Tech Skills

Cybersecurity

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

18,752
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 (11,837) Articles (5942)Blog Posts (4560)Tutorials (433)Research Papers (37)News (865)
Storing User Credentials Safely in Flutter: Secure Storage, Encryption, and Best Practices
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Storing User Credentials Safely in Flutter: Secure Storage, Encryption, and Best Practices
Your authentication system can be perfectly designed, your API can be highly secure, and your backend can follow every security standard —… Continue reading on
The Corix Partners Friday Reading List — June 26, 2026
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
The Corix Partners Friday Reading List — June 26, 2026
Top 10 Leadership and Management links of the week, curated by Corix Partners Founder and CEO JC Gaillard, focusing on cyber security of… Continue reading on Th
Cybersecurity
Medium · Data Science 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Cybersecurity
In today’s digital era, cybersecurity has become one of the most important aspects of personal and business life. From online banking and… Continue reading on M
Hardening SSH with Fail2ban, and preparing for new alerts in Discord
Medium · DevOps 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Hardening SSH with Fail2ban, and preparing for new alerts in Discord
Every server connected to the Internet gets scanned. Continue reading on Medium »
Your Pip Install Is a Backdoor — Fix This Now!
Medium · Python 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Your Pip Install Is a Backdoor — Fix This Now!
Every Python package you install can run code on your machine. Pin versions, use lockfiles, and stop letting AI agents add random… Continue reading on Pythonic
A Buyer's Guide to PCI DSS 6.4.3 and 11.6.1 Compliance Solutions
Hackernoon 🔐 Cybersecurity ⚡ AI Lesson 2w ago
A Buyer's Guide to PCI DSS 6.4.3 and 11.6.1 Compliance Solutions
Compare some of the main vendors for code-free solutions that meet PCI requirements six and eleven. Discover each vendor's strength, who they are best for, and
Social Media Girls Forum: How It Works and Why It’s Trending
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Social Media Girls Forum: How It Works and Why It’s Trending
The term Social Media Girls Forum is widely searched by users who want to understand what it means, whether it is safe, and what risks are… Continue reading on
ArXiv cs.AI 🔐 Cybersecurity 📄 Paper ⚡ AI Lesson 2w ago
Fortress and Gatekeeper: Theorizing Transitive Trust in Third-Party Cybersecurity Risk Governance
arXiv:2606.26866v1 Announce Type: cross Abstract: Third-party vendors, such as analytics platforms, cloud services, identity providers, and software suppliers,
Permissions Secure the Agent. The Governance Artifact Sits Above Them.
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Permissions Secure the Agent. The Governance Artifact Sits Above Them.
A field dispatch from the Google × ISC2 agent-security session — and the question its best answer never reached. Continue reading on Medium »
Never Log Into AWS as Root Again
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Never Log Into AWS as Root Again
The first thing you build in AWS isn’t an app. It’s the wall between you and a very bad day. Continue reading on Medium »
Digital Footprints: How Much Does the Internet Really Know About You?
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Digital Footprints: How Much Does the Internet Really Know About You?
 Episode 1 — The Stranger Who Knew Too Much Continue reading on Medium »
Batch Downloader — LetsDefend Challenge Walkthrough
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Batch Downloader — LetsDefend Challenge Walkthrough
Note: This is my first time writing a cybersecurity blog. If you notice any mistakes or have suggestions for improvement, I’d love to hear… Continue reading on
Beyond Static IP Databases: Why Real-Time Detection Matters
Dev.to · Husnain Babar 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Beyond Static IP Databases: Why Real-Time Detection Matters
Beyond Static IP Databases: Why Real-Time Detection Matters Legacy IP intelligence APIs...
I Built a Desktop Scanner That Detects Hidden Threats in Python Code
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
I Built a Desktop Scanner That Detects Hidden Threats in Python Code
Invisible Unicode, homoglyphs, hardcoded secrets — and why your eyes won’t catch them Continue reading on Medium »
Building a Centralized Quantum-Secured Encryption Service: A Vision for the Next Generation of…
Medium · Machine Learning 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Building a Centralized Quantum-Secured Encryption Service: A Vision for the Next Generation of…
What if every application in your organization could encrypt and decrypt sensitive data through a single, centralized security platform —… Continue reading on M
CVE-2026-39834: CVE-2026-39834: Infinite Loop and CPU Exhaustion via Integer Truncation in Go SSH Channel Write
Dev.to · CVE Reports 🔐 Cybersecurity ⚡ AI Lesson 2w ago
CVE-2026-39834: CVE-2026-39834: Infinite Loop and CPU Exhaustion via Integer Truncation in Go SSH Channel Write
CVE-2026-39834: Infinite Loop and CPU Exhaustion via Integer Truncation in Go SSH Channel...
