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 (10,976) Articles (5438)Blog Posts (4276)Tutorials (388)Research Papers (34)News (840)
50 days Left! - Submit a challenge for AppSec Village at DEF CON 34.
Dev.to · Hamza 🔐 Cybersecurity ⚡ AI Lesson 3w ago
50 days Left! - Submit a challenge for AppSec Village at DEF CON 34.
There are 50 days remaining to submit a challenge for the SecDim "Fix the Flag" competition at AppSec...
Why Compliance Security and Engineering Security Talk Past Each Other
Dev.to · Battle Hardened 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Why Compliance Security and Engineering Security Talk Past Each Other
There is a conversation that happens in security teams constantly, and it almost never goes anywhere...
China-linked JDY botnet expands targeting of U.S. military networks
Dev.to · Mark0 🔐 Cybersecurity ⚡ AI Lesson 3w ago
China-linked JDY botnet expands targeting of U.S. military networks
The JDY botnet, a scanning and reconnaissance network linked to Chinese threat actors such as Volt...
Stop Using IAM Access Keys: Secure Cross-Cloud Workloads with OIDC Federation
Dev.to · Jayesh Shinde 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Stop Using IAM Access Keys: Secure Cross-Cloud Workloads with OIDC Federation
As developers and DevOps engineers, we’ve all been there. You have an external service—maybe an Azure...
Autonomous Mastodon Onboarding Hits the hCaptcha Wall
Dev.to · Deva 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Autonomous Mastodon Onboarding Hits the hCaptcha Wall
App OAuth bypasses the signup captcha but not the email confirmation interstitial. That one sentence...
What is Data Encryption? A Complete 2026 Guide for Developers & Security Teams
Dev.to · Andrew 🔐 Cybersecurity ⚡ AI Lesson 3w ago
What is Data Encryption? A Complete 2026 Guide for Developers & Security Teams
Imagine you lose your work laptop on a commute. It holds 3 years of customer PII, internal product...
How I Hunted a Meterpreter C2 Session Using Sysmon
Dev.to · Akshat Tiwari 🔐 Cybersecurity ⚡ AI Lesson 3w ago
How I Hunted a Meterpreter C2 Session Using Sysmon
Introduction The attacker was already inside. A reverse shell was open, a flag file had...
Windows 0-Day Exploit Released by Nightmare-Eclipse on Self-Hosted Repository to Avoid Takedown
Dev.to · Olga Larionova 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Windows 0-Day Exploit Released by Nightmare-Eclipse on Self-Hosted Repository to Avoid Takedown
Introduction: Nightmare-Eclipse Exposes Critical Windows 0-Day Vulnerability The recent...
[Boost]
Dev.to · Tom Denniston 🔐 Cybersecurity ⚡ AI Lesson 3w ago
[Boost]
Securing PostgreSQL, in the order an attacker would try things ...
Deploying Pi-hole DNS Sinkhole Service on Ubuntu 24.04
Dev.to · Sanskriti Harmukh 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Deploying Pi-hole DNS Sinkhole Service on Ubuntu 24.04
Pi-hole is a network-level ad and tracker blocking application that acts as a DNS sinkhole, returning...
Deploying AdGuard Home Network Traffic Filtering on Ubuntu 24.04
Dev.to · Sanskriti Harmukh 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Deploying AdGuard Home Network Traffic Filtering on Ubuntu 24.04
AdGuard Home is an open-source, network-wide ad and tracker blocking DNS server with a web dashboard,...
Rust Crate 'onering' Compromised: Malicious Code Exfiltration Risk Mitigated with Updated Version
Dev.to · Sergey Boyarchuk 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Rust Crate 'onering' Compromised: Malicious Code Exfiltration Risk Mitigated with Updated Version
Introduction and Background The Rust ecosystem, celebrated for its memory safety and...
Zero-Trust Architecture Across Multiple Clouds
Dev.to · beefed.ai 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Zero-Trust Architecture Across Multiple Clouds
Implement a zero-trust model across clouds: federated identity (SAML/OIDC), microsegmentation, encryption-in-transit, and continuous policy enforcemen
Stop sharing .env files in Discord. I built a zero-setup, E2E encrypted CLI instead.
Dev.to · Arjuna Nayak 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Stop sharing .env files in Discord. I built a zero-setup, E2E encrypted CLI instead.
Sharing environment variables during a quick project hand-off shouldn't require setting up a heavy...
Foundry Invariant Testing: Finding Bugs Fuzzing Can't
Dev.to · Pavel Espitia 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Foundry Invariant Testing: Finding Bugs Fuzzing Can't
Your fuzz tests pass. Your unit tests pass. Coverage is green. Then the protocol goes live and...
Why Developers Should Never Leave Backup Files on Production Servers
Dev.to · Arashad Dodhiya 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Why Developers Should Never Leave Backup Files on Production Servers
As I continue learning web application security, I keep discovering that many serious vulnerabilities...
How to Secure Azure Files and Blob Storage Using Managed Identities.
Dev.to · SULIAT 🔐 Cybersecurity ⚡ AI Lesson 3w ago
How to Secure Azure Files and Blob Storage Using Managed Identities.
INTRODUCTION Keeping cloud storage safe means more than just setting a password. When...
Blinding the Watchmen: Abusing Cloud Logging Services for Defense Evasion and Visibility
Dev.to · Mark0 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Blinding the Watchmen: Abusing Cloud Logging Services for Defense Evasion and Visibility
⚠️ Region Alert: UAE/Middle East This article examines the critical role of cloud logging services,...
Proton launches cross-platform Drive CLI for encrypted terminal file management
Dev.to · Dave Kurian 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Proton launches cross-platform Drive CLI for encrypted terminal file management
Proton Drive CLI now available on Windows, Mac, and Linux for smooth encrypted file management via terminal.
If the Shai-Hulud worm reached your GitHub repos, please read this
Dev.to · Ionut-Cristian Florescu 🔐 Cybersecurity ⚡ AI Lesson 3w ago
If the Shai-Hulud worm reached your GitHub repos, please read this
The Miasma / Shai-Hulud worm is still live in many GitHub repositories. How to tell if you were hit, clean up safely, and what to do if you are locked out.
Auditing an MCP Server Against the OWASP MCP Top 10
Dev.to · Gustavo 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Auditing an MCP Server Against the OWASP MCP Top 10
Auditing an MCP Server Against the OWASP MCP Top 10 The OWASP MCP Top 10 is now the...
Learn Claude Code: /security-review
Dev.to · Eduardo Aguilera 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Learn Claude Code: /security-review
Catch injection, broken auth, and secret leaks before your PR does. Description Reads the...
The Env Variable Name Was Gone From the Bundle. The Value Wasn't.
Dev.to · Oopssec Store 🔐 Cybersecurity ⚡ AI Lesson 3w ago
The Env Variable Name Was Gone From the Bundle. The Value Wasn't.
Exploiting a misused NEXT_PUBLIC_ environment variable in OopsSec Store to recover a payment secret...
The Leopard's Head
Dev.to · David Aronchick 🔐 Cybersecurity ⚡ AI Lesson 3w ago
The Leopard's Head
On May 19, somebody logged into a single npm account and, over the next twenty-two minutes, published...
When Chain Analysis Fails: Three Boundaries You Cannot Cross
Dev.to · Eldor Zufarov 🔐 Cybersecurity ⚡ AI Lesson 3w ago
When Chain Analysis Fails: Three Boundaries You Cannot Cross
Chain analysis is the best tool we've gained in recent years. It turns a list of vulnerabilities into...
Snyk vs Kolega: why pattern matching has a ceiling, and what sits above it
Dev.to · Muhammad Hasan 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Snyk vs Kolega: why pattern matching has a ceiling, and what sits above it
Snyk is the tool you get compared to when you build anything in this space, because it is the...
Aave Tightens Risk Controls Following KelpDAO Security Breach
Dev.to · Codego Group 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Aave Tightens Risk Controls Following KelpDAO Security Breach
Aave proposes comprehensive risk framework with stricter standards for listings and monitoring after KelpDAO exploit exposed vulnerabilities in decentralized fi
Humanity Protocol breach exposes crypto infrastructure vulnerabilities as 100M tokens minted
Dev.to · Codego Group 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Humanity Protocol breach exposes crypto infrastructure vulnerabilities as 100M tokens minted
Hacker exploits Humanity Protocol to mint 100 million $H tokens on BSC, highlighting critical security gaps in decentralized finance infrastructure.
The Gemini CLI CVSS 10 Attack: How a GitHub Issue Became a Supply Chain Weapon
Dev.to · Toni Antunovic 🔐 Cybersecurity ⚡ AI Lesson 3w ago
The Gemini CLI CVSS 10 Attack: How a GitHub Issue Became a Supply Chain Weapon
Pillar Security researchers chained a prompt injection in a public GitHub issue to a full supply chain compromise of the gemini-cli repository, earning a CVSS 1
Renaming wp-login isn't the same as making wp-admin disappear
Dev.to · Calin V. 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Renaming wp-login isn't the same as making wp-admin disappear
"How do I hide wp-admin" is one of the most-searched WordPress security questions, and most answers...
Why Integration Tests Flake in CI but Pass Locally
Dev.to · Taras H 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Why Integration Tests Flake in CI but Pass Locally
An integration test that passes locally and fails in CI is usually not random. It is usually...
