Tech Skills

Cybersecurity

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

18,044
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 (11,133) Articles (5532)Blog Posts (4310)Tutorials (414)Research Papers (34)News (843)
I'm Building a Code Security Analyzer. A Security Tool Found a Critical In It.
Dev.to · Stanislav Kremeň 🔐 Cybersecurity ⚡ AI Lesson 2w ago
I'm Building a Code Security Analyzer. A Security Tool Found a Critical In It.
I'm building a tool that's supposed to help check code. I call it vibeanalyzer for now. The idea is...
Reddit r/cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Mailing list for cves on random products I use?
Is there any way to basucally add a list of relatively obscure software (eg browser extensions) and be informed if a cve is exposed? I have a few browser extens
🚨 One Click, No Typing: How SearchLeak Weaponized Microsoft 365 Copilot
Dev.to · Alessandro Pignati 🔐 Cybersecurity ⚡ AI Lesson 2w ago
🚨 One Click, No Typing: How SearchLeak Weaponized Microsoft 365 Copilot
Imagine this: You receive a link to a document on a trusted microsoft.com domain. You click it, the...
Using Football Passwords Is A Huge Own Goal
Forbes Innovation 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Using Football Passwords Is A Huge Own Goal
Passwords containing football player or club names can be cracked in milliseconds, warn security researchers.
[Boost]
Dev.to · Patpum Hakaew 🔐 Cybersecurity ⚡ AI Lesson 2w ago
[Boost]
NAT Traversal: How It Works ...
Reddit r/cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
ShapedPlugin supply-chain attack backdoored Pro plugin updates, stealing credentials and 2FA secrets
Attackers backdoored ShapedPlugin Pro updates, deploying malware that steals credentials, 2FA secrets, and grants full site access. https://securityaffairs.com/
Reddit r/cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
BBC News: How 100 hospitals switched to pen and paper to defeat a national cyber-attack. New 10 min youtube doc about the massive hack that Romania coped with surprisingly well:
https://www.youtube.com/watch?v=WxY6aLRVgcI&t=204s submitted by /u/tides977 [link] <a href="https://www.reddit.com/r/cybersecurity/comments/1udc9ss/bbc_news
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Healthcare Data Security Under Pressure as Xsolis Breach Impacts 1.4 Million Individuals
The healthcare sector continues to face growing cybersecurity challenges as another large-scale data breach highlights the risks… Continue reading on Medium »
Intent Doesn’t Lie. How TIKOS® Stopped Every Prompt Injection
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Intent Doesn’t Lie. How TIKOS® Stopped Every Prompt Injection
How TIKOS® Stopped Every Prompt Injection In A Critical System Analysing LLM Internals. Continue reading on Tikos Tech »
Why Weak Passwords Still Win: Lessons from a Hydra Brute-Force Exercise
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Why Weak Passwords Still Win: Lessons from a Hydra Brute-Force Exercise
Cybersecurity is one of those fields where reading about attacks and actually performing them in a controlled environment are two… Continue reading on Medium »
The Hackers Hiding Their Commands in the Internet’s Phone Book
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
The Hackers Hiding Their Commands in the Internet’s Phone Book
A new backdoor called Dohdoor doesn’t connect to a suspicious server. Continue reading on Medium »
How to get a VPN free trial: Test risk-free before you buy
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
How to get a VPN free trial: Test risk-free before you buy
Want to test a VPN before paying? Learn how to get a free VPN trial, what to look for, and which providers offer the best free trials. Continue reading on Mediu
Who Caught Whom?
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Who Caught Whom?
On the morning of one of the blessed Fridays, I received a high-severity alert on the SIEM (Security Information and Event Management)… Continue reading on Medi
Tata Electronics breach claims to expose Apple and Tesla trade secrets
The Next Web AI 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Tata Electronics breach claims to expose Apple and Tesla trade secrets
A ransomware group says it lifted more than 630 gigabytes from the Indian manufacturer, including purported design files belonging to two of its biggest custome
Reddit r/cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Are open source EDRs any good?
Asking as a freelancer looking to offer monitoring services to clients. One of the things I want to do is be able to offer clients an EDR solution so I can moni
Meta pauses its employee mouse-tracking program over data-security fears
The Next Web AI 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Meta pauses its employee mouse-tracking program over data-security fears
The Model Capability Initiative, which logs mouse movements and keystrokes to train Meta’s AI, is on hold after sensitive staff data was left accessible to the
How to prepare a PCAP for vendor support without leaking the whole capture
Dev.to · 宛涵 🔐 Cybersecurity ⚡ AI Lesson 2w ago
How to prepare a PCAP for vendor support without leaking the whole capture
Packet captures are useful because they are specific. They are risky for the same reason. A raw PCAP...
