Tech Skills

Cybersecurity

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

7,031
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

Showing 1,649 reads from curated sources

This Is How Every Cyber Attack Actually Starts!
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
This Is How Every Cyber Attack Actually Starts!
It’s Not a Hollywood Hack It’s Boring, Patient and Starts with Public Information Continue reading on Data And Beyond »
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 3d ago
The MCP Security Gap No One Is Talking About
The MCP ecosystem is growing fast. Thousands of servers, dozens of clients, and teams across the industry moving from personal experimentation to production dep
Top 10 Security Mistakes Developers Make in 2026
Dev.to · SANGKUR 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Top 10 Security Mistakes Developers Make in 2026
After analyzing thousands of codebases, here are the most common security issues we find — ranked by...
Managing TLS certificates and JWT keys is still a mess in 2026 — so I built a tool
Dev.to · WRVault 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Managing TLS certificates and JWT keys is still a mess in 2026 — so I built a tool
Not my finest moment, but I was the person who let a prod cert expire because the renewal reminder...
An npm worm compromised 170 packages in six minutes — including OpenAI’s laptops
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 3d ago
An npm worm compromised 170 packages in six minutes — including OpenAI’s laptops
The TanStack attack wasn’t a stolen password. It was a structural failure in GitHub Actions that no rotated token can patch. Continue reading on Medium »
An npm worm compromised 170 packages in six minutes — including OpenAI’s laptops
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
An npm worm compromised 170 packages in six minutes — including OpenAI’s laptops
The TanStack attack wasn’t a stolen password. It was a structural failure in GitHub Actions that no rotated token can patch. Continue reading on Medium »
When the “Careful” Company Ships the .map File: Dissecting the Claude Code Leak
Medium · AI 🔐 Cybersecurity ⚡ AI Lesson 3d ago
When the “Careful” Company Ships the .map File: Dissecting the Claude Code Leak
On March 31, 2026, a single mispackaged file turned Anthropic’s most commercially prized product into an open book — exposing 512,000… Continue reading on Mediu
Sora AI + Socraticode AI | Future of Cybersecurity Testing
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Sora AI + Socraticode AI | Future of Cybersecurity Testing
Sora AI + SocratiCode AI | The Future of Cybersecurity Testing & Code Intelligence Continue reading on Medium »
Insights from the Black Hat Asia 2026 Keynote
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Insights from the Black Hat Asia 2026 Keynote
AI in cybersecurity has moved past the ‘toy’ phase. We are no longer just talking about clever prompts to bypass filters; we are entering… Continue reading on M
I Don’t Trust Any Chat App. So I Built My Own
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 3d ago
I Don’t Trust Any Chat App. So I Built My Own
Zero logs, zero servers, zero storage. Here’s what I found when I stopped trusting and started building. Continue reading on Medium »
I Don’t Trust Any Chat App. So I Built My Own
Medium · JavaScript 🔐 Cybersecurity ⚡ AI Lesson 3d ago
I Don’t Trust Any Chat App. So I Built My Own
Zero logs, zero servers, zero storage. Here’s what I found when I stopped trusting and started building. Continue reading on Medium »
I Don’t Trust Any Chat App. So I Built My Own
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
I Don’t Trust Any Chat App. So I Built My Own
Zero logs, zero servers, zero storage. Here’s what I found when I stopped trusting and started building. Continue reading on Medium »
Title: Mastering SOAR Playbooks: How to Automate Temporary URL Access in Netskope
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Title: Mastering SOAR Playbooks: How to Automate Temporary URL Access in Netskope
A native event-driven pattern that captures duration, justification, and approval workflow without middleware or external infrastructure. Continue reading on Me
Scaling MSSP Operations: Reducing Alert Fatigue via Autonomous SOC
Dev.to · Andrei Toma 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Scaling MSSP Operations: Reducing Alert Fatigue via Autonomous SOC
Discover how MSSPs can break the 'Data Wall' and eliminate alert fatigue using HookProbe’s edge-first autonomous SOC, Neural-Kernel, and eBPF-driven defense.
Analyse opérationnelle et renseignement sur la menace: décortiquer le vecteur d’attaque de…
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Analyse opérationnelle et renseignement sur la menace: décortiquer le vecteur d’attaque de…
Le 11 mai 2026, la communauté du renseignement sur la menace (CTI) a mis en lumière une campagne d’attaque d’une envergure critique… Continue reading on Medium
