Tech Skills

Cybersecurity

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

18,732
lessons
Skills in this topic
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Security Basics
beginner
Fix OWASP top 10 vulnerabilities
Cryptography Fundamentals
intermediate
Explain how digital signatures prevent tampering
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 (11,817) Articles (5925)Blog Posts (4558)Tutorials (432)Research Papers (37)News (865)
Digital ID brain trust will meet behind closed doors as minister ducks cost questions
The Register 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Digital ID brain trust will meet behind closed doors as minister ducks cost questions
Minutes will not be published, and MPs still have no answer on the group's budget or how its members were chosen
Secrets sprawl: how we cleaned up 412 leaked tokens and stopped the latency bleed
Dev.to · isabelle dubuis 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Secrets sprawl: how we cleaned up 412 leaked tokens and stopped the latency bleed
When a CI pipeline failed at 02:13 AM on March 3, we discovered that 412 distinct API tokens had been...
Flutter Developer + Cyber Security = A More Powerful You
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Flutter Developer + Cyber Security = A More Powerful You
Why doing both is not confusion — it’s your biggest competitive edge Continue reading on Medium »
Reddit r/cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Are HackTheBox & TryHackMe Certificates actually recognised by employers?
Currently doing a three year computer science bachelors with a major in cybersecurity and I’ve been looking into HackTheBox and TryHackMe for some extra work du
Why your reCAPTCHA v3 score is low — and how to actually raise it
Dev.to · Bassem Shahin 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Why your reCAPTCHA v3 score is low — and how to actually raise it
reCAPTCHA v3 doesn't show a puzzle — it scores your whole session 0.0–1.0. Here's what actually drives a low score (IP, fingerprint, behavior) and how to raise
Data Encryption Solution: Why It Matters for Modern Cybersecurity
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Data Encryption Solution: Why It Matters for Modern Cybersecurity
In today’s digital economy, data has become one of the most valuable assets for any organization. From customer records and financial… Continue reading on Mediu
The Internet’s Dirty Little Secret: Anyone Can Investigate Anyone — and Here Are 20 Free Tools to…
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
The Internet’s Dirty Little Secret: Anyone Can Investigate Anyone — and Here Are 20 Free Tools to…
What spies, FBI agents, and your nosy neighbor all have in common — and how you can join the club for $0. Continue reading on Medium »
Breaking Into Cybersecurity in 2026 — A Series (Part IV: Get In The Room)
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Breaking Into Cybersecurity in 2026 — A Series (Part IV: Get In The Room)
Welcome back — this is Part IV and the final piece of the series. Continue reading on MeetCyber »
Security Mistakes Every Full Stack Developer Makes (And How AI Caught Mine)
Medium · JavaScript 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Security Mistakes Every Full Stack Developer Makes (And How AI Caught Mine)
I thought my code was secure. An AI security review disagreed — and it was right. Continue reading on Medium »
Building Trust Into Authentication: Practical Access Control Patterns for Modern Apps
Dev.to · Samiat Akande 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Building Trust Into Authentication: Practical Access Control Patterns for Modern Apps
Most apps think they are secure because they have login pages. But authentication is only the first...
Before You Hack Anything — How Penetration Testers Define Scope and Rules of Engagement
Dev.to · Khalif AL Mahmud 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Before You Hack Anything — How Penetration Testers Define Scope and Rules of Engagement
Most people think penetration testing starts with running tools — Nmap, Metasploit, Burp Suite. But...
Why Your Browser Should Do the Heavy Lifting: A Guide to Local Data Sanitization
Dev.to · will.indie 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Why Your Browser Should Do the Heavy Lifting: A Guide to Local Data Sanitization
Stop Uploading Your Sensitive Data to Sketchy Websites Just to Trim a File If you have...
Monorepo Dependency Security — Vulnerability Scanning Across Packages
Dev.to · Vulert 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Monorepo Dependency Security — Vulnerability Scanning Across Packages
A monorepo can look like one repository, but security teams should treat it as many applications...
Should Your App Adopt Passkeys?
Dev.to · Developer Service 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Should Your App Adopt Passkeys?
Someone on your leadership team asked a reasonable question: should we adopt passkeys? You searched...
How I Used Wireshark to Dissect a Real TCP Connection — From Handshake to Teardown
Dev.to · Khalif AL Mahmud 🔐 Cybersecurity ⚡ AI Lesson 2w ago
How I Used Wireshark to Dissect a Real TCP Connection — From Handshake to Teardown
Most people who study networking learn TCP from diagrams and textbooks. But there is a real...
