Tech Skills
Cybersecurity
Ethical hacking, penetration testing, network security, CTFs and defensive security
Skills in this topic
8 skills — Sign in to track your progress
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

Dev.to · crp4222
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Your PII redactor probably leaks tool-call arguments
Most "redact PII before the LLM" tools scan the chat message text and stop there. That was fine when...

Dev.to · Alina Trofimova
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Implementing Zero-Trust Security in Kubernetes with Istio: Addressing Complexities and Avoiding Service Disruptions
Introduction Implementing a zero-trust security model in Kubernetes with Istio...

The Next Web AI
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Why hackers are targeting your digital supply chain, not just your systems
Hackers are constantly looking for new ways to gain access to businesses and it’s rare that it’s through the front door. For most organisations cybersecurity st

Dev.to · Satyam Rastogi
🔐 Cybersecurity
⚡ AI Lesson
1d ago
HiAnime Takedown: Infrastructure-as-a-Service Piracy & Law Enforcement Attribution Gaps
Analysis of HiAnime's technical infrastructure, law enforcement attribution methods, and how piracy platforms become leverage points for state-sponsor

Dev.to · Charles Kern
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Scan Any Public GitHub Repo for Security Issues in Seconds (No Account)
TL;DR You can now paste any public GitHub repo URL and get a security grade back in...
Dev.to AI
🔐 Cybersecurity
⚡ AI Lesson
1d ago
FBI Crackdown on Botnets Highlights Regulatory Scrutiny Amidst Steady Web3 Developer Growth
🔗 Live Dashboard: autonomous-portfolio-2026.live 📢 Telegram: t.me/AII2026futher Today's Headlines BTC at $63,481, ETH at $1,786.2, and SOL at $81.56 all saw m

Medium · DevOps
🔐 Cybersecurity
⚡ AI Lesson
1d ago
SSH Hardening: The 12-Step Checklist I Run on Every New Server
A colleague once locked himself out of a production database box in under five seconds. He’d set AllowUsers to the wrong account, disabled… Continue reading on

Dev.to · Mohamed Hussain S
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Understanding ACME: What I Learned While Debugging HTTPS Certificate Failures
Deploying an application with HTTPS feels straightforward. Point your domain to the server,...

Medium · Cybersecurity
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Web Frameworks: Code Review (THM) Tryhackme Walkthrough
Description : Read web app source like an attacker: trace user input to dangerous sinks, triage with Semgrep. Continue reading on Medium »

Medium · Cybersecurity
🔐 Cybersecurity
⚡ AI Lesson
1d ago
The New Fraud Problem: Fake Documents That Look Too Real
AI has made fake paystubs, invoices, bank statements, IDs, and job offers easier to create — and harder for people to question. Continue reading on Medium »
Dev.to · NERDEXAM
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Certified Ethical Hacker (CEH v13, 312-50): What's Actually Tested
125 questions, 4 hours, $1,199, a 60 to 85% cut score. Here's what CEH v13 actually tests, how hard it is, and how long to study.

Dev.to · AI Dev Hub
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Auditing Chrome extension permissions in 2026: a 3-minute check
Read a Chrome extension's manifest and score its permission combinations before you install.

Medium · Cybersecurity
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Claude Cowork: The Layer Beneath Every Permission You Set
Every permission you set sits on top of one you were never asked about. Continue reading on Medium »
Medium · Cybersecurity
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Adding Rule in Suricata
This blog helps you to easily add a new rule into Suricata. Continue reading on Medium »

Medium · Cybersecurity
🔐 Cybersecurity
⚡ AI Lesson
1d ago
From Traditional Firewalls to Intelligent Firewalls: What Modern Cybersecurity Research and Real…
For many people, a firewall is simply a tool that blocks bad traffic and allows good traffic. This definition is not wrong, but it is no… Continue reading on Me
Medium · Cybersecurity
🔐 Cybersecurity
⚡ AI Lesson
1d ago
“Damned if You Do, Damned if you Don’t”
Is Privacy engineering underrepresented in AI security because no one knows it exists in a data driven economy? Continue reading on Medium »
ZDNet
🔐 Cybersecurity
⚡ AI Lesson
1d ago
I enabled Android's new security feature that detects fake cell towers - here's why
Connecting to the wrong network can put your data at risk. Android can warn you, but you'll have to allow it first.
Medium · Cybersecurity
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Why Digital Privacy Matters More Than Ever in 2026
We live in a world where almost every click, search, purchase, and conversation leaves a digital footprint. While technology has made life… Continue reading on
The Register
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Microsoft flips Windows Backup to on by default unless you're in the EU
Everyone else must opt out manually if they don't fancy settings data shipped off-device

Medium · Cybersecurity
🔐 Cybersecurity
⚡ AI Lesson
1d ago
HACKING JULY DAY 6: JUICE-SHOP BROKEN ACCESS CONTROL(Part II)
In the last article on 6th July, I tackled the juice-shop ‘view basket’ challenge. Feel free to check it out. Continue reading on Medium »

Dev.to · Kishore Bhavnanie
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Building a Continuous DNS Compliance Program (SOC 2, ISO 27001, NIS2 & PCI-DSS Ready)
Every year, thousands of companies scramble during audit season trying to prove they have control...

Dev.to · Shieldly
🔐 Cybersecurity
⚡ AI Lesson
1d ago
AWS IAM Privilege Escalation: Real Attack Paths DevOps Engineers Need to Know
You've locked down your AWS accounts. MFA is enforced, no wildcard IAM policies in production, and...

Medium · Cybersecurity
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Everyone’s bolting Claude onto everything. Nobody’s asking the boring question.
Companies are racing to wire AI assistants into every tool, inbox, and workflow they own. The risk isn’t the model. It’s what they… Continue reading on Medium »

Dev.to · MARIELA ESTEFANY RAMOS LOZA
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Securing a FastAPI Backend with Bandit: A Real SAST Analysis
1. Introduction In modern software development, shipping features fast often comes at the...

Dev.to · Haven Messenger
🔐 Cybersecurity
⚡ AI Lesson
1d ago
SLSA Explained: The Levels That Prove Where Your Software Came From
In the SolarWinds attack, the malicious code was not smuggled past code review or slipped into the...
Medium · Cybersecurity
🔐 Cybersecurity
⚡ AI Lesson
1d ago
FortiBleed: Inside the Largest Firewall Credential-Harvesting Campaign
How a financially motivated threat actor turned a legitimate FortiOS diagnostic command into a global credential-stealing machine… Continue reading on Medium »

Medium · Cybersecurity
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Insider threat investigations: what forensic evidence you need and how to collect it correctly
Insider threat cases are among the hardest security investigations to conduct well. Not because the evidence is hard to find, often it is… Continue reading on M
Medium · Cybersecurity
🔐 Cybersecurity
⚡ AI Lesson
1d ago
HIPAA Explained: Why Your Medical Records Are More Protected Than You Think
A plain-English guide to the law shaping privacy in American healthcare Continue reading on Medium »

Medium · Cybersecurity
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Cyber Security course in Hyderabad
Cyber Security Course in Hyderabad: Build a Successful Career in the Fast-Growing Cybersecurity Industry Continue reading on Medium »

Medium · Cybersecurity
🔐 Cybersecurity
⚡ AI Lesson
1d ago
EDR, XDR, NDR, SIEM… What Actually Does What
Decoding the Cybersecurity Alphabet Soup: AV, EDR, IDS, IPS, NDR, SIEM, XDR, and MDR Explained Continue reading on Medium »
Medium · Cybersecurity
🔐 Cybersecurity
⚡ AI Lesson
1d ago
The Unbreakable System Is the One That Breaks Correctly.
Agent security is converging on containment — kill-switches, sandboxes, blast-radius limits. It’s the wrong instinct, and information… Continue reading on Mediu

Medium · Cybersecurity
🔐 Cybersecurity
⚡ AI Lesson
1d ago
The Real Value of Managed IT
Technology now sits at the centre of how most businesses operate every day. Continue reading on Medium »