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Write-Up CTF #3 — LFI + PHP Null Byte Injection
Hii, mau share dokumentasi learning process terkait Web Pentesting Continue reading on Medium »
Resonant Skulker Attack: Recovering private keys to lost Bitcoin wallets via a critical nonce reuse…
Medium · Machine Learning 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Resonant Skulker Attack: Recovering private keys to lost Bitcoin wallets via a critical nonce reuse…
A critical nonce reuse or deterministic nonce reuse vulnerability in the MuSig2 protocol poses a fundamental threat to the Bitcoin… Continue reading on Medium »
Skill files are the new supply chain attack surface. Your CI pipeline does not know that yet.
Dev.to · Saray Chak 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Skill files are the new supply chain attack surface. Your CI pipeline does not know that yet.
In February 2026, Check Point Research disclosed two configuration injection flaws in Claude Code...
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Phalanx - A Local Cyber Shield Tool for Open-Source Packages
I self built a tool to fill in the package install gap. Continue reading on Medium »
The Vulnerability Scanning Model That Stopped Working at Scale
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
The Vulnerability Scanning Model That Stopped Working at Scale
A diagnosis of why most vulnerability management programmes produce reports instead of maintaining a live answer to “what is our exposure… Continue reading on M
How to keep bug bounty findings alive in the queue: the HEAD verification matrix
Dev.to · Jaeyoung Yun 🔐 Cybersecurity ⚡ AI Lesson 3d ago
How to keep bug bounty findings alive in the queue: the HEAD verification matrix
How to keep bug bounty findings alive in the queue: the HEAD verification matrix A...
A Practical Terraform Security Review with Codex and Claude Code
Dev.to · Mike Anderson 🔐 Cybersecurity ⚡ AI Lesson 3d ago
A Practical Terraform Security Review with Codex and Claude Code
A hands-on workflow for cybersecurity engineers who want to use AI coding tools safely during Terraform repository reviews, with exact prompts, validation steps
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
NordVPN vs ExpressVPN in 2026: Which is Honestly Better?
Choosing a premium VPN can be confusing. Both NordVPN and ExpressVPN are global leaders, but they serve different needs. Continue reading on Medium »
PDF Fraud in Real Estate: Protecting Property Transactions
Dev.to · Iurii Rogulia 🔐 Cybersecurity ⚡ AI Lesson 3d ago
PDF Fraud in Real Estate: Protecting Property Transactions
Real estate PDF fraud: how criminals modify deeds, wire instructions, and contracts. Prevention strategies to protect your property transactions.
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Top 5 reasons schools are switching to lab-based training
Introduction Over the past few years, schools and other institutions of learning have increased their pace in adopting teaching processes that involve hands-on
Why bug bounty income is harder than it looks: the New Hacker trial cap and six compound mistakes that wasted a full day
Dev.to · Jaeyoung Yun 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Why bug bounty income is harder than it looks: the New Hacker trial cap and six compound mistakes that wasted a full day
Why bug bounty income is harder than it looks: the New Hacker trial cap and six compound...
How I Investigated a Lumma Stealer Attack Disguised as a Windows 11 Update
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
How I Investigated a Lumma Stealer Attack Disguised as a Windows 11 Update
How I Investigated a Lumma Stealer Attack Disguised as a Windows 11 Update Continue reading on Medium »
Hiding in the Bits: Mastering AMBTC Steganography with Combination Theory
Dev.to · Anjasfedo 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Hiding in the Bits: Mastering AMBTC Steganography with Combination Theory
In our previous explorations, we looked at Coverless Steganography—a method where we don't change a...
What Happens When the Breach Happens Somewhere the World Forgot to Defend
Dev.to · Tariq Davis 🔐 Cybersecurity ⚡ AI Lesson 3d ago
What Happens When the Breach Happens Somewhere the World Forgot to Defend
This is a submission for the Gemma 4 Challenge: Write About Gemma 4 What Happens When...
You Are Never Browsing Alone
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
You Are Never Browsing Alone
How Did Instagram Know What I Googled on My PC? Continue reading on Medium »
VPN: What It Is, How It Works, and Why You Might Need One
Medium · Data Science 🔐 Cybersecurity ⚡ AI Lesson 3d ago
VPN: What It Is, How It Works, and Why You Might Need One
In today’s internet world, privacy and security have become more important than ever. Continue reading on Medium »
Breaking MedBay.AI