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
From Isolated Indicators to Campaign-Level Scam Intelligence
Most scam response still begins with isolated indicators: a suspicious URL, a phone number, a fake profile, a screenshot, a… Continue reading on Medium »
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Top 10 Cybersecurity Best Practices Every Company Should Follow
Meta Title: Top 10 Cybersecurity Best Practices Every Company Should Follow Continue reading on Medium »
Build a Tiny Container Without Docker: Understanding Containers From First Principles (P3)
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Build a Tiny Container Without Docker: Understanding Containers From First Principles (P3)
A beginner-friendly but deep dive into building a mini Linux container using namespaces + cgroups Continue reading on Medium »
Are SQL Injection Vulnerabilities Absolete ?
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Are SQL Injection Vulnerabilities Absolete ?
SQL injection are genuinely one of those vulnerabilities that people keep predicting will die out — and it keeps refusing to. Bug bounty… Continue reading on Me
Goodbye Crypto: Discover the Most Painful Cases of Lost Private Keys
Hackernoon 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Goodbye Crypto: Discover the Most Painful Cases of Lost Private Keys
Lost hard drives, forgotten passwords, fires, and secrets gone forever. These real crypto stories show how fortunes vanish. Take a look before it happens to you
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 2w ago
NOID
NOID allows you to exist online as thousands of unrelated identities, making surfing completely safe. Furthermore, it is free of all the tracking tools found in
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Beyond the Quantum Horizon: How I Built a Live ML-KEM Visualizer with Node.js
Think quantum-proofing your applications requires a Ph.D. in advanced lattice mathematics? Think again. Continue reading on Medium »
I Looked at My LinkedIn Profile Like a Hacker. What I Found Scared Me.
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
I Looked at My LinkedIn Profile Like a Hacker. What I Found Scared Me.
You spent hours perfecting your LinkedIn profile. So did the attacker who’s planning to use it against you. Continue reading on Medium »
MobileHackingLabs — Document Viewer writeup
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
MobileHackingLabs — Document Viewer writeup
This one was honestly very engaging. It was the most technically involving lab involving using a path traversal vulnerability to override… Continue reading on M
ArXiv cs.AI 🔐 Cybersecurity 📄 Paper ⚡ AI Lesson 2w ago
From CVE to CWE: Syscall-Based HIDS Generalisation
arXiv:2606.22581v1 Announce Type: cross Abstract: Host intrusion detection systems (HIDS) based on system-call traces are typically trained and evaluated agains
ArXiv cs.AI 🔐 Cybersecurity 📄 Paper ⚡ AI Lesson 2w ago
ARVO: Atlas of Reproducible Vulnerabilities for Open-Source Software
arXiv:2408.02153v2 Announce Type: replace-cross Abstract: Achieving reproducibility, quantity, and diversity in vulnerability datasets has long been viewed as a
ArXiv cs.AI 🔐 Cybersecurity 📄 Paper ⚡ AI Lesson 2w ago
AXE: Grey-Box Exploitability Confirmation for Localized Vulnerability Reports
arXiv:2602.14345v2 Announce Type: replace-cross Abstract: Vulnerability detection tools are widely adopted in software projects, yet they often overwhelm mainta
We Scanned 10 Shopify Agency Websites. Here Is What We Found.
Dev.to · Guardr 🔐 Cybersecurity ⚡ AI Lesson 2w ago
We Scanned 10 Shopify Agency Websites. Here Is What We Found.
Last night I ran external security scans on the public websites of 10 leading Shopify and...
The Silent Ledger Leak: Measuring Causality Violations in Async Payment Pipelines
Dev.to · yakuburoseline1-gif 🔐 Cybersecurity ⚡ AI Lesson 2w ago
The Silent Ledger Leak: Measuring Causality Violations in Async Payment Pipelines
I spent the last few months trying to understand why reconciliation errors keep appearing in...
Reddit r/devops 🔐 Cybersecurity ⚡ AI Lesson 2w ago
I'm looking for AWS Security Trainings
Which one would you recommend? My boss told us last month we can get a professor led training. The virtual doesn't work for me as I am always pulled into debugg
I Almost Hashed a Document Number That Needed to Be Read Again
Dev.to · Ravi Gupta 🔐 Cybersecurity ⚡ AI Lesson 2w ago
I Almost Hashed a Document Number That Needed to Be Read Again
What building KYC verification taught me about the difference between encryption and hashing - and...
The Predatory Use of CAPTCHA Fraud
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
The Predatory Use of CAPTCHA Fraud
A guide to recognizing fake verification methods and practical steps for securing your device Continue reading on IT Chronicles »
Nonce Design for Safety-Critical Systems: Lessons from a Post-Quantum MAVLink Protocol
Dev.to · Cleiton Augusto 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Nonce Design for Safety-Critical Systems: Lessons from a Post-Quantum MAVLink Protocol
Replay attacks on drone command links are not theoretical. A ground station sends ARM at timestamp T....
User ID Controlled By Request Parameter With Data Leakage In Redirect
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
User ID Controlled By Request Parameter With Data Leakage In Redirect
Access Control Vulnerabilities — APPRENTICE Continue reading on Medium »
Day 42: You Don’t Need Any Other Linux Firewall Tutorial After This
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Day 42: You Don’t Need Any Other Linux Firewall Tutorial After This
Learn Firewalls in Linux from Scratch with iptables, firewalld, UFW, nftables, and More Continue reading on Medium »
Cloud Security Lab Write-Up: SNS Secrets (CloudGoat Scenario)
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Cloud Security Lab Write-Up: SNS Secrets (CloudGoat Scenario)
I recently completed the CloudGoat sns_secrets scenario, a deliberately vulnerable AWS environment designed to simulate real-world cloud… Continue reading on Me
What Your GitHub Tells Me Before Your Interview Starts
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
What Your GitHub Tells Me Before Your Interview Starts
There is a link on a lot of cybersecurity resumes that nobody thinks twice about. A GitHub link, sitting right under the name, added… Continue reading on Medium
IOS Bypass Root detection in 1.3.10 safe_device package
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
IOS Bypass Root detection in 1.3.10 safe_device package
In this article, we will explore how the following package works: Continue reading on Medium »
How long would it take to crack your password? The answer is usually "not long enough"
Dev.to · Toop Tools 🔐 Cybersecurity ⚡ AI Lesson 2w ago
How long would it take to crack your password? The answer is usually "not long enough"
Think of your most-used password. Got it? Now here's an uncomfortable question: if it leaked...
Sniff out stale AI override advice with this open source CLI
The Register 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Sniff out stale AI override advice with this open source CLI
Package dependencies can create vulnerabilities that are fiendishly hard to find and stamp out
TechCrunch AI 🔐 Cybersecurity ⚡ AI Lesson 2w ago
OpenAI launches new initiative to help find and patch open-source bugs
OpenAI is attempting to tackle the security issues of the open source software community.
I built a live secret scanner for VS Code (and why CI scanning is too late)
Dev.to · thunderbird 🔐 Cybersecurity ⚡ AI Lesson 2w ago
I built a live secret scanner for VS Code (and why CI scanning is too late)
We've all done it: pasted an API key into a file "just to test," then a week later it's in your git...
Reddit r/MachineLearning 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Non-deterministic Vulnerability Detection Benchmark System [P]
I work in firmware adjacent to AI, so not an ML guy exactly, so that's why I've come here. For work we got a bit concerned about Mythos and all the hype made me
Threat, vulnerability, and risk are not synonyms, and Security+ will punish you for treating them like they are
Dev.to · TiltedLunar123 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Threat, vulnerability, and risk are not synonyms, and Security+ will punish you for treating them like they are
Plenty of people walk into the SY0-701 exam able to recite the definitions of threat, vulnerability,...
Detecting brand impersonation in Spanish SMS — the position trick
Dev.to · Mediavox 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Detecting brand impersonation in Spanish SMS — the position trick
Detecting brand impersonation in Spanish SMS — the position trick Phishing in Latin...
WordPress Plugin Security in 2026: The AI Reality
Medium · LLM 🔐 Cybersecurity ⚡ AI Lesson 2w ago
WordPress Plugin Security in 2026: The AI Reality
Vibe-coded plugins, a 5-hour mass-exploitation window, 52% of devs patching too late. What a solo WordPress plugin author changed in 2026. Continue reading on M