Dev.to · Bala Paranj
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Your Scanner Doesn't Know What Time It Is
Every cloud security scanner evaluates snapshots of a distributed system. Almost none of them reason about whether the snapshot is temporally consistent. Lampor

Dev.to · Juan Torchia
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Rate limiting en aplicaciones web: qué proteger antes de elegir una librería
Rate limiting no es una dependencia que se agrega al middleware y listo. Es una política de abuso. Antes de copiar el snippet de turno, hay que definir qué acti
Medium · Cybersecurity
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Encryption: The Invisible Shield Protecting Your Digital Life
How a centuries-old idea became the backbone of modern trust online Continue reading on Medium »

Medium · Cybersecurity
🔐 Cybersecurity
⚡ AI Lesson
1d ago
How to Remove Password Protection From a PDF (If You Have Permission)
PDF files are widely used because they preserve formatting and can easily be shared across different devices. Many PDFs are password… Continue reading on Medium

Medium · Cybersecurity
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Millions of iPhone users never learn how powerful Apple’s Find My feature really is until they lose…
This guide covers everything you need to know, including how to: • Locate a lost iPhone • Play a sound to find it nearby • Enable Lost… Continue reading on Medi

Dev.to · Ramprasad Edigi
🔐 Cybersecurity
⚡ AI Lesson
1d ago
TerraUSD Collapsed With $18B in Circulation. Chainlink Proof of Reserve Would Have Caught It Earlier
If you're building or auditing anything that handles collateral, this day matters more than...

Dev.to · Qnayds Career
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Why Every Developer Should Learn Basic Cybersecurity (Even If Security Isn't Your Job)
When people hear the word cybersecurity, they often think it's a completely different career from...

Hackernoon
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Why Cybersecurity Governance Depends on Decisions, Not Just Controls
The article argues that cybersecurity maturity depends on more than documented controls and compliance frameworks. As organizations become more complex, maintai

Hackernoon
🔐 Cybersecurity
⚡ AI Lesson
1d ago
ISP Traffic Shaping: Why Your Streaming Buffers Even When Your Internet Seems Fine
The article explains how ISPs use deep packet inspection (DPI) and traffic classification to identify and selectively throttle bandwidth-intensive services such

Dev.to · Krish Gulati
🔐 Cybersecurity
⚡ AI Lesson
1d ago
The Duck Stops Here: Building hid_guard — Catching Keystroke Injection at the Kernel Level
This is the index post for a series on building hid_guard, a HID-BPF security monitor for the Linux...
Medium · Deep Learning
🔐 Cybersecurity
⚡ AI Lesson
1d ago
SafeMath Is Not Dead. It Just Became a Review Mindset.
For years, SafeMath was one of the first smart contract security patterns developers learned. Continue reading on Medium »

Dev.to · TiltedLunar123
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Who signs what: a Security+ walkthrough of PKI and certificates
PKI is one of those Security+ topics that feels simple until the exam hands you four answers that all...

Dev.to · projectnomad
🔐 Cybersecurity
⚡ AI Lesson
1d ago
"The credential handoff that keeps your client's secrets out of Slack DMs"
Disclosure: I'm Claude, running as @projectnomad — an autonomous AI entrepreneur experiment, clearly...
Medium · Cybersecurity
🔐 Cybersecurity
⚡ AI Lesson
1d ago
The Most Important Word in Cybersecurity Isn’t "Firewall." It’s Entropy
Why the idea behind "password123 is a bad password" quietly underpins almost everything that keeps your data safe and the real bug that… Continue reading on Med

Dev.to · Tminus1sec base.eth
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Privacy isn't encryption: what building on Midnight actually taught me
When I started building on Midnight, I had the wrong mental model, and I suspect most people arriving...

Medium · Cybersecurity
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Why Cyber Security Is Critical to India’s Digital Future
India’s digital economy has scaled at a pace few countries have matched. Payments move instantly, identity verification happens in seconds… Continue reading on
DeepCamp AI