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 (3,391) Articles (2348)Blog Posts (660)Tutorials (274)Research Papers (4)News (105)
Stop Telling Beginners to Start With CompTIA A+.
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Stop Telling Beginners to Start With CompTIA A+.
The Most Repeated Advice in Cybersecurity Is Wrong Continue reading on Medium »
Stressed by Printer, Internet, and Computer Problems? Here is How to End the Tech Frustration
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Stressed by Printer, Internet, and Computer Problems? Here is How to End the Tech Frustration
We’ve all been there: you have a critical deadline, a meeting starting in five minutes, or a client waiting for an urgent report, and… Continue reading on Mediu
“Bug Bounty Bootcamp #54: Nmap — Your Digital Lockpick”
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 6d ago
“Bug Bounty Bootcamp #54: Nmap — Your Digital Lockpick”
Finding Open Ports and Hidden Services Continue reading on InfoSec Write-ups »
Your Fuzzer Is Only as Smart as Its Oracle
Dev.to · Takafumi Endo 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Your Fuzzer Is Only as Smart as Its Oracle
A migration passed every check — then I saw the path it took: DROP TABLE; CREATE TABLE. Randomness doesn't find bugs, oracles do. What AI made cheap in dev-tool
The Unexpected Aftermath of Winning CyberwarLab’s CTF
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
The Unexpected Aftermath of Winning CyberwarLab’s CTF
In early 2025, I joined the CyberWarLab internship program because I was genuinely interested in cybersecurity training and practical… Continue reading on Mediu
No, your cloud storage is not full! Yes, they’re coming after you!
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
No, your cloud storage is not full! Yes, they’re coming after you!
We’ve warned you for over a decade that storing your data on someone else’s hard drive (“the cloud”) could have a very bad ending. Here’s… Continue reading on M
Supply Chain Attacks Bypassed Every Trust Signal We Built
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Supply Chain Attacks Bypassed Every Trust Signal We Built
When the May 2026 TanStack compromise produced validly-attested malicious packages, it exposed a gap between what provenance proves and… Continue reading on Med
Supply Chain Attacks Bypassed Every Trust Signal We Built
Medium · DevOps 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Supply Chain Attacks Bypassed Every Trust Signal We Built
When the May 2026 TanStack compromise produced validly-attested malicious packages, it exposed a gap between what provenance proves and… Continue reading on Med
Supply Chain Attacks Bypassed Every Trust Signal We Built
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Supply Chain Attacks Bypassed Every Trust Signal We Built
When the May 2026 TanStack compromise produced validly-attested malicious packages, it exposed a gap between what provenance proves and… Continue reading on Med
I gave away free WordPress hosting. The phishers showed up almost immediately.
Medium · Python 🔐 Cybersecurity ⚡ AI Lesson 6d ago
I gave away free WordPress hosting. The phishers showed up almost immediately.
The whole point of wp.run is speed: type nothing, click once, and a few seconds later you have a real WordPress site on a real public… Continue reading on Mediu
Essential Ransomware Prevention for Small Businesses: A Comprehensive Guide by Test WS
Dev.to · RV 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Essential Ransomware Prevention for Small Businesses: A Comprehensive Guide by Test WS
--- title: "Essential Ransomware Prevention for Small Businesses: A Comprehensive...
Domain Lateral Movement: PTH, PTK, and PTT Hash-Based Credential Transfer
Dev.to · Excalibra 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Domain Lateral Movement: PTH, PTK, and PTT Hash-Based Credential Transfer
Abstract: This article delineates the operational workflow of the Kerberos protocol within a domain...
Top 10 Free Cybersecurity Tools You Should Be Using in 2026
Dev.to · Carrie 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Top 10 Free Cybersecurity Tools You Should Be Using in 2026
The cybersecurity tooling landscape has shifted a lot over the past few years. Open-source...
Enforcing Behavior: Active Directory GPOs, Security Baselines, and Group-Aware Drive Mapping
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Enforcing Behavior: Active Directory GPOs, Security Baselines, and Group-Aware Drive Mapping
Stop managing configurations manually. Transition your security posture from a written policy document into automated, technical domain… Continue reading on Med
I Tested Dozens of Free VPNs in 2026 — Here Are the Only 5 Worth Using
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
I Tested Dozens of Free VPNs in 2026 — Here Are the Only 5 Worth Using
Stop downloading random app store VPNs that sell your data. These audited free tiers offer real security without the premium cost. Continue reading on Pulse Nov
Search Engine Journal 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Ultimate Member WordPress Plugin Vulnerability Affects Up To 200k Sites via @sejournal, @martinibuster
WordPress plugin vulnerability rated 8.8/10 enables attackers to gain full site access. The post Ultimate Member WordPress Plugin Vulnerability Affects Up To 20
How a Simple SSRF Vulnerability Can Lead to AWS Credential Theft: Understanding EC2 Metadata…
Medium · DevOps 🔐 Cybersecurity ⚡ AI Lesson 6d ago
How a Simple SSRF Vulnerability Can Lead to AWS Credential Theft: Understanding EC2 Metadata…
A Scenario That Should Feel Familiar Continue reading on Medium »
Anatomy of a 6.2M Record Telecom Breach: When Vishing Meets Broken Access Control
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Anatomy of a 6.2M Record Telecom Breach: When Vishing Meets Broken Access Control
How a simple social engineering attack bypassed a national telecom’s entire security perimeter, and the architectural failures that… Continue reading on InfoSec
Havenlon Whitepaper Explained | Execution Control Philosophy (5): From Information Security to…
Medium · AI 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Havenlon Whitepaper Explained | Execution Control Philosophy (5): From Information Security to…
Based on Section 1.4 of the Havenlon Whitepaper v2.0. This section explains why traditional information security cannot govern execution… Continue reading on Me
Havenlon Whitepaper Explained | Execution Control Philosophy (5): From Information Security to…
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Havenlon Whitepaper Explained | Execution Control Philosophy (5): From Information Security to…
Based on Section 1.4 of the Havenlon Whitepaper v2.0. This section explains why traditional information security cannot govern execution… Continue reading on Me
(How Influence Operations Work)What the Dark Web Taught Me About Modern Influence Operations
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
(How Influence Operations Work)What the Dark Web Taught Me About Modern Influence Operations
What nearly two decades of observing dark web ecosystems taught me about how influence operations really work. It often starts much deeper… Continue reading on
Havenlon Whitepaper Explained | Execution Control Philosophy (4): Why Traditional Security Fails in…
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Havenlon Whitepaper Explained | Execution Control Philosophy (4): Why Traditional Security Fails in…
Based on Sections 1.2 and 1.3 of the Havenlon Whitepaper v2.0. This section highlights that decision-making, approval, and execution all… Continue reading on Me
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1w ago
I built a honeypot that fingerprints every script kiddie that knocks & here's what I found!
<img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.us-east-2.amazon
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1w ago
The Privacy Bill Always Comes Due — Joseph Sides
Many companies still treat privacy and data protection like optional overhead. They will spend aggressively on marketing, customer… Continue reading on Medium »
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1w ago
Pentesting for me
hei guys i wonder how you people are doing m here to track my journey of cyber security as i m in the field for more than 3 years but all… Continue reading on M
My CloudSEK CTF 2026 Experience
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1w ago
My CloudSEK CTF 2026 Experience
The CloudSEK Women’s Hiring CTF 2026 was a 48 hours, multi-category competition covering ransomware analysis, OSINT, web exploitation, and… Continue reading on
Vulnerabilidades Basadas en el DOM: Guía Técnica de Explotación y Mitigación
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1w ago
Vulnerabilidades Basadas en el DOM: Guía Técnica de Explotación y Mitigación
Aprende a identificar, explotar y mitigar vulnerabilidades DOM (XSS, CSPP y DOM Clobbering) con metodologías avanzadas de Bug Bounty. Continue reading on Medium
Analysis of a Domestic Website Compromise and Its Abuse for Black Hat SEO Activities
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1w ago
Analysis of a Domestic Website Compromise and Its Abuse for Black Hat SEO Activities
Executive Summary Continue reading on Medium »
Instagram Is Down Again And the Real Story Isn’t the Outage, It’s What Happens in the 30 Minutes…
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1w ago
Instagram Is Down Again And the Real Story Isn’t the Outage, It’s What Happens in the 30 Minutes…
A cybersecurity perspective on platform failures, the scams that ride in behind them, and why “is it down?” is the wrong question to be… Continue reading on Med
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1w ago
The implementation of secure
The implementation of secure, off-site data replication protocols guarantees that your historical profile data remains safe against unexpected localized power f
ZDNet 🔐 Cybersecurity ⚡ AI Lesson 1w ago
The 10-step phone security tune-up you should run every year - and why
Don't let the most essential device in your life become a liability. Our one-hour wellness check will keep your phone secure for another year.
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1w ago
MCP Server Security Audit 2026: 5 Real Community Server Reviews + Trap Patterns
Adding to my watchlist of AI dev tools. Quick rundown: MCP Server Security Audit 2026: 5 Real Community Server Reviews + Trap Patterns Audited 5 popular communi
Claude Code Security: Why the Real Risk Lies Beyond Code
Dev.to · Dwayne McDaniel 🔐 Cybersecurity ⚡ AI Lesson 1w ago
Claude Code Security: Why the Real Risk Lies Beyond Code
Many cybersecurity professionals have been following Anthropic's announcement about the release of...
I'm Building a Code Security Analyzer. A Security Tool Found a Critical In It.
Dev.to · Stanislav Kremeň 🔐 Cybersecurity ⚡ AI Lesson 1w ago
I'm Building a Code Security Analyzer. A Security Tool Found a Critical In It.
I'm building a tool that's supposed to help check code. I call it vibeanalyzer for now. The idea is...
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1w ago
Healthcare Data Security Under Pressure as Xsolis Breach Impacts 1.4 Million Individuals
The healthcare sector continues to face growing cybersecurity challenges as another large-scale data breach highlights the risks… Continue reading on Medium »
Intent Doesn’t Lie. How TIKOS® Stopped Every Prompt Injection
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1w ago
Intent Doesn’t Lie. How TIKOS® Stopped Every Prompt Injection
How TIKOS® Stopped Every Prompt Injection In A Critical System Analysing LLM Internals. Continue reading on Tikos Tech »
Why Weak Passwords Still Win: Lessons from a Hydra Brute-Force Exercise
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1w ago
Why Weak Passwords Still Win: Lessons from a Hydra Brute-Force Exercise
Cybersecurity is one of those fields where reading about attacks and actually performing them in a controlled environment are two… Continue reading on Medium »
Meta pauses its employee mouse-tracking program over data-security fears
The Next Web AI 🔐 Cybersecurity ⚡ AI Lesson 1w ago
Meta pauses its employee mouse-tracking program over data-security fears
The Model Capability Initiative, which logs mouse movements and keystrokes to train Meta’s AI, is on hold after sensitive staff data was left accessible to the
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1w ago
From Isolated Indicators to Campaign-Level Scam Intelligence
Most scam response still begins with isolated indicators: a suspicious URL, a phone number, a fake profile, a screenshot, a… Continue reading on Medium »
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1w ago
Top 10 Cybersecurity Best Practices Every Company Should Follow
Meta Title: Top 10 Cybersecurity Best Practices Every Company Should Follow Continue reading on Medium »
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1w ago
NOID
NOID allows you to exist online as thousands of unrelated identities, making surfing completely safe. Furthermore, it is free of all the tracking tools found in
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1w ago
Beyond the Quantum Horizon: How I Built a Live ML-KEM Visualizer with Node.js
Think quantum-proofing your applications requires a Ph.D. in advanced lattice mathematics? Think again. Continue reading on Medium »
We Scanned 10 Shopify Agency Websites. Here Is What We Found.
Dev.to · Guardr 🔐 Cybersecurity ⚡ AI Lesson 1w ago
We Scanned 10 Shopify Agency Websites. Here Is What We Found.
Last night I ran external security scans on the public websites of 10 leading Shopify and...
The Silent Ledger Leak: Measuring Causality Violations in Async Payment Pipelines
Dev.to · yakuburoseline1-gif 🔐 Cybersecurity ⚡ AI Lesson 1w ago
The Silent Ledger Leak: Measuring Causality Violations in Async Payment Pipelines
I spent the last few months trying to understand why reconciliation errors keep appearing in...
I Almost Hashed a Document Number That Needed to Be Read Again
Dev.to · Ravi Gupta 🔐 Cybersecurity ⚡ AI Lesson 1w ago
I Almost Hashed a Document Number That Needed to Be Read Again
What building KYC verification taught me about the difference between encryption and hashing - and...
The Predatory Use of CAPTCHA Fraud
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1w ago
The Predatory Use of CAPTCHA Fraud
A guide to recognizing fake verification methods and practical steps for securing your device Continue reading on IT Chronicles »
User ID Controlled By Request Parameter With Data Leakage In Redirect
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1w ago
User ID Controlled By Request Parameter With Data Leakage In Redirect
Access Control Vulnerabilities — APPRENTICE Continue reading on Medium »
Day 42: You Don’t Need Any Other Linux Firewall Tutorial After This
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1w ago
Day 42: You Don’t Need Any Other Linux Firewall Tutorial After This
Learn Firewalls in Linux from Scratch with iptables, firewalld, UFW, nftables, and More Continue reading on Medium »