Cyber Security Career Guide 2026: Salary, Skills, Certifications & Job Opportunities in India
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Cyber Security Career Guide 2026: Salary, Skills, Certifications & Job Opportunities in India
The digital world is growing rapidly, and so are cyber threats. From multinational companies to government organizations and startups… Continue reading on Mediu
How to Know if a Website Is Safe Before You Click (2026 Guide)
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
How to Know if a Website Is Safe Before You Click (2026 Guide)
A few months ago, one of my friends was looking for a new pair of wireless earbuds. He found a website offering a huge discount — almost… Continue reading on Me
Elastic: Setting up a SOC Lab | TryHackMe
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Elastic: Setting up a SOC Lab | TryHackMe
Set up a SOC lab with Elasticsearch, Kibana, and Fleet Server. Continue reading on Medium »
Your Database Will Be Breached Someday. The Question Is: Will Passwords Be Inside?
Dev.to · Keyur Gohil 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Your Database Will Be Breached Someday. The Question Is: Will Passwords Be Inside?
Most developers think password hashing is about authentication. It's not. Authentication is just a...
Why Enterprises Are Investing in SIEM in 2026
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Why Enterprises Are Investing in SIEM in 2026
Due to increasing complexity in cyber-attacks as well as regulatory changes, there is a growing importance attached to visibility as well… Continue reading on M
Small business cybercrime and the loss of network control
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Small business cybercrime and the loss of network control
Small businesses rarely fail because attackers outsmart their technology. They fail because their environments expand faster than their… Continue reading on Med
Why Static Analysis Just Became a Boardroom Conversation in Fintech
Hackernoon 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Why Static Analysis Just Became a Boardroom Conversation in Fintech
Static analysis used to mean a linter nobody read. In banking, it now decides who gets to touch the mainframe next.
Reddit r/cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
QR code phishing is becoming a real brand risk - how are you protecting your customers?
Went down the quishing rabbit hole after a couple of incident reports in our sector flagged QR-based credential harvesting, and now I'm auditing our own QR usag
Building a Visual Guide to PQC Handshakes
Hackernoon 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Building a Visual Guide to PQC Handshakes
Think quantum-proofing your applications requires a Ph.D. in advanced lattice mathematics? Think again.
Cryptocurrency Did Not Create Ransomware, It Industrialized It
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Cryptocurrency Did Not Create Ransomware, It Industrialized It
The Floppy Disk in the Mailbox Continue reading on Medium »
Agentic SAMM: Securing Development When the Developer Is No Longer Only Human
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Agentic SAMM: Securing Development When the Developer Is No Longer Only Human
An expanded version of my keynote at ISC.AI 2026 in Beijing. The framework and the tool are open — take them, break them, and send me what… Continue reading on
Classic Vulnerabilities Part 2: Oracle Manipulation, Flash Loans & Price Attacks
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Classic Vulnerabilities Part 2: Oracle Manipulation, Flash Loans & Price Attacks
Series: Web3 Security Zero se Advance ️ | Article #20 By HackerMD | 32 min read Continue reading on Medium »
Three Labs, Three Lessons: Wrapping Up Clickjacking on PortSwigger
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Three Labs, Three Lessons: Wrapping Up Clickjacking on PortSwigger
A week ago, I finished the entire XSS Apprentice track on PortSwigger, nine labs of finding sinks and breaking out of contexts. Continue reading on Medium »
The Script That Never Ran: My Third Clickjacking Lab on PortSwigger
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
The Script That Never Ran: My Third Clickjacking Lab on PortSwigger
The first two clickjacking labs were about framing and positioning. This third one adds a defense on top, a frame buster script meant to… Continue reading on Me
Reddit r/cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Crowdstrike Falcon Fusion SOAR workflows not firing for real alerts (but Test Mode works)?
Hey everyone, I’m stuck on a weird Fusion SOAR issue. I have three separate workflows set up for Identity , Endpoint , and NG-SIEM . When I use Test Execution w
Reddit r/cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Got free voucher for Microsoft Certified: Security Operations Analyst Associate
Hi everyone, I recently got a free voucher for the Microsoft Certified: Security Operations Analyst Associate exam, but I have to take it on 28/06/2026 . The pr
Stop treating security training as a yearly compliance checkbox
Dev.to · Renato Marinho 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Stop treating security training as a yearly compliance checkbox
Stop treating security training as a yearly chore. Learn how to use MCP to bridge the gap between vulnerabilities and developer education in real-time.
