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 · Furkan Beydemir
🔐 Cybersecurity
⚡ AI Lesson
5h ago
I scanned my own laptop for leaked secrets and found 62,311 of them
Last week I got a little paranoid about how much sensitive data my AI coding tools were writing to...

Dev.to · Mayne
🔐 Cybersecurity
⚡ AI Lesson
5h ago
38+ Cryptographic Algorithms in Pure Zig - Zero Dependencies, Zero Std Imports
38+ pure Zig cryptographic algorithms - hash functions, symmetric/ asymmetric crypto, KDFs, and post-quantum schemes. Zero std imports, zero dependencies, zero

Dev.to · Dhruv Rastogi
🔐 Cybersecurity
⚡ AI Lesson
5h ago
I built a formal verifier for EVM contracts with no SMT solver
Most smart-contract bugs aren't exotic. They're an > that should have been a >=, an invariant...
Dev.to · Dave Kurian
🔐 Cybersecurity
⚡ AI Lesson
6h ago
Cursor AI Editor Patched Critical Sandbox Escape Flaws
Two high-severity vulnerabilities in Cursor AI editor allowed arbitrary command execution without user interaction. Patch now available in Cursor 3.0.

Dev.to · Chathura Rathnayaka
🔐 Cybersecurity
⚡ AI Lesson
7h ago
David Chaum's ghost in the machine: A warning from 1990.
David Chaum's Ghost in the Machine: A 1990 Warning for Tomorrow's Architects ...

Dev.to · Martese O Temple, Sr
🔐 Cybersecurity
⚡ AI Lesson
7h ago
Understanding Security+ 701 Threat Vectors (For Future DoD Professionals)
If you're a high school senior thinking about a career in cybersecurity—especially working with the...

Dev.to · Achin Bansal
🔐 Cybersecurity
⚡ AI Lesson
8h ago
AI Tools Discover WebKit Vulnerabilities as Apple Accelerates Patch Cadence
Forensic Summary Apple patched over 30 vulnerabilities across iOS, macOS, and Safari, with...

Dev.to · Pranay Trivedi
🔐 Cybersecurity
⚡ AI Lesson
8h ago
Understanding the ISSAP Certification
Explore the ISSAP certification, its benefits, key domains, and effective preparation tips for aspiring security professionals.

Dev.to · Code Decode Labs
🔐 Cybersecurity
⚡ AI Lesson
9h ago
Why Cybersecurity Is No Longer an IT Decision; It’s a Business Strategy
In 2025, the global average cost of a data breach was $4.44 million. In the United States alone, that...

Dev.to · Pascal Kuhn
🔐 Cybersecurity
⚡ AI Lesson
10h ago
Local-First vs. Cloud Password Managers: What SMBs Should Know
A practical comparison of local-first and cloud-based password managers for small and medium...

Dev.to · Bala Paranj
🔐 Cybersecurity
⚡ AI Lesson
10h ago
Microsegmentation is a Workaround for a Missing Application Map
Zero Trust says 'only allow required network flows.' Nobody declares which flows are required. So the industry compares what's allowed against what's observed a

Dev.to · Shushkrut Ghiwe
🔐 Cybersecurity
⚡ AI Lesson
12h ago
ISO 27001 vs SOC 2: Strategic Comparison Guide
ISO 27001 vs SOC 2: The Definitive Strategic Compliance Comparison Guide Enterprise Governance, Risk...

Dev.to · TiltedLunar123
🔐 Cybersecurity
⚡ AI Lesson
12h ago
A clean vulnerability scan doesn't mean you're secure: a Security+ Domain 4 breakdown
If you are studying for SY0-701, vulnerability management questions have a habit of looking easy and...

Dev.to · Nchiminyi — Founder, Kriosa
🔐 Cybersecurity
⚡ AI Lesson
13h ago
Why I built a security tool for PHP developers in Africa
I'm Nchiminyi, a PHP/Laravel developer from Cameroon. A few months ago I watched a developer I know...

Dev.to · Yogeshwar Peela
🔐 Cybersecurity
⚡ AI Lesson
16h ago
HackTheBox: Reset Writeup
Summary Reset is a Linux box built around a chain of web application logic flaws and a...

Dev.to · Adrian Alexandru Stinga
🔐 Cybersecurity
⚡ AI Lesson
17h ago
The same 5 signals that preceded every major attack wave since 2012 are all active right now
What I’m seeing right now on the dark web tells me the next major attack wave is not a question of...

Dev.to · Steve Emmerich
🔐 Cybersecurity
⚡ AI Lesson
17h ago
Short-lived, scoped, challenge-based: designing safer service tokens for agents
A lot of security design comes down to asking a plain question: if this credential leaks, how bad is...

Dev.to · Cor E
🔐 Cybersecurity
⚡ AI Lesson
17h ago
BioShocking: How AI Browsers Were Tricked Into Handing Over Your Passwords
Six AI browsers and assistants. One adversarial framing technique. Your credentials,...

Dev.to · Atharv Gupta
🔐 Cybersecurity
⚡ AI Lesson
18h ago
Threat Intelligence Sharing: Why Collective Defense Is the Future of Ransomware Protection
Ransomware has kinda moved past those lone, isolated hits that individual hackers used to do. These...

Dev.to · Zein Saleh
🔐 Cybersecurity
⚡ AI Lesson
19h ago
I found 10 bugs in my own security scanner. Here's what they taught me about false positives.
I built a VS Code extension that scans code for leaked secrets, PII, and security vulnerabilities...

Dev.to · Shieldly
🔐 Cybersecurity
⚡ AI Lesson
19h ago
The 7 IAM Misconfigurations We See in Almost Every AWS Account
Originally published at shieldly.io/blog. After analyzing a lot of IAM policies, the same seven...

Dev.to · v. Splicer
🔐 Cybersecurity
⚡ AI Lesson
21h 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
22h 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
23h 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
23h 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
23h 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
23h 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
23h 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
1d 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
1d 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
1d 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
1d 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
1d 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
1d 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
1d 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
1d 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
1d 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
1d 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
1d 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
1d 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
1d 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
1d 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
1d 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
1d 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
1d 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
1d 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
1d 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
1d 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...
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