Tech Skills

Cybersecurity

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

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lessons
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 (11,447) Articles (5712)Blog Posts (4416)Tutorials (424)Research Papers (37)News (858)
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...
Polymarket Hack: How Third-Party Vendors Risk Your Crypto
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...
Air-gapped code review with Ollama: when the diff never leaves the machine
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...
Keyless by Default: Securing FarmOps Desk without a Single Static Secret
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...
Almost half the WordPress plugin directory has not been updated in two years
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...
Building FoilSuite: A Privacy-First Security Toolkit for Browser and IoT Security
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...
A Rogue Registry in My Own Backyard: Anatomy of a Two-Line Supply Chain Attack
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...
Cloudflare Patches Critical CVE Vulnerability Across All Servers Within Two Days of Disclosure
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,...
Undisclosed 0-Days, OpenZL for Zero-Trust, and Reddit's Anti-Spam Architecture
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 ...
Tune spam detection for your agent mailbox
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
Email Verification Link Leading to Forced Account Takeover
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...
The Checkout Intercept: How Cybercriminals Steal Your Card Data Without Touching Your Phone
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...
I Tried to Hack My Own Hackathon Project. It Took Ten Minutes
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...
Authentication vs Authorization in Cloud Security: Understanding the Difference 🔥
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...
Introducing Siyarix v1.0.0 — An Open-Source AI-Powered Cybersecurity Orchestration Framework
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...
Detecting Supply-Chain Malware Without Running the Code
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...
Stop Pasting Your JWT Tokens Into Random Websites
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...
Browser Security Model: The Defensive Walls Every Hacker Knows (And Every Developer Should Too)
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...
Why I'm Building a Decentralized Anti-Cheat Instead of Another Plugin
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...
5G Subscriber Privacy: How SUCI Concealment Fights IMSI-Catchers
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...
Security triage shouldn't happen in another browser tab.
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
What 10,000 domains actually publish for email authentication in 2026
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,...
NDPR Compliance for Nigerian Developers — Implementation Guide 2026
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...
PeopleSoft Zero-Day: Why the 2-Week Gap Is the Real Risk
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...
Are Microsoft Signed Packages Safe? 73 Were Not
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...
Hunting Digital Chameleons: How We Defeated Botnets in Laravel v2.4.0
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...
HackTheBox: FireFlow Writeup
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"...
The Internet's Biggest Lie: Your Password Is Never Actually Verified
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...
Applying Checkov SAST to Detect Security Issues in Terraform Infrastructure as Code
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...
Applying Bandit SAST to Detect Vulnerabilities in a Python Flask Application
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...
Applying Bandit SAST to Detect Vulnerabilities in a Python Flask Application
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...
Certifying something on-chain without revealing it: privacy attestation on Midnight
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....