Shri Venkateshwara University concluded the Cybersecurity Workshop by felicitating the successful…
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Shri Venkateshwara University concluded the Cybersecurity Workshop by felicitating the successful…
Shri Venkateshwara University and UP Police Amroha concluded the 12 days Cyber Security National Workshop 2026 with full fanfare and… Continue reading on Medium
HackTheBox: Nexus Writeup
Dev.to · Yogeshwar Peela 🔐 Cybersecurity ⚡ AI Lesson 2w ago
HackTheBox: Nexus Writeup
Executive Summary This writeup documents the complete exploitation chain for the Nexus...
ArXiv cs.AI 🔐 Cybersecurity 📄 Paper ⚡ AI Lesson 2w ago
A Hybrid CNN-LSTM Intrusion Detection Framework for Cybersecurity in Smart Renewable Energy Grids
arXiv:2606.25200v1 Announce Type: cross Abstract: The accelerated digitalization of renewable energy smart grids through IoT sensors, AMI, and SCADA systems has
ArXiv cs.AI 🔐 Cybersecurity 📄 Paper ⚡ AI Lesson 2w ago
Securing Time Integrity in Energy IoT Against Clock Drift and Y2K38 Failures
arXiv:2601.23147v2 Announce Type: replace-cross Abstract: The integrity of time in distributed Internet of Things (IoT) devices is crucial for reliable operatio
N Green Checks Can Be One Bit: Counting Independence You Can Actually Check
Dev.to · Colin Easton 🔐 Cybersecurity ⚡ AI Lesson 2w ago
N Green Checks Can Be One Bit: Counting Independence You Can Actually Check
There's a move almost every trust system makes, and it's quietly broken. You have a thing you want...
Your WordPress Site Was Hacked: Why It Happens, How to Clean It Up, and How to Never Get Hit Again
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Your WordPress Site Was Hacked: Why It Happens, How to Clean It Up, and How to Never Get Hit Again
A real story of a small business that lost thousands in days — and the complete playbook to recover and protect your site. Continue reading on Medium »
Panduan Memilih Platform Online yang Aman dan Terpercaya untuk Pengguna Baru
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Panduan Memilih Platform Online yang Aman dan Terpercaya untuk Pengguna Baru
Di era digital yang semakin berkembang, pengguna memiliki banyak pilihan platform online untuk berbagai kebutuhan. Namun, tidak semua… Continue reading on Mediu
LDAP Explained: The Invisible Technology That Helps Computers Find Everything
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
LDAP Explained: The Invisible Technology That Helps Computers Find Everything
 Knowledge should be gated by curiosity, not paywalls. If you don’t have a Medium subscription, use the free link below and enjoy the… Continue reading on Medi
FortiBleed Campaign Insights: Understanding Credential Theft Through Internet-Exposed FortiGate…
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
FortiBleed Campaign Insights: Understanding Credential Theft Through Internet-Exposed FortiGate…
In June 2026, the FortiBleed campaign came to light after a dataset containing a large volume of login information associated with… Continue reading on OSINT Te
Building an IP Intelligence Layer in Go
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Building an IP Intelligence Layer in Go
Transforming IP addresses into actionable context for auditing, analytics, and security Continue reading on Medium »
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Private Internet Access vs Mullvad VPN: Which VPN Should You Actually Use in 2026?
Look, most VPN comparisons are mind-numbingly boring—they just list features and call it a day. But when you're actually running a business, choosing the right
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Hotspot Shield vs Norton VPN Pricing 2026: An Honest, Data-Backed Comparison
Want to know the dirty secret of VPN comparisons? Most of them are written by people who never actually paid for the product. I've tested more VPNs than I can c
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Learning SQL Injection Through a Login Bypass Lab (PortSwigger Walkthrough)
Youtube link: https://youtu.be/sDU4JxlWrnY Continue reading on Medium »
Reddit r/cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
codfish/semantic-release-action GitHub Action Tag Hijack
An attacker force-pushed a malicious composite action into codfish/semantic-release-action and moved fifteen published tags to that commit, exposing GitHub Acti
Reddit r/cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Snyk laid off up to 30% of their staff today
Ex employee here and I’m hearing up to 30% of Snyk’s team was let go. All teams impacted. Leadership says it’s to pivot to AI security. This comes a day after t
Your Key to a Private and Open Internet — NordVPN
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Your Key to a Private and Open Internet — NordVPN
Continue reading on Medium »