Web Crypto API in the browser vs Node.js: the differences that will burn you
Dev.to · Juan Torchia 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Web Crypto API in the browser vs Node.js: the differences that will burn you
Web Crypto API looks like one thing — until you try to reuse the same encryption code across browser, Node.js, and Next.js edge runtime. The differences are sub
Implementing Forward Secrecy in Rust: A Double Ratchet and Three Storage Formats
Dev.to · Matías Denda 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Implementing Forward Secrecy in Rust: A Double Ratchet and Three Storage Formats
Per-message key rotation, KDF chains, and the three different ways I ended up storing ephemeral keys because chat and file transfer want different things. Part
Browserscan.net Canvas Fingerprint Pure-JS Technical Report
Dev.to · LoseNine 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Browserscan.net Canvas Fingerprint Pure-JS Technical Report
browserscan.net Canvas Fingerprint Pure-JS Technical Report Join my Discord community to...
What Managing Multiple Devices Taught Me About Endpoint Security (And Why Performance Matters More Than Marketing)
Dev.to · webroot 🔐 Cybersecurity ⚡ AI Lesson 3w ago
What Managing Multiple Devices Taught Me About Endpoint Security (And Why Performance Matters More Than Marketing)
A few years ago, I thought endpoint security was mostly about antivirus software. Install a security...
Your IoT Devices Will Outlive Your Cryptography
Dev.to · German 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Your IoT Devices Will Outlive Your Cryptography
A smart meter installed today has a 15-year service life. A medical device implanted this year may...
What the First 90 Days of Managed CSPM Look Like
Dev.to · Jon Rose 🔐 Cybersecurity ⚡ AI Lesson 3w ago
What the First 90 Days of Managed CSPM Look Like
What happens when you engage a managed CSPM service? Here's what the first 90 days typically look...
Auto-supplying SSH passwords without sshpass: the SSH_ASKPASS trick
Dev.to · Max RH 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Auto-supplying SSH passwords without sshpass: the SSH_ASKPASS trick
I built sshelf, a terminal UI for managing SSH hosts. Save each host once (key, port, jump hosts,...
PDF Forensics Without the Original File: One-Sided Fraud Detection
Dev.to · Iurii Rogulia 🔐 Cybersecurity ⚡ AI Lesson 3w ago
PDF Forensics Without the Original File: One-Sided Fraud Detection
Most comparison tools need both versions. HTPBE? detects PDF tampering from one file by reading structural signals the document preserves about its own…
3 Days to Kill Check Point VPN Bug, CISA Tells Feds
Dev.to · XOOMAR 🔐 Cybersecurity ⚡ AI Lesson 3w ago
3 Days to Kill Check Point VPN Bug, CISA Tells Feds
CISA gave agencies 72 hours to fix a Check Point VPN flaw already exploited as a zero-day by attackers.
Fifth Chrome Zero-Day Forces Google's Emergency Patch
Dev.to · XOOMAR 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Fifth Chrome Zero-Day Forces Google's Emergency Patch
Google patched a fifth exploited Chrome zero-day this year. The V8 flaw can let crafted HTML corrupt memory, so update fast.
Social Engineering: Why Attackers Hack People Instead of Systems
Dev.to · Kostiantyn Chertov 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Social Engineering: Why Attackers Hack People Instead of Systems
A few years ago, when someone mentioned a cyberattack, most people imagined a skilled hacker breaking...
Embracing Zero Trust Security Architecture: A DevOps and AI Engineer's Perspective
Dev.to · Naveen Malothu 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Embracing Zero Trust Security Architecture: A DevOps and AI Engineer's Perspective
Learn how to implement Zero Trust security architecture in your DevOps and AI projects, with real-world examples and practical tips from a Full Stack Engineer.
Browser Privacy 2026: What Changed Since Lockdown Mode (4-year retrospective)
Dev.to · ricco020 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Browser Privacy 2026: What Changed Since Lockdown Mode (4-year retrospective)
iOS Lockdown Mode shipped 4 years ago. WebKit JIT benchmarks, fingerprinting reality, what tech-aware users do in 2026.
When “Hi, This Is IT” Comes Through Microsoft Teams
Dev.to · Mark0 🔐 Cybersecurity ⚡ AI Lesson 3w ago
When “Hi, This Is IT” Comes Through Microsoft Teams
Threat actors are increasingly shifting from traditional email phishing to chat-based social...
Building filo-go: Reimagining Digital Forensics in Go
Dev.to · Supun Hewagamage 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Building filo-go: Reimagining Digital Forensics in Go
As a cybersecurity student, I spend a lot of time working with tools like Binwalk, ExifTool, file,...
BoxAgnts Tool System (2) — The Security Model of Wasmtime Sandboxing
Dev.to · Guyoung Studio 🔐 Cybersecurity ⚡ AI Lesson 3w ago
BoxAgnts Tool System (2) — The Security Model of Wasmtime Sandboxing
The core rationale behind BoxAgnts choosing WebAssembly sandboxing: "capability-based injection"...
BYOVD Explained — How Attackers Use Signed Drivers to Kill EDRs
Dev.to · nimesh nakum 🔐 Cybersecurity ⚡ AI Lesson 3w ago
BYOVD Explained — How Attackers Use Signed Drivers to Kill EDRs
Your EDR sees everything. Process launches, thread injections, DLL loads, filesystem writes. It has...