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 · Jakub
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Why Vibecoded Apps Fail Security Audits (and the 4 Fixes That Matter Most)
At Inithouse — a studio shipping a growing portfolio of products in parallel — we audit vibecoded...

Dev.to · Apps4.Pro Migration Manager
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Microsoft Purview Information Protection and Classification: A Practical Guide
Every Microsoft 365 tenant has a hidden data problem. Over time, SharePoint sites, OneDrive folders,...

Dev.to · Charles
🔐 Cybersecurity
⚡ AI Lesson
1w ago
I Scanned 8 Popular Sites for Bot Protection — Here's What Actually Stops Scrapers
If you've ever built a web scraper, you know the pain: your code works perfectly in dev, then the...

Dev.to · BeyondMachines
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Atlassian Patches 100 Vulnerabilities Across Data Center and Server Products
Atlassian's June 2026 security update addresses 100 vulnerabilities, including critical flaws in third-party dependencies like Axios, Apache Tomcat, and Netty.

Dev.to · Ali-Funk
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Non-Human Identities: The Silent Attack Surface No One Is Monitoring
Most organizations know exactly how many employees they have. Far fewer know how many non-human...

Dev.to · Moon sehwan
🔐 Cybersecurity
⚡ AI Lesson
1w ago
5 security patterns GitHub Copilot generates that no linter catches
I've been scanning AI-generated codebases for the past month. Here are 5 patterns that appear most...

Dev.to · CVE Reports
🔐 Cybersecurity
⚡ AI Lesson
1w ago
GHSA-6GQW-JQV7-V88M: GHSA-6GQW-JQV7-V88M: Multi-Tenant Isolation Bypass in stigmem-node via Missing SQL Tenant Predicates
GHSA-6GQW-JQV7-V88M: Multi-Tenant Isolation Bypass in stigmem-node via Missing SQL Tenant...

Dev.to · Artem
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Beyond Encryption: Reducing Metadata Leakage with Fragmentation
TL;DR: This article is a design exploration rather than a cryptographic proposal. It examines whether...

Dev.to · Mark0
🔐 Cybersecurity
⚡ AI Lesson
1w ago
2026-05-31: Seven days of scans and probes and web traffic hitting my web server
This article presents a record of network activity targeting a web server over a seven-day period...

Dev.to · Mark0
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Threat Brief: Mitigating Large-Scale Credential Attacks
⚠️ Region Alert: UAE/Middle East The "FortiBleed" campaign is a large-scale password spraying and...

Dev.to · Mark0
🔐 Cybersecurity
⚡ AI Lesson
1w ago
OpenBSD mpls_do_error: Remote Kernel Stack Disclosure via MPLS Label Stack Over-read
This article details a remote kernel stack disclosure vulnerability (CVE-2026-56099) found in OpenBSD...

Dev.to · Mark0
🔐 Cybersecurity
⚡ AI Lesson
1w ago
AryStinger botnet infected thousands of D-Link routers worldwide
A newly discovered malware botnet dubbed AryStinger has hijacked over 4,000 legacy D-Link routers,...

Dev.to · Dev Encyclopedia
🔐 Cybersecurity
⚡ AI Lesson
1w ago
1.2 Million WordPress Sites Were Hacked, and Not One Plugin Was Outdated
On June 12, 2026, attackers compromised a CDN signing key belonging to Awesome Motive, the company...

Dev.to · Manoj sai Challagulla
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Troubleshooting Git Authentication: Fixing "Repository Not Found" on Private Repositories
When working with private Git repositories, running into a fatal: repository '...' not found error is...

Dev.to · Cedric Brown
🔐 Cybersecurity
⚡ AI Lesson
1w ago
How a web agency keeps every client site secure
If you build and maintain sites for clients, you are on the hook for security on properties you may...

Dev.to · Nargiz Naghiyeva
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Inside the CVE List: How Vulnerabilities Get Their ID Cards
Thousands of software bugs are discovered every day around the world. But turning these bugs into an...

Dev.to · Parsify.tools
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Stop Pasting Sensitive Data into Random Websites: Meet Parsify 🛡️
Hey DEV community! 👋 How many times a day do you need to format a messy JSON string, convert a CSV...
Dev.to · Noushad Patel
🔐 Cybersecurity
⚡ AI Lesson
1w ago
My app crashed with 'illegal instruction' – AVX compatibility fixed it
My app crashed with 'illegal instruction' – AVX compatibility fixed it It's a developer's...

Dev.to · Oluwole Ajayi
🔐 Cybersecurity
⚡ AI Lesson
1w ago
VeriLync- Application Security for SaaS Scale-ups
I studied MSc Applied Cybersecurity at the University of South Wales. My dissertation was titled...

Dev.to · Hiren Kava
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Precision Loss and Rounding Exploits in Financial Smart Contracts
A smart contract does not need an overflow, reentrancy bug, or broken access-control check to lose...

Dev.to · Oli
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Spotting GPS spoofing on a drone — and flying on when the signal is gone
Follow-up to my MAVLink post. Same caveat: I'm a beginner doing this as a hobby. The results below...

Dev.to · Oli
🔐 Cybersecurity
⚡ AI Lesson
1w ago
MAVLink: the protocol behind millions of drones (and why it isn't secure by default)
Quick disclaimer: I'm still learning this stuff. This comes out of a small personal project where...

Dev.to · GoldenGlobalHawks
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Engineering a residential security stack for high-value LA properties: site survey to dispatch
Site survey, perimeter design, staffing models, and tech integration for LA residential security ops — with BSIS compliance requirements and real cost figures.

Dev.to · Arashad Dodhiya
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Business Logic Vulnerabilities in Modern APIs: The Security Flaws Firewalls Can't Stop
Most API security discussions revolve around SQL injection, authentication bypasses, or remote code...

