Tech Skills

Cybersecurity

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

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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 (11,080) Articles (5495)Blog Posts (4303)Tutorials (407)Research Papers (34)News (841)
Nobody Is Coming to Save Your Privacy. Build the Tools Yourself
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...
Aikido buys Root to patch open source in place, without the upgrade dance
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
On Security+, the password attack is decided by one detail in the question
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...
reCAPTCHA v2 vs v3 vs Enterprise — how to tell which one you're fighting (and how to solve each)
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,
5G Security: Why Most Operators Are Underprepared for the Threats Standalone Architecture Introduces
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...
900+ Downloads, 1 Star, 1 Comment: What I Learned Launching a Security Tool
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.
The Bug That Sends "Authorization: bearer undefined" - And Why It's So Easy to Miss
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...
Account Takeover Attacks: Why Authentication Isn’t the Real Problem
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...
Aflac Japan Data Breach Exposes 4.38 Million Policyholder Records
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
Autonomous Cyberattacks Are Coming And Our Defenses Were Built for a Different Era
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...
A Simple Way to Reduce the Grype Noise
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:...
Master the Linux ls Command Like a Cybersecurity Professional
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...
The Invisible Attack Surface: Why Machine Identities Are Cloud Security's Biggest Blind Spot
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...
The Microsoft UEFI CA from 2011 expired last week. Here's what to check.
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...
Pasting a JWT Into an Online Base64 Decoder Is a Credential Leak — Here's the Browser-Only Fix
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...
I built HeaderLab — an open-source web security toolkit that runs entirely in your browser
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
I built HeaderLab — an open-source web security toolkit that runs entirely in your browser
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
Oracle PeopleSoft Supply Chain Compromise: Nissan & 99 Targets
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
Someone Else Might Already Be Logged Into Your Shop
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...
You Do Not Need a Degree or a Bootcamp to Get a Job in Cybersecurity in 2026
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...
NETO: Chat P2P local para equipos dev sin depender de la nube
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...
A Linux RAT in your npm install: what phi sees before it runs
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...
Least Privilege is a Workaround for a Missing Specification
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
EU Cyber Resilience Act: What AI Developers Need to Know for CRA Compliance
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...
Cybersecurity Myths that Have to Go
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...
Safely hosting arbitrary user HTML: the cookieless-origin sandbox pattern
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...
I Tried Learning Cybersecurity on TryHackMe and HackTheBox as a Complete Beginner. Here Is What Actually Happened.
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...
TONResolver RAT Abuses TON Blockchain to Target Japan's Hotel Industry
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...
Mobile Security
Dev.to · LeoJulieta 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Mobile Security
Boosting Mobile Device Security: Lessons from the Apple Supplier Hack The recent hacking...
Common Security Vulnerabilities in Nigerian Web Apps — And How to Fix Them
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...
Egress problems and where to find them
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...
Perplexity Bumblebee Review: The Supply Chain Scanner Your Dev Machine Needs
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.
Why End-to-End Encryption is a Lie (And How I Weaponized Golang to Fix It)
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...
OpenAI Tenant Spoofing: Social Engineering Enterprise Security Teams
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
PDF Font Subset Divergence: Forensic Tampering Detection
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 —…
Why your Cloudflare Turnstile token works in the browser but 403s from requests
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
Fuzzing Techniques for Vulnerability Discovery
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...
Securing Apps: Password Hashing, RBAC, OAuth, and OpenID Connect
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...
I Built a Browser-Only HTTP Header Analyzer — Security Scoring, Missing Header Warnings, 147 Tests
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...
The Good, the Bad and the Ugly in Cybersecurity – Week 26
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...
SMB cyber readiness: the road to resilience starts here
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...
Inside the 2026 SMB threat landscape: From phishing and scams to fake AI tools
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...
CL-STA-1062 Targets Southeast Asian Governments and Critical Infrastructure
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...
Beyond IOCs: AI-enabled threat intelligence
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...
New DirtyClone Linux Kernel Flaw Lets Local Users Gain Root via Cloned Packets
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...
Client-Side Attack Surface: Everything Inside the Browser Is a Weapon(part-2)
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...
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 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...
The CompTIA concepts people keep confusing (and how to actually tell them apart)
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...