Tech Skills

Cybersecurity

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

17,983
lessons
Skills in this topic
View full skill map →
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 (11,074) Articles (5491)Blog Posts (4301)Tutorials (407)Research Papers (34)News (841)
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Saleem Yousaf insight: Understanding MITRE ATT&CK and MITRE ATLAS for Modern Cloud Security
Security isn’t just about firewalls anymore. Modern attacks target: • Cloud identities • SaaS apps • APIs • Containers • AI systems • Hybrid infrastructure To d
The Embedded Software Trust Stack
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
The Embedded Software Trust Stack
How firmware bugs are born, why they haven’t killed us yet, and what happens when the safety net goes away Continue reading on Medium »
The Hidden Security Flaw In Your Dockerfile That 99% Of Devs Miss
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
The Hidden Security Flaw In Your Dockerfile That 99% Of Devs Miss
The average time between a credential appearing in a public Docker image and it being used maliciously is four minutes. Not four days. Not… Continue reading on
The Day I Realized Recon Matters More Than Hacking
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
The Day I Realized Recon Matters More Than Hacking
Because you can’t break what you can’t see. Continue reading on System Weakness »
I Debugged 80 Production Incidents. Here’s the Pattern Nobody Talks About.
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
I Debugged 80 Production Incidents. Here’s the Pattern Nobody Talks About.
Every incident looks different. Until you’ve seen enough of them. Continue reading on Stackademic »
Ubuntu Blocked One Door. Dirty Frag Found Another
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Ubuntu Blocked One Door. Dirty Frag Found Another
A Linux kernel bug, a blocked path, and a painful reminder that attackers do not need every door open. They only need one. Continue reading on Medium »
The Best Bug Bounty Skill Isn’t Hacking… It’s Pattern Recognition
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
The Best Bug Bounty Skill Isn’t Hacking… It’s Pattern Recognition
How I started finding vulnerabilities faster without learning new exploits Continue reading on Level Up Coding »
Why Most Bug Hunters Miss the Obvious Vulnerabilities
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Why Most Bug Hunters Miss the Obvious Vulnerabilities
Because they’re too busy looking for complex ones. Continue reading on System Weakness »
TCM Practical AI Pentest Associate (PAPA) Review: My Honest Experience (2026 — English Version)
Medium · AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
TCM Practical AI Pentest Associate (PAPA) Review: My Honest Experience (2026 — English Version)
My Experience with the Practical AI Pentest Associate (PAPA) Certification by TCM Security Continue reading on Medium »
How I Accidentally Became a Superuser, Dumped a University Archive, and Set My Faculty to “Faculty…
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
How I Accidentally Became a Superuser, Dumped a University Archive, and Set My Faculty to “Faculty…
A fully authorized pentest of a friend’s platform — and what I found in the first few hours. Continue reading on Medium »
CTI Kill Chain: An Analyst Guide With Real-World Evidence
Medium · AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
CTI Kill Chain: An Analyst Guide With Real-World Evidence
Mapping adversary behavior from preparation to impact without overstating the evidence Continue reading on Medium »
Initial Access Brokers (IABs): The Hidden Supply Chain of Modern Cybercrime
Medium · AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Initial Access Brokers (IABs): The Hidden Supply Chain of Modern Cybercrime
Cybercrime today is no longer driven only by individual hackers breaking into systems. Continue reading on Medium »
Initial Access Brokers (IABs): The Hidden Supply Chain of Modern Cybercrime
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Initial Access Brokers (IABs): The Hidden Supply Chain of Modern Cybercrime
Cybercrime today is no longer driven only by individual hackers breaking into systems. Continue reading on Medium »
Building a Real-Time SOC Threat Detection System with Python
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Building a Real-Time SOC Threat Detection System with Python
As someone interested in Cybersecurity, AI, and Security Operations Center (SOC) workflows, I wanted to build a project that simulates… Continue reading on Medi
I Rebuilt My Authentication System After a Hacker Found This Flaw
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
I Rebuilt My Authentication System After a Hacker Found This Flaw
Most security incidents do not begin with alarms. Continue reading on Medium »
How One Small Misconfiguration Led to a Critical Finding
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
How One Small Misconfiguration Led to a Critical Finding
Tiny cracks can break entire systems. Continue reading on System Weakness »
Privacy-first journaling: what it actually means in code
Medium · AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Privacy-first journaling: what it actually means in code
The five choices that turn “we take privacy seriously” from boilerplate into something you can verify. Continue reading on Medium »
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Cryptourrency Tracing & Investigation Firms Based-in UK Consult ZEUS CRYPTO RECOVERY SERVICES
Finding a specialized team to navigate the complex world of blockchain forensics is essential for anyone who has lost digital assets. Below is the reimagined pr
WhatsApp Just Fixed Two Security Bugs—Here's What They Were
Medium · AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
WhatsApp Just Fixed Two Security Bugs—Here's What They Were
Meta published a security advisory on May 1 disclosing two vulnerabilities in WhatsApp that were caught through its bug bounty program. Continue reading on Pred
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Cloud Forensics: A Meta-Study of Challenges, Approaches, and Open Problems
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
A Professional Development Guide to Cisco IoT Network Security
The Cisco 700-821 certification is a specialised certification focused on IoT network security and connected infrastructure protection. As the Internet of Thing
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
We shipped a free Web Bot Auth verifier. Here's what makes L4 different from L3.
We shipped a free Web Bot Auth verifier. Here's what makes L4 different from L3. Web Bot Auth is getting serious attention. Cloudflare's Thibault Meunier wrote
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
A Professional Development Guide to Cisco Collaboration Solutions
The Cisco 700-805 certification is a specialised certification focused on collaboration technologies and enterprise communication solutions. Modern organisation
Security Infrastructure that Protects Users and Treasury
Medium · AI 🔐 Cybersecurity ⚡ AI Lesson 2mo ago
Security Infrastructure that Protects Users and Treasury
Security defines how systems operate, scale, and sustain trust over time. At Finanx AI, protection of capital, data, and infrastructure is… Continue reading on
19 January 2038: The Silent Timestamp Failure That Could Break Legacy Systems
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 2mo ago
19 January 2038: The Silent Timestamp Failure That Could Break Legacy Systems
Most developers worry about scalability, performance, and security. Continue reading on Medium »
A Killer CTF Mechanic: Protocol Rotation
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 2mo ago
A Killer CTF Mechanic: Protocol Rotation
Using a Defensive Methodology Continue reading on Medium »
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 2mo ago
The Travel Scammer's Playbook: How to Protect Your Data Abroad
The Travel Scammer's Playbook: How to Protect Your Data Abroad Quick Answer (TL;DR) Always use a reputable Virtual Private Network (VPN) on public Wi-Fi to encr
The $442 Billion Siege: Why Your Banking App Is the Most Dangerous App on Your Phone
Medium · AI 🔐 Cybersecurity ⚡ AI Lesson 2mo ago
The $442 Billion Siege: Why Your Banking App Is the Most Dangerous App on Your Phone
A silent war is already underway Continue reading on Medium »
usefulness of Ipv4
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 2mo ago
usefulness of Ipv4
IPv4 has been around for decades, and here are some of its advantages: -: IPv4 is widely supported by devices, networks, and applications… Continue reading on M
The Future of Connectivity: Why Precision Fiber Testing is Non-Negotiable
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 2mo ago
The Future of Connectivity: Why Precision Fiber Testing is Non-Negotiable
Continue reading on Medium »
AI Just Made Kernel Zero-Days Cheap. Your Patch Process Is Not Ready.
Medium · AI 🔐 Cybersecurity ⚡ AI Lesson 2mo ago
AI Just Made Kernel Zero-Days Cheap. Your Patch Process Is Not Ready.
Theori’s AI tool found a 9-year-old root-escalation bug in the Linux kernel in about an hour. Continue reading on That Infrastructure Guy »
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 2mo ago
The Silent Backdoor in Enterprise Security: Why Unmanaged OAuth Tokens Are the New High-Risk Vector
The rapid adoption of AI productivity tools is exposing a dangerous blind spot in enterprise security architecture. Organizations invest heavily in firewalls, S
Local Code Execution via Git Workspace Poisoning (FSMonitor)
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 2mo ago
Local Code Execution via Git Workspace Poisoning (FSMonitor)
Why blindly unzipping code into your IDE might be more dangerous than you think. Continue reading on Medium »
7 Bug Bounty Mistakes That Cost Me Real Money
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 2mo ago
7 Bug Bounty Mistakes That Cost Me Real Money
Lessons you only learn after missing payouts Continue reading on Medium »
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 2mo ago
Before You Send Logs to Gemini — Strip the PII First
All tests run on an 8-year-old MacBook Air. Android logs contain more than stack traces. User IDs. Email addresses. IP addresses. Phone numbers. Auth tokens tha
The Swiss Chip in Russia’s Stealth Drone: How a $47 STMicroelectronics Controller Blew Open the…
Medium · AI 🔐 Cybersecurity ⚡ AI Lesson 2mo ago
The Swiss Chip in Russia’s Stealth Drone: How a $47 STMicroelectronics Controller Blew Open the…
A forensic autopsy of the October 2024 S-70 Okhotnik-B wreckage, the Western silicon inside it, and why Russia’s drone dominance was a… Continue reading on Medi
Why Developers Are Leaving GitHub in 2026!
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 2mo ago
Why Developers Are Leaving GitHub in 2026!
Trust is officially dead with AI hallucinations, broken merge queues and constant outages. Continue reading on JavaScript in Plain English »
One Missing WHERE Clause Leaked Another Client’s Data
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 2mo ago
One Missing WHERE Clause Leaked Another Client’s Data
We discovered the bug on a Tuesday afternoon through a support ticket. Continue reading on Medium »
He Verified Someone Else’s Email on Instagram — and Meta Paid $5,000
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 2mo ago
He Verified Someone Else’s Email on Instagram — and Meta Paid $5,000
What if someone could verify your email on Instagram… without ever accessing it? Continue reading on OSINT Team »
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 2mo ago
Slopsquatting in Python: What 205,474 Hallucinated Package Names Mean for Your Supply Chain
Your AI coding assistant wrote this line: from huggingface_cli import login It looks fine. It looks like something that should exist. You run pip install huggin
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 2mo ago
Your Phone Unlocked. That Doesn't Prove Who Used It.
The hardware reality of facial comparison thresholds For developers building verification workflows, the "black box" of device-level biometrics is getting small
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 2mo ago
MCP Action Chaining: The Attack Your Permissions Can't See
ExtraHop called it "the mother of all supply chain attacks." Trend Micro documented MCP servers used as pivot points for full cloud account compromise, with exp
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 2mo ago
Asaaju Peter Raises Alarm Over Poor Cybersecurity Culture in Nigerian Tech Companies as Data Breaches Continue to Rise
Nigerian technology entrepreneur and digital media publisher Asaaju Peter has spoken out on one of the most overlooked threats facing the country’s growing tech
Building a Secure Developer Portfolio with TOR Hidden Services and .onion Domains
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 2mo ago
Building a Secure Developer Portfolio with TOR Hidden Services and .onion Domains
Learn how to create a privacy focused portfolio using TOR hidden services and .onion domains to showcase your technical skills, strengthen… Continue reading on
The 2026 Cybersecurity Roadmap (Part 2): L1 — Where You Stop Learning and Start Working
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 2mo ago
The 2026 Cybersecurity Roadmap (Part 2): L1 — Where You Stop Learning and Start Working
Breaking into IT with your first real role: Computer Support Specialist — the job that teaches you more than any course ever will Continue reading on Medium »
The Office Receptionist That Runs the Internet: Proxies Explained Simply
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 2mo ago
The Office Receptionist That Runs the Internet: Proxies Explained Simply
You’ve heard the word “proxy” a hundred times. Here’s what it actually means and why it matters more than you think. Continue reading on Medium »
How To Handle Secrets ?
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 2mo ago
How To Handle Secrets ?
A senior engineer’s guide to handling .env files, API keys & credentials , from hobby to enterprise Continue reading on Medium »
I Built a Tool That Detects DDoS Attacks in Real Time — Here’s Exactly How It Works
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 2mo ago
I Built a Tool That Detects DDoS Attacks in Real Time — Here’s Exactly How It Works
The alert arrives at 2:47 AM. Continue reading on Medium »