Dev.to · xusteve
🔐 Cybersecurity
⚡ AI Lesson
1w ago
The Ultimate WordPress Security Checklist for 2026
The Ultimate WordPress Security Checklist for 2026 WordPress powers over 43% of all...

Dev.to · kg8888
🔐 Cybersecurity
⚡ AI Lesson
1w ago
The Security Checklist Every Vibe Coder Needs Before Launch
You shipped something. It works. Users are signing up. And somewhere in your codebase, there's a...

Dev.to · david
🔐 Cybersecurity
⚡ AI Lesson
1w ago
I Ran Gitleaks Against My Own Repo and Found 12 Real Secrets
A full-history gitleaks scan of a homelab repo that had been running for months turned up 12 distinct plaintext secrets — including an OIDC signing key. Here's

Dev.to · Pavel Espitia
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Front-Running and MEV: Writing Contracts That Don't Leak Money to the Mempool
When you submit a transaction, it sits in the public mempool before it is mined, visible to everyone....

Dev.to · Goksel Yesiller
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Introducing AES Encryption: A Quick Tour
Developers implementing client-side encryption face a fundamental challenge: correctly implementing...

Dev.to · TrustSig
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Reverse once, run forever: designing client-side defenses that assume the attacker has already read every line
There's a sentence every engineer in this field eventually says out loud, usually with a sigh: "But...

Dev.to · umbra
🔐 Cybersecurity
⚡ AI Lesson
1w ago
I built a macOS security tool that locks your secrets when you walk away
CHIMERA is an open-source macOS security "organism" — one local process orchestrating 8 native organs...

Dev.to · Dimitrij Drus
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Stop Using Bearer Tokens Like House Keys: DPoP with Heimdall
You've built an API. You protected it with OAuth 2.0. You're using JWTs. You feel secure. You're...

Dev.to · v. Splicer
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Less Noise, More Labs: How I Actually Learned RF Hacking This Year
Let me be honest with you. If you spend more time reading about RF hacking than actually doing RF...

Dev.to · Prem Kumar Santhanam
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Understand Authentication — NTLM vs Kerberos vs LDAP
This blog provides an in-depth analysis of three popular authentication methods — NTLM, Kerberos, and...

Dev.to · Mahmut Gündüzalp
🔐 Cybersecurity
⚡ AI Lesson
1w ago
KVKK, İYS, BİK: Turkish Software Compliance for Engineers (with PHP examples)
An engineer's guide to Turkey's three core compliance regimes — KVKK (data protection), İYS (commercial message registry), and BİK (news publishing) — with prac

Dev.to · 문세환
🔐 Cybersecurity
⚡ AI Lesson
1w ago
I scanned a "vibe-coded" Python repo. Found 137 security bugs.
I scanned KaletoAI/anima-verse — a Python LLM project that literally says "Vibe-coded experiment" in...

Dev.to · Sujala Vasanthasena Nelavai
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Your Mind Is the First System Hackers Can Exploit
Why Cybersecurity Must Start With the Analyst — Not the Attack** 1. The Breach No One Talks...

Dev.to · Aviral Srivastava
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Confidential Computing (SGX, SEV)
Your Data's Secret Lair: Diving Deep into Confidential Computing (SGX & SEV) Ever get...

Dev.to · Iurii Rogulia
🔐 Cybersecurity
⚡ AI Lesson
1w ago
BEC Invoice Fraud Detection API: Stop Redirected Payments
BEC invoice fraud costs $43B globally. Detect bank-account swaps in PDF invoices via structural forensics — no original file needed. API integration…

Dev.to · Starling javier gabino rodriguez
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Building a messenger that hides metadata, not just messages
Most "encrypted" apps protect what you say. They do far less about who you talk to, when, and how...

Dev.to · prajyu
🔐 Cybersecurity
⚡ AI Lesson
1w ago
PII Redaction Built Entirely in the Browser
Hey everyone! I’m gearing up to launch a new project I’ve been pouring a lot of love into. It's...

Dev.to · mrtd
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Hackers Hijack Brazil's Emergency Alert System, Waking Millions With a Fake 'Extreme Alert'
Late on June 19, a fake 'Extreme Alert' reading 'misantropi4' blasted to phones across Sao Paulo, Rio, Brasilia and beyond, overriding silen

Dev.to · Bala Paranj
🔐 Cybersecurity
⚡ AI Lesson
1w ago
The Aftermarket She Diagnosed is the Aftermarket She Prescribed
Jen Easterly correctly identified that cybersecurity is an aftermarket for software quality failures. Then she celebrated an AI that makes the aftermarket faste

Dev.to · Cor E
🔐 Cybersecurity
⚡ AI Lesson
1w ago
North Korean Hackers Poisoned 140+ npm Packages in an AI Dev Tooling Attack. Here's What Would Have Caught It.
The Incident Microsoft's threat intelligence team has attributed a supply chain attack...

Dev.to · TiltedLunar123
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Public key or private key? The Security+ crypto direction trap
A lot of people walk into the SY0-701 exam able to recite that asymmetric encryption uses a key pair....

Dev.to · Mario
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Three Security Checks for Any AWS Pipeline
A developer merges a pull request on a Friday afternoon. The repository is public. The commit...

Dev.to · Fabrice
🔐 Cybersecurity
⚡ AI Lesson
1w ago
DorkAtlas: The Open Source Google Search Operators Library Built for Ethical Research
"The world's most comprehensive, beginner-friendly repository of Google search operators and ethical...

Dev.to · ricco020
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Encryption at rest vs zero-knowledge: who can actually read your cloud files
"Encrypted cloud storage" is one of the most abused phrases in tech marketing. Almost every provider...
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