersecurity in 2026
You Do Not Need a Degree or a Bootcamp to Get a Job in Cybersecurity in 2026 Let me say...

Dev.to · David Arturo Silva Baldellon
🔐 Cybersecurity
⚡ AI Lesson
6d ago
NETO: Chat P2P local para equipos dev sin depender de la nube
¿Tu equipo comparte tokens, IPs internas o snippets de código por Slack o Teams? Cada mensaje pasa...

Dev.to · Prosper Maxwell
🔐 Cybersecurity
⚡ AI Lesson
6d ago
A Linux RAT in your npm install: what phi sees before it runs
Most supply-chain tools scan your dependencies after they're already sitting on disk. By that point...

Dev.to · Bala Paranj
🔐 Cybersecurity
⚡ AI Lesson
6d ago
Least Privilege is a Workaround for a Missing Specification
Every framework mandates least privilege. Every organization fails at it. Because the principle assumes an artifact that doesn't exist: a machine-readable decla

Dev.to · Alessandro Pignati
🔐 Cybersecurity
⚡ AI Lesson
6d ago
EU Cyber Resilience Act: What AI Developers Need to Know for CRA Compliance
Hey developers! Ever heard of the EU Cyber Resilience Act (CRA)? If you're building AI applications...

Dev.to · Aashi Agarwal
🔐 Cybersecurity
⚡ AI Lesson
6d ago
Cybersecurity Myths that Have to Go
Myth #1: Small Business Are Safe From Hackers One of the biggest cybersecurity myths that continue to...

Dev.to · Henning Witzel
🔐 Cybersecurity
⚡ AI Lesson
6d ago
Safely hosting arbitrary user HTML: the cookieless-origin sandbox pattern
ShareMyPage lets people publish HTML, often generated by an LLM like Claude or ChatGPT, and share it...

Dev.to · Atomic Ai
🔐 Cybersecurity
⚡ AI Lesson
6d ago
I Tried Learning Cybersecurity on TryHackMe and HackTheBox as a Complete Beginner. Here Is What Actually Happened.
I Tried Learning Cybersecurity on TryHackMe and HackTheBox as a Complete Beginner. Here Is...

Dev.to · Mark0
🔐 Cybersecurity
⚡ AI Lesson
6d ago
TONResolver RAT Abuses TON Blockchain to Target Japan's Hotel Industry
A new wave of phishing attacks has been observed targeting the Japanese hotel industry, specifically...

Dev.to · LeoJulieta
🔐 Cybersecurity
⚡ AI Lesson
6d ago
Mobile Security
Boosting Mobile Device Security: Lessons from the Apple Supplier Hack The recent hacking...

Dev.to · zikarelhub
🔐 Cybersecurity
⚡ AI Lesson
6d ago
Common Security Vulnerabilities in Nigerian Web Apps — And How to Fix Them
Most Nigerian business software has never been penetration tested. Here are the vulnerabilities...

Dev.to · Meg528
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Egress problems and where to find them
Written by Simeon Griggs Name something in recent history that got better and cheaper (other than...

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...
DeepCamp AI