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Breaking MedBay.AI
How prompt injection, SSTI, and stored XSS chained together to fully compromise an AI medical assistant — and steal a privileged session… Continue reading on Me
From Alert Fatigue to Action: Architecting a Hyper-Automated SOC Workflow
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
From Alert Fatigue to Action: Architecting a Hyper-Automated SOC Workflow
I built three automation workflows for SOC over the past few months. One reports on client license usage across all managed sites. One… Continue reading on Medi
Medium · AI 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Advancing Cloud-Native Cybersecurity and Intelligent IoT Infrastructure for Telecommunications
This area clearly maps to multiple U.S. Critical and Emerging Technology categories. Continue reading on Medium »
MartiniAD  | Hack Smarter Labs Walkthrough
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
MartiniAD | Hack Smarter Labs Walkthrough
Walkthrough for “MartiniAD” on Hack Smarter Labs Continue reading on Medium »
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
GDPR Compliant Web Hosting in the UK: What Every Website Owner Must Know in 2026
If you run a website that serves UK visitors, GDPR compliance isn’t optional — it’s the law. But here’s what most people miss: your web… Continue reading on Med
Web Fuzzing
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Web Fuzzing
After completing all steps in the assessment, you will be presented with a page that contains a flag in the format of HTB{…}. What is that… Continue reading on
Security Through Obscurity:
The Comforting Lie We
Need to Stop Telling Ourselves
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Security Through Obscurity: The Comforting Lie We Need to Stop Telling Ourselves
In 1883, Auguste Kerckhoffs articulated a principle that still divides the security community 140 years later: a cryptographic system… Continue reading on Mediu
Host & Network Penetration Testing: Exploitation CTF 1
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Host & Network Penetration Testing: Exploitation CTF 1
This write-up walks through solving an Exploitation-based CTF challenge. The focus was on identifying vulnerable applications, exploiting… Continue reading on M
CrowdStrike’s Friday — The 78 Minutes That Broke the World’s Windows
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
CrowdStrike’s Friday — The 78 Minutes That Broke the World’s Windows
How one configuration file, classified as safe, grounded airlines, dimmed hospitals, and forced a reckoning every security vendor is still… Continue reading on
Hardening Algolia MCP Server the same way I hardened Notion MCP: seven small filters
Dev.to · Mukunda Rao Katta 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Hardening Algolia MCP Server the same way I hardened Notion MCP: seven small filters
Algolia's MCP server gives Claude or Cursor live access to your search index. That access is bidirectional: the model can read records and (depending on key sco
MCP Server Security Best Practices to Prevent Risk
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
MCP Server Security Best Practices to Prevent Risk
This post was originally published on Descope. Continue reading on Auth Thoughts »
Linux Has Been Hacked! (But I’m Not Worried)
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Linux Has Been Hacked! (But I’m Not Worried)
You do need to do one thing though Continue reading on Medium »
Malware Through the Lens of Governance
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Malware Through the Lens of Governance
Entry 2: The Floppy Disk Pandemic — A GRC Analysis of Elk Cloner (1982) Continue reading on Medium »
Why Microsoft Won’t Remove “Do Not Require Kerberos Pre-authentication”
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Why Microsoft Won’t Remove “Do Not Require Kerberos Pre-authentication”
The AD setting that should have died 15 years ago Continue reading on Medium »
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Synthesizing the Principles-Building Your Cohesive Security Blueprint
Over the course of this series, we’ve broken down five of the most critical pillars in cybersecurity: Continue reading on Medium »
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Security Through Obscurity-A Clever Tactic, But a Terrible Strategy
Security Through Obscurity relies on secrecy, hiding system details, or camouflage as a way to prevent attacks. It is the digital… Continue reading on Medium »
American Lending Center Data Breach Impacts 123,000 Individuals: What Financial Institutions Must…
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
American Lending Center Data Breach Impacts 123,000 Individuals: What Financial Institutions Must…
A recent data breach involving American Lending Center has reportedly affected approximately 123,000 individuals, underscoring the growing… Continue reading on