Tech Skills

Cybersecurity

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

6,754
lessons
Skills in this topic
View full skill map →
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

Showing 1,396 reads from curated sources

Hack The Box - Snapped Writeup
Dev.to · Vall3nSs 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Hack The Box - Snapped Writeup
Machine: Snapped Difficulty: Hard OS: Linux Overview Snapped is a hard-difficulty...
CVE-2026-40099: CVE-2026-40099: Incorrect Authorization Bypass in Kirby CMS Page Creation
Dev.to · CVE Reports 🔐 Cybersecurity ⚡ AI Lesson 2w ago
CVE-2026-40099: CVE-2026-40099: Incorrect Authorization Bypass in Kirby CMS Page Creation
CVE-2026-40099: Incorrect Authorization Bypass in Kirby CMS Page Creation Vulnerability...
The Bitwarden CLI Just Got Backdoored. Here's What the Supply Chain Attack Actually Did.
Dev.to · Om Shree 🔐 Cybersecurity ⚡ AI Lesson 2w ago
The Bitwarden CLI Just Got Backdoored. Here's What the Supply Chain Attack Actually Did.
Bitwarden serves over 10 million users and 50,000 businesses. On April 22, 2026, for exactly 93...
CVE-2026-29050: CVE-2026-29050: Path Traversal to Command Execution in Chainguard Melange
Dev.to · CVE Reports 🔐 Cybersecurity ⚡ AI Lesson 2w ago
CVE-2026-29050: CVE-2026-29050: Path Traversal to Command Execution in Chainguard Melange
CVE-2026-29050: Path Traversal to Command Execution in Chainguard Melange Vulnerability...
CVE-2026-29051: CVE-2026-29051: Path Traversal in Melange via Unvalidated .PKGINFO Fields
Dev.to · CVE Reports 🔐 Cybersecurity ⚡ AI Lesson 2w ago
CVE-2026-29051: CVE-2026-29051: Path Traversal in Melange via Unvalidated .PKGINFO Fields
CVE-2026-29051: Path Traversal in Melange via Unvalidated .PKGINFO Fields Vulnerability...
Bitwarden CLI Compromised: What Developers Need to Know About the Ongoing Checkmarx Supply Chain Attack
Dev.to · Landlight 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Bitwarden CLI Compromised: What Developers Need to Know About the Ongoing Checkmarx Supply Chain Attack
Bitwarden CLI was compromised in an ongoing Checkmarx supply chain campaign. Learn how it happened, what to do now, and how to harden your dev pipeline.
CVE-2026-40886: CVE-2026-40886: Denial of Service via Unchecked Annotation Parsing in Argo Workflows
Dev.to · CVE Reports 🔐 Cybersecurity ⚡ AI Lesson 3w ago
CVE-2026-40886: CVE-2026-40886: Denial of Service via Unchecked Annotation Parsing in Argo Workflows
CVE-2026-40886: Denial of Service via Unchecked Annotation Parsing in Argo...
CVE-2026-40891: CVE-2026-40891: Denial of Service via Unbounded Memory Allocation in OpenTelemetry .NET gRPC Trailer Parsing
Dev.to · CVE Reports 🔐 Cybersecurity ⚡ AI Lesson 3w ago
CVE-2026-40891: CVE-2026-40891: Denial of Service via Unbounded Memory Allocation in OpenTelemetry .NET gRPC Trailer Parsing
CVE-2026-40891: Denial of Service via Unbounded Memory Allocation in OpenTelemetry .NET gRPC...
Day 1/90: Building a Hardened Python Security Environment
Dev.to · Naveen Karasu 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Day 1/90: Building a Hardened Python Security Environment
Setting up an isolated, hash-pinned Python security lab with pyenv, Docker, and supply chain defenses.
CVE-2026-40894: CVE-2026-40894: Excessive Memory Allocation in OpenTelemetry .NET Propagation Headers
Dev.to · CVE Reports 🔐 Cybersecurity ⚡ AI Lesson 3w ago
CVE-2026-40894: CVE-2026-40894: Excessive Memory Allocation in OpenTelemetry .NET Propagation Headers
CVE-2026-40894: Excessive Memory Allocation in OpenTelemetry .NET Propagation...
CVE-2026-41173: CVE-2026-41173: Denial of Service in OpenTelemetry .NET SDK via Unbounded HTTP Allocation
Dev.to · CVE Reports 🔐 Cybersecurity ⚡ AI Lesson 3w ago
CVE-2026-41173: CVE-2026-41173: Denial of Service in OpenTelemetry .NET SDK via Unbounded HTTP Allocation
CVE-2026-41173: Denial of Service in OpenTelemetry .NET SDK via Unbounded HTTP...
CVE-2026-40182: CVE-2026-40182: Unbounded Memory Exhaustion Denial of Service in OpenTelemetry .NET OTLP Exporter
Dev.to · CVE Reports 🔐 Cybersecurity ⚡ AI Lesson 3w ago
CVE-2026-40182: CVE-2026-40182: Unbounded Memory Exhaustion Denial of Service in OpenTelemetry .NET OTLP Exporter
CVE-2026-40182: Unbounded Memory Exhaustion Denial of Service in OpenTelemetry .NET OTLP...
Supply Chain Attacks Plague npm, Cloud Devs Expose Thousands of Secrets
Dev.to · soy 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Supply Chain Attacks Plague npm, Cloud Devs Expose Thousands of Secrets
Supply Chain Attacks Plague npm, Cloud Devs Expose Thousands of Secrets Today's...
💻 Learning Cybersecurity by Building- A Hacker Terminal Game in Python
Dev.to · Eidolmor 🔐 Cybersecurity ⚡ AI Lesson 3w ago
💻 Learning Cybersecurity by Building- A Hacker Terminal Game in Python
🚀 Introduction (The "Why") As I started learning cybersecurity, I realized that just reading concepts...
Privacy Management Policy
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Privacy Management Policy
Table of Contents Continue reading on Medium »
TryHackMe — RootMe CTF Solution
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3w ago
TryHackMe — RootMe CTF Solution
Summary: In RootMe CTF room we need to find web vulnerabilities and then we use reverse shell connect to terminal after than privelege… Continue reading on Medi
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Use After Free Zafiyeti nedir, DVRF uae nasıl çözülür
Öncelikle use after free nedir ona bakalım use after free zafiyetini açıklamak gerekirse bir bilet sistemimiz olsun ve biz bileti önce… Continue reading on Medi
The Register 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Chinese attackers are pwning your infrastructure to use in attacks, 10 countries warn
All the Typhoons, everywhere, all at once A majority of China-linked threat actors are using compromised routers and IoT devices worldwide, turning this gear in
HIPAA Security Rule Explained So Simply Anyone Can Understand It
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3w ago
HIPAA Security Rule Explained So Simply Anyone Can Understand It
HIPAA isn’t complicated, it’s just explained badly. Continue reading on Medium »
The Compliance Trap: Why is SAQ D considered a “Silent Killer” for Fintechs?
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3w ago
The Compliance Trap: Why is SAQ D considered a “Silent Killer” for Fintechs?
In the boardroom, “PCI Compliance” is often treated as a binary status: you are either compliant or you are not. However, for CTOs and… Continue reading on Medi
Malicious Google Ads Target Crypto Users — How Businesses Can Protect Their Wallets
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Malicious Google Ads Target Crypto Users — How Businesses Can Protect Their Wallets
What happened and why it matters to businesses Continue reading on Medium »
The npm Supply Chain Is a Security Risk — Here’s What the Axios & Vercel Incidents Prove
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3w ago
The npm Supply Chain Is a Security Risk — Here’s What the Axios & Vercel Incidents Prove
The reality behind the npm supply chain panic—a compromise, a failure of trust, or just a misunderstanding? Continue reading on Medium »
Using DNS over HTTPS to Build a Cleaner, Safer Digital Environment on Your PC.
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Using DNS over HTTPS to Build a Cleaner, Safer Digital Environment on Your PC.
What is DNS over HTTPS ? Continue reading on ILLUMINATION »
The GRC Platform CISOs Actually Need
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3w ago
The GRC Platform CISOs Actually Need
How an open-source tool is quietly replacing six-figure compliance software, and why your security team should be paying attention Continue reading on Medium »
​The Silent Threat: Why 435 Million People Just Changed How They View Digital Safety
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3w ago
​The Silent Threat: Why 435 Million People Just Changed How They View Digital Safety
​In a world of evolving cyber risks, is your data truly secure? Here is why nearly half a billion users trust one name. Continue reading on Medium »
ZDNet 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Apple just fixed an iOS flaw exploited by the FBI - here's what happened
The latest iOS 26.4.2 update resolves a vulnerability that allowed the FBI to retrieve deleted text messages from a user's Signal app.
Microsoft Vibing — capturing screenshots and voice samples without governance
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Microsoft Vibing — capturing screenshots and voice samples without governance
A look inside Microsoft Vibing, a fake open source project published by Microsoft that captures audio and screenshots of customers. Continue reading on DoublePu
Snapshot, Immutable, Isolated: What Your IT Guy Means and Why Charlotte Businesses Need All Three
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Snapshot, Immutable, Isolated: What Your IT Guy Means and Why Charlotte Businesses Need All Three
You’ve heard the stories. A local shop. A medical office off Providence Road. A startup in NoDa. One click on a weird email, and… Continue reading on Medium »
KENDİ VPN SUNUCUNUZU OLUŞTURUN.
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3w ago
KENDİ VPN SUNUCUNUZU OLUŞTURUN.
Merhaba! Topluluğumuzun ilk medium yazısı ile karşınızdayız. Bu yazımızda size Türkiye’de VPN’lerin yasaklanması gibi bir çok haberin… Continue reading on Mediu
E-MAIL FORENSICS: WHAT YOU NEED TO KNOW
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3w ago
E-MAIL FORENSICS: WHAT YOU NEED TO KNOW
E-mails have become a ubiquitous part of our everyday lives. We are constantly checking our emails on our phones, laptops and devices. But… Continue reading on
Part 8 | The Acquisition Argument: Why Zero-Persistence is the Architecture Big Tech Will Have to…
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Part 8 | The Acquisition Argument: Why Zero-Persistence is the Architecture Big Tech Will Have to…
Let’s talk about something the industry doesn’t like to say out loud. Continue reading on Medium »
Proton Suite Review: Privacy Tools That Fit Together
Dev.to · Juan Diego Isaza A. