Tech Skills

Cybersecurity

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

17,781
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 (10,877) Articles (5383)Blog Posts (4247)Tutorials (376)Research Papers (34)News (837)
Building My First Microsoft Sentinel SOC Lab in Azure
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Building My First Microsoft Sentinel SOC Lab in Azure
I recently built my first Microsoft Sentinel SOC lab in Azure to gain practical experience with SIEM deployment, log onboarding, and… Continue reading on Medium
GlobalFlow SCM CTF Lab
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
GlobalFlow SCM CTF Lab
This lab was created by HIVE CONSULT to simulate security weaknesses commonly found in Supply Chain Management platforms. The environment… Continue reading on M
The New Digital Security Mindset: Speed, Trust and Resilience
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
The New Digital Security Mindset: Speed, Trust and Resilience
Digital security is often discussed through tools: firewalls, monitoring systems, access controls and software updates. They all have a… Continue reading on Med
️ Network Scanning Masterclass: A Complete Guide to Recon, Port Scanning & Vulnerability…
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
️ Network Scanning Masterclass: A Complete Guide to Recon, Port Scanning & Vulnerability…
A field guide to how bug bounty hunters and penetration testers map an attack surface — from finding an organization’s ASN all the way to… Continue reading on S
OpenAI Tenant Spoofing: Social Engineering Enterprise Security Teams
Dev.to · Satyam Rastogi 🔐 Cybersecurity ⚡ AI Lesson 4d ago
OpenAI Tenant Spoofing: Social Engineering Enterprise Security Teams
Attackers create fake OpenAI organization tenants impersonating legitimate companies, then invite employees to collaborate. The attack exploits trust
Why Prime 37 GRC Masterclasses Are Preparing Professionals for the Future of Cybersecurity and AI…
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Why Prime 37 GRC Masterclasses Are Preparing Professionals for the Future of Cybersecurity and AI…
The world of Governance, Risk, and Compliance (GRC) is changing faster than ever. Continue reading on Medium »
Before You Attack Active Directory: Read This First(Pentester’s Foundation Guide)
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Before You Attack Active Directory: Read This First(Pentester’s Foundation Guide)
Most pentesters jump straight into BloodHound and Impacket. Here’s the foundation they’re missing , explained with a school analogy that… Continue reading on In
Understanding Cybersecurity Risk Through Everyday Examples
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Understanding Cybersecurity Risk Through Everyday Examples
“Risk isn’t about predicting the future. It’s about preparing for the possibilities.” Continue reading on Medium »
Running Scheduled Virus Scans with Microsoft Defender Antivirus Pt-2
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Running Scheduled Virus Scans with Microsoft Defender Antivirus Pt-2
A practical guide to using Windows Server Group Policy to centrally configure and deploy scheduled Microsoft Defender Antivirus scans… Continue reading on Mediu
Grab Your Red Hat Certification This Summer While You Still Can
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Grab Your Red Hat Certification This Summer While You Still Can
The demand for Linux administrators, cloud engineers, DevOps professionals, and container platform specialists continues to rise across… Continue reading on Med
Building OmniGuard: Engineering an Enterprise-Grade Command & Control System from Scratch
Medium · Python 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Building OmniGuard: Engineering an Enterprise-Grade Command & Control System from Scratch
How we bypassed Windows Defender, utilized native Win32 APIs, and built a Zero-Trust endpoint monitoring system in Python. Continue reading on Medium »
What Really Happens When You Press Ctrl + Alt + Delete?
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
What Really Happens When You Press Ctrl + Alt + Delete?
The answer led me from a Windows security feature to a real-world MITRE ATT&CK persistence technique “T1547.004” Continue reading on Medium »
How a Flawed CORS Policy on an API Gateway Led to a $13,000 Private Token Leak
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
How a Flawed CORS Policy on an API Gateway Led to a $13,000 Private Token Leak
Cross-Origin Resource Sharing (CORS) is a browser security mechanism designed to break down the strict walls of the Same-Origin Policy… Continue reading on Medi
PDF Font Subset Divergence: Forensic Tampering Detection
Dev.to · Iurii Rogulia 🔐 Cybersecurity ⚡ AI Lesson 4d ago
PDF Font Subset Divergence: Forensic Tampering Detection
PDF font subset divergence reveals page-assembly fraud without the original file. Learn how font forensics detects tampering in multi-page documents —…
Why your Cloudflare Turnstile token works in the browser but 403s from requests
Dev.to · Bassem Shahin 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Why your Cloudflare Turnstile token works in the browser but 403s from requests
A Turnstile token that validates in the browser gets a 403 when replayed from Python requests. The real causes — single-use TTL, sitekey/URL binding, managed-ch
Fuzzing Techniques for Vulnerability Discovery
Dev.to · Aviral Srivastava 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Fuzzing Techniques for Vulnerability Discovery
Unleash the Fuzz Monster: How to Hunt Down Bugs Before the Bad Guys Do! Ever wondered how...
Reddit r/cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Do you find your job meaningful?
To me cybersecurity seems to be one of the very few CS domains which really allow you to do some truly meaningful work and positively contribute to society. Is
Stuxnet: The Worm That Changed Warfare
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Stuxnet: The Worm That Changed Warfare
Stuxnet would be responsible for letting the cyber-weapon cat out of the bag. Continue reading on HackTrace »
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Introducing to Heap Overflow: tcache metadata hijacking
What Is the Difference Between tcache_house_of_spirit and tcache_metadata_hijacking? Both techniques are heap exploitation primitives, but… Continue reading on
Why I Stopped Renting My Operating System
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Why I Stopped Renting My Operating System
The hidden cost of “user-friendly” tech, and what happens when you finally claim root access to your digital life. Continue reading on Medium »
The Open Source Security Reset
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
The Open Source Security Reset
Finding bugs is becoming cheap. The scarce work in open source security is proving that fixes survive review and reach production. Continue reading on AISecHub
A Suspicious Process Creation Alert Pops Up… What Should You Do Next?
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
A Suspicious Process Creation Alert Pops Up… What Should You Do Next?
Process creation is one of the most important and critical events to monitor on any operating system. Continue reading on Medium »
Why Learning C Still Matters for Cybersecurity in 2026
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Why Learning C Still Matters for Cybersecurity in 2026
Python helps you automate tasks. C helps you understand the machine. Discover why C remains one of the most valuable languages for… Continue reading on Medium »
Securing Apps: Password Hashing, RBAC, OAuth, and OpenID Connect
Dev.to · Akash Kumar 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Securing Apps: Password Hashing, RBAC, OAuth, and OpenID Connect
"Security isn't a feature you add at the end. It's the foundation you build everything else on top...
I Built a Browser-Only HTTP Header Analyzer — Security Scoring, Missing Header Warnings, 147 Tests
Dev.to · Dev Nestio 🔐 Cybersecurity ⚡ AI Lesson 4d ago
I Built a Browser-Only HTTP Header Analyzer — Security Scoring, Missing Header Warnings, 147 Tests
Every web developer has had this moment: you check your app's response headers, see a wall of...
The Good, the Bad and the Ugly in Cybersecurity – Week 26
Dev.to · Mark0 🔐 Cybersecurity ⚡ AI Lesson 4d ago
The Good, the Bad and the Ugly in Cybersecurity – Week 26
Global law enforcement operations, including Operation Endgame, have successfully dismantled...
SMB cyber readiness: the road to resilience starts here
Dev.to · Mark0 🔐 Cybersecurity ⚡ AI Lesson 4d ago
SMB cyber readiness: the road to resilience starts here
Small and Medium Businesses (SMBs) represent a significant portion of the global economy, yet they...
Inside the 2026 SMB threat landscape: From phishing and scams to fake AI tools
Dev.to · Mark0 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Inside the 2026 SMB threat landscape: From phishing and scams to fake AI tools
⚠️ Region Alert: UAE/Middle East Small and medium-sized businesses (SMBs) are increasingly becoming...
CL-STA-1062 Targets Southeast Asian Governments and Critical Infrastructure
Dev.to · Mark0 🔐 Cybersecurity ⚡ AI Lesson 4d ago
CL-STA-1062 Targets Southeast Asian Governments and Critical Infrastructure
This report details the persistent activities of CL-STA-1062, a Chinese-speaking threat actor group...
Beyond IOCs: AI-enabled threat intelligence
Dev.to · Mark0 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Beyond IOCs: AI-enabled threat intelligence
AI's role in cybersecurity is multifaceted, moving beyond a simple good-or-bad dilemma. While it...
New DirtyClone Linux Kernel Flaw Lets Local Users Gain Root via Cloned Packets
Dev.to · Mark0 🔐 Cybersecurity ⚡ AI Lesson 4d ago
New DirtyClone Linux Kernel Flaw Lets Local Users Gain Root via Cloned Packets
DirtyClone (CVE-2026-43503) is a critical Linux kernel privilege escalation vulnerability belonging...
Client-Side Attack Surface: Everything Inside the Browser Is a Weapon(part-2)
Dev.to · Arashad Dodhiya 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Client-Side Attack Surface: Everything Inside the Browser Is a Weapon(part-2)
"The browser isn't just a viewport. It's an operating system. And like every OS, every feature is an...
Someone dumped 20 zero-days on open source tools with no warning. The fuzzing was run by AI.
Dev.to · Md Jamilur Rahman 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Someone dumped 20 zero-days on open source tools with no warning. The fuzzing was run by AI.
Last week an anonymous GitHub account called bikini pushed a repository named exploitarium and, in...
The CompTIA concepts people keep confusing (and how to actually tell them apart)
Dev.to · Leon Odor 🔐 Cybersecurity ⚡ AI Lesson 4d ago
The CompTIA concepts people keep confusing (and how to actually tell them apart)
Most wrong answers on Security+ and Network+ aren't knowledge gaps. You read the objective, you...
Polymarket Hack: How Third-Party Vendors Risk Your Crypto
Dev.to · Newzlet 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Polymarket Hack: How Third-Party Vendors Risk Your Crypto
What We Know: The Basics of the Breach Polymarket, one of the largest prediction market...
Air-gapped code review with Ollama: when the diff never leaves the machine
Dev.to · Muhammet ŞAFAK 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Air-gapped code review with Ollama: when the diff never leaves the machine
The previous post was about scanning your diff for secrets before it leaves your machine. This one is...
Keyless by Default: Securing FarmOps Desk without a Single Static Secret
Dev.to · Jamal Ibrahim Umar 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Keyless by Default: Securing FarmOps Desk without a Single Static Secret
Part of the H0: Hack the Zero Stack submission. See the project on Devpost. Every hackathon...
Almost half the WordPress plugin directory has not been updated in two years
Dev.to · Chris Morris 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Almost half the WordPress plugin directory has not been updated in two years
I indexed the WordPress.org plugin directory and measured how well it is maintained. The headline: of...
Building FoilSuite: A Privacy-First Security Toolkit for Browser and IoT Security
Dev.to · Nikola Pavlović, PhD 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Building FoilSuite: A Privacy-First Security Toolkit for Browser and IoT Security
Most phishing tools still rely on sending your data to the cloud. That means your...
A Rogue Registry in My Own Backyard: Anatomy of a Two-Line Supply Chain Attack
Dev.to · Sebastian Schürmann 🔐 Cybersecurity ⚡ AI Lesson 4d ago
A Rogue Registry in My Own Backyard: Anatomy of a Two-Line Supply Chain Attack
The previous parts of this series were written from a comfortable distance. I read the Trend Micro...
Cloudflare Patches Critical CVE Vulnerability Across All Servers Within Two Days of Disclosure
Dev.to · Ksenia Rudneva 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Cloudflare Patches Critical CVE Vulnerability Across All Servers Within Two Days of Disclosure
Introduction Cloudflare, a global leader in internet security and content delivery,...
Reddit r/cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 4d ago
It's looking like a hot, messy summer for security teams as AI finds countless previously hidden vulns
More holes, more patches. https://www.theregister.com/security/2026/06/27/its-looking-like-a-hot-messy-summer-for-security-teams-as-ai-finds-countless-previousl
Undisclosed 0-Days, OpenZL for Zero-Trust, and Reddit's Anti-Spam Architecture
Dev.to · soy 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Undisclosed 0-Days, OpenZL for Zero-Trust, and Reddit's Anti-Spam Architecture
Undisclosed 0-Days, OpenZL for Zero-Trust, and Reddit's Anti-Spam Architecture ...
Tune spam detection for your agent mailbox
Dev.to · Qasim 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Tune spam detection for your agent mailbox
Dial DNSBL checks, header-anomaly detection, and spam sensitivity on an Agent Account policy — so filtering fits each class of agent instead of one global defau
Email Verification Link Leading to Forced Account Takeover
Dev.to · Bijan 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Email Verification Link Leading to Forced Account Takeover
What if clicking a completely legitimate verification link from a trusted domain could silently log...
The Checkout Intercept: How Cybercriminals Steal Your Card Data Without Touching Your Phone
Dev.to · carlos lopez 🔐 Cybersecurity ⚡ AI Lesson 5d ago
The Checkout Intercept: How Cybercriminals Steal Your Card Data Without Touching Your Phone
The padlock icon in your browser's address bar does not mean your card is safe. That's the assumption...
I Tried to Hack My Own Hackathon Project. It Took Ten Minutes
Dev.to · Aditya Chooramani 🔐 Cybersecurity ⚡ AI Lesson 5d ago
I Tried to Hack My Own Hackathon Project. It Took Ten Minutes
Back in February I helped build a thing called Sentinel Eye for the HyperSpace Innovation...
Authentication vs Authorization in Cloud Security: Understanding the Difference 🔥
Dev.to · Ria saraswat 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Authentication vs Authorization in Cloud Security: Understanding the Difference 🔥
When we use applications like Gmail, Netflix, or online banking, we rarely think about the security...