Reddit r/webdev 🔐 Cybersecurity ⚡ AI Lesson 2w ago
A couple of domains on my server have started redirecting to spam sites
A couple of websites on my server have started redirecting to strange very spammy sites like https://www2.newsus.app/m.ok/ My domains are: https://gallery.bents
MCP Trust Pack: a security layer for MCP tool calls
Dev.to · Teller 🔐 Cybersecurity ⚡ AI Lesson 2w ago
MCP Trust Pack: a security layer for MCP tool calls
MCP Trust Pack: a security layer for MCP tool calls MCP makes it easy for agents to call...
Cloudbric Mask Image De-identification API Service Launch
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Cloudbric Mask Image De-identification API Service Launch
Hello, this is Penta Security. Continue reading on Medium »
$1,100 Privilege Escalation: Group Leader Can Promote Anyone via Hidden Parameter
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
$1,100 Privilege Escalation: Group Leader Can Promote Anyone via Hidden Parameter
Hi Everyone! This one started as a simple permission check… but turned into a full role manipulation vulnerability inside a SaaS platform… Continue reading on M
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 2w ago
MCP Security: What I Learned Securing My MCP Server After 95 Production Outages
MCP Security: What I Learned Securing My MCP Server After 95 Production Outages When I started building Papers, my MCP knowledge base server three years ago, I
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Why Passwords May Soon Become a Thing of the Past
For decades, passwords have been the primary way we protect our online accounts. From social media and banking apps to email and streaming… Continue reading on
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 2w ago
A one-line cache key bug cost me $187/month and leaked advertiser data across tenants
60% of my $312 Anthropic bill last month came from a single bug: an MCP router cache key that was missing a tenant ID. The fix was literally this: // before con
10 Million-Install Chrome Ad Blocker Hides a Remote Kill Switch for Arbitrary JavaScript
Dev.to · Etairos.ai 🔐 Cybersecurity ⚡ AI Lesson 2w ago
10 Million-Install Chrome Ad Blocker Hides a Remote Kill Switch for Arbitrary JavaScript
TL;DR what: Island researchers found that Adblock for YouTube (ID...
CVE-2026-42508: CVE-2026-42508: Bypass of SSH Certificate Authority Revocation in golang.org/x/crypto/ssh/knownhosts
Dev.to · CVE Reports 🔐 Cybersecurity ⚡ AI Lesson 2w ago
CVE-2026-42508: CVE-2026-42508: Bypass of SSH Certificate Authority Revocation in golang.org/x/crypto/ssh/knownhosts
CVE-2026-42508: Bypass of SSH Certificate Authority Revocation in...
Reddit r/cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Need help
Hi 21 m here fresher should I focus on cybersecurity as an career and how should I begin . Saw an couple of roadmaps on YouTube but did not get an clear underst
CVE-2026-46595: CVE-2026-46595: Critical Authorization Bypass via source-address Validation Failure in golang.org/x/crypto/ssh
Dev.to · CVE Reports 🔐 Cybersecurity ⚡ AI Lesson 2w ago
CVE-2026-46595: CVE-2026-46595: Critical Authorization Bypass via source-address Validation Failure in golang.org/x/crypto/ssh
CVE-2026-46595: Critical Authorization Bypass via source-address Validation Failure in...
Reddit r/cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
What am I dealing with?
I seem to have come across a new virus. A family member was browsing and got snagged by a captcha trick. Basically, it was a "paste this into powershell" situat
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
FAT32 Filesystem Forensics: A Complete DFIR Walkthrough
Here’s the cleaned-up version: Continue reading on Medium »
On Security+, social engineering questions test the principle, not the label
Dev.to · TiltedLunar123 🔐 Cybersecurity ⚡ AI Lesson 2w ago
On Security+, social engineering questions test the principle, not the label
A lot of people walk into the SY0-701 exam ready to define phishing, vishing, smishing, and...
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 2w ago
EXPOSED: The Shocking 'Papers, Please' Internet Crackdown: How Your Online Privacy Will Be Decimated Forever
The Alarming Truth About Online Privacy: How Promphy AI Can Be Your Safeguard The recent "Papers, Please" internet crackdown has sent shockwaves across the glob
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
PortSwigger : DOM XSS in jQuery Selector Sink Using a Hashchange Event
In this lab, the website has a DOM-based XSS vulnerability using a hashchange event. Continue reading on Medium »
CVE-2026-48517: CVE-2026-48517: Remote Code Execution via Typeless Deserialization Blocklist Bypass in MessagePack-CSharp
Dev.to · CVE Reports 🔐 Cybersecurity ⚡ AI Lesson 2w ago
CVE-2026-48517: CVE-2026-48517: Remote Code Execution via Typeless Deserialization Blocklist Bypass in MessagePack-CSharp
CVE-2026-48517: Remote Code Execution via Typeless Deserialization Blocklist Bypass in...
“I Won’t Let Your Future Customers Register” — Hunting an Email Verification Bug Through Recon
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
“I Won’t Let Your Future Customers Register” — Hunting an Email Verification Bug Through Recon
A bug bounty story about how a routine reconnaissance exercise led to discovering an insecure email change workflow. Continue reading on Medium »
Case Study: The world.xyz Scam- How On-Chain Verification Could Have Saved a Community
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Case Study: The world.xyz Scam- How On-Chain Verification Could Have Saved a Community
In the wild west of Web3, scammers are constantly evolving their tactics. This case study dissects a recent phishing attempt targeting the… Continue reading on
Hackers stole three million dollars from Polymarket users through a compromised third-party vendor
The Next Web AI 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Hackers stole three million dollars from Polymarket users through a compromised third-party vendor
Polymarket confirmed on Thursday that hackers stole funds from users after a third-party vendor was compromised, allowing malicious code to be injected into the
The Agent Governance Category — What Google Just Formalized at Cloud Next ‘26
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
The Agent Governance Category — What Google Just Formalized at Cloud Next ‘26
Google named the category and shipped the architecture for the Fortune 1000. Here’s what the mid-market needs instead. Continue reading on Medium »
Ex-Huntress analyst claims company insider fed info to a ransomware crim. Social media drama ensues
The Register 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Ex-Huntress analyst claims company insider fed info to a ransomware crim. Social media drama ensues
Former employee accuses company of prioritizing pending IPO over client security
Password Managers vs. Passkeys: What Should You Actually Use in 2026?
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Password Managers vs. Passkeys: What Should You Actually Use in 2026?
Passkeys are not just a convenience feature. They are a serious phishing-resistant upgrade, but they do not make password managers… Continue reading on Medium »
I Built a JWT Playground That Re-signs Tokens With Real HMAC-SHA256
Dev.to · Devanshu Biswas 🔐 Cybersecurity ⚡ AI Lesson 2w ago
I Built a JWT Playground That Re-signs Tokens With Real HMAC-SHA256
Most JWT explainers cheat. They show you header.payload.signature, point at the third part, and say...
WhatsApp as a Weapon: Detecting the VBScript-to-ManageEngine RMM Campaign with EQL
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
WhatsApp as a Weapon: Detecting the VBScript-to-ManageEngine RMM Campaign with EQL
A practical detection guide for SOC teams hunting this active campaign in Elastic SIEM Continue reading on Medium »
Mitigating the CVE-2026–4342 Security Threat: Navigating the End of Ingress-Nginx
Medium · DevOps 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Mitigating the CVE-2026–4342 Security Threat: Navigating the End of Ingress-Nginx
Discover how to mitigate the critical CVE-2026–4342 security threat in Kubernetes. Continue reading on Medium »
Mitigating the CVE-2026–4342 Security Threat: Navigating the End of Ingress-Nginx
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Mitigating the CVE-2026–4342 Security Threat: Navigating the End of Ingress-Nginx
Discover how to mitigate the critical CVE-2026–4342 security threat in Kubernetes. Continue reading on Medium »
The Database Handed Me Every Password — It Just Needed the Right Table Name
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
The Database Handed Me Every Password — It Just Needed the Right Table Name
One quote, one Oracle quirk, and a gift shop printed its entire user list. Continue reading on Medium »
️‍♂️ TryHackMe Writeup: The Mission ContAInment
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
️‍♂️ TryHackMe Writeup: The Mission ContAInment
Hey everyone! Welcome to my first writeup. Today, we are tackling a really cool investigation. Continue reading on Medium »
7 Security Holes We Keep Finding in Vibecoded Apps: Audit Vibe Coding by Inithouse
Dev.to · Jakub 🔐 Cybersecurity ⚡ AI Lesson 2w ago
7 Security Holes We Keep Finding in Vibecoded Apps: Audit Vibe Coding by Inithouse
We run Audit Vibe Coding at Inithouse, a security audit tool built specifically for AI-generated...
InfoQ AI/ML 🔐 Cybersecurity ⚡ AI Lesson 2w ago
How Cloudflare Solved a Congestion Bug in quiche
Cloudflare has recently shared how they uncovered an issue in their Rust implementation of CUBIC, a congestion controller algorithm, which prevented it from rec
What actually visits a self-hosted website in 2026? Humans, AI crawlers, and 6,400 automated attacks
Dev.to · Tommy 🔐 Cybersecurity ⚡ AI Lesson 2w ago
What actually visits a self-hosted website in 2026? Humans, AI crawlers, and 6,400 automated attacks
I run a small self-hosted website on a Raspberry Pi 4B at home. A few weeks ago I started wondering:...