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 (11,051) Articles (5476)Blog Posts (4298)Tutorials (402)Research Papers (34)News (841)
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1w 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 1w 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 1w 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 1w 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 1w 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 1w 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 1w 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 1w 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 1w 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 1w 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 1w 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 1w 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 1w 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 1w 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 1w 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 1w 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 1w 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 1w 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 1w 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 1w 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 1w 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 1w 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 1w 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 1w 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 1w 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 1w 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 1w 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 1w 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 1w 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 1w 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...
Introducing Siyarix v1.0.0 — An Open-Source AI-Powered Cybersecurity Orchestration Framework
Dev.to · MD MUFTHAKHERUL ISLAM MIRAZ 🔐 Cybersecurity ⚡ AI Lesson 1w ago
Introducing Siyarix v1.0.0 — An Open-Source AI-Powered Cybersecurity Orchestration Framework
Today I'm excited to announce the first stable release of Siyarix (v1.0.0)! Siyarix is an...
I Popped Admin on a SaaS Platform in 2 HTTP Requests — Here’s the Whole Kill Chain
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 1w ago
I Popped Admin on a SaaS Platform in 2 HTTP Requests — Here’s the Whole Kill Chain
Free account → full data breach → 1,630 private documents → CEO account takeover. All before my coffee got cold. Continue reading on Medium »
I Popped Admin on a SaaS Platform in 2 HTTP Requests — Here’s the Whole Kill Chain
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1w ago
I Popped Admin on a SaaS Platform in 2 HTTP Requests — Here’s the Whole Kill Chain
Free account → full data breach → 1,630 private documents → CEO account takeover. All before my coffee got cold. Continue reading on Medium »
Inside the Command, Control, and Exploitation of North Korea’s Disguised IT Workforce
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1w ago
Inside the Command, Control, and Exploitation of North Korea’s Disguised IT Workforce
The Digital Assembly Line Continue reading on Medium »
FBI says Russian intelligence hackers have a new trick for reading your Signal messages, and it works even after you change phones
The Next Web AI 🔐 Cybersecurity ⚡ AI Lesson 1w ago
FBI says Russian intelligence hackers have a new trick for reading your Signal messages, and it works even after you change phones
The FBI and CISA have warned that Russian intelligence hackers are now targeting Signal users’ backup recovery keys, an escalation of a phishing campaign that h
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1w ago
I jailbroke a robot’s brain with one sentence. Then I open-sourced the tool.
Last week I gave a robot policy one extra sentence. It dropped its real task and did what I told it instead. Same setup without the… Continue reading on Medium
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1w ago
This Is Quietly Breaking SOC Workflows
Something is starting to crack inside a lot of security teams right now. Continue reading on Medium »
Your Source Is Clean. Your Binary Isn’t.
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1w ago
Your Source Is Clean. Your Binary Isn’t.
What if your code passed review, your git history was spotless, and your SAST scan was green — and the binary you shipped was still… Continue reading on Medium
Detecting Supply-Chain Malware Without Running the Code
Dev.to · Pavel Espitia 🔐 Cybersecurity ⚡ AI Lesson 1w ago
Detecting Supply-Chain Malware Without Running the Code
After I got targeted by a fake-job-interview repo designed to steal my keys, I built a scanner that...
Stop Pasting Your JWT Tokens Into Random Websites
Dev.to · bore.ddev 🔐 Cybersecurity ⚡ AI Lesson 1w ago
Stop Pasting Your JWT Tokens Into Random Websites
I built a 21-tool developer toolkit that runs entirely in your browser. No servers. No sign-ups. No...
Kerberos Authentication
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1w ago
Kerberos Authentication
Understanding Kerberos Authentication: Mechanisms, Tickets, and Key Concepts Continue reading on Medium »
Falsifiable Security: The Forward Case for Chaos Engineering in Cyber Defense
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1w ago
Falsifiable Security: The Forward Case for Chaos Engineering in Cyber Defense
Chaos engineering was born at Netflix as a way to prove that distributed systems could survive failure, and it is now being adapted to… Continue reading on Medi
IBM and OpenAI Just Changed Enterprise Cybersecurity Forever
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1w ago
IBM and OpenAI Just Changed Enterprise Cybersecurity Forever
After studying enterprise security trends, I realized AI is no longer just helping developers — it is becoming part of the security team. Continue reading on Me
WordPress Security: Protecting More Than Just a Website
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1w ago
WordPress Security: Protecting More Than Just a Website
A few months ago, I was contacted by a small business owner whose WordPress site had been hacked. Continue reading on Medium »
Browser Security Model: The Defensive Walls Every Hacker Knows (And Every Developer Should Too)
Dev.to · Arashad Dodhiya 🔐 Cybersecurity ⚡ AI Lesson 1w ago
Browser Security Model: The Defensive Walls Every Hacker Knows (And Every Developer Should Too)
"To defend a system, you must first think like the attacker." I'll tell you this: the browser is...
The Report Was Good. That’s What Made the Gap Interesting.
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1w ago
The Report Was Good. That’s What Made the Gap Interesting.
What a broken deployment, an unauthenticated SAP endpoint, and a footnote taught me about what assessment delivery actually requires. Continue reading on Cyber
Vulnerability Assessment
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1w ago
Vulnerability Assessment
Firstly, lets figure out what vulnerability is. Basically A vulnerability in cybersecurity is a weakness or flaw in a system, application… Continue reading on M
How Hacker Gets Initial Access
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1w ago
How Hacker Gets Initial Access
What is Initial Access? Continue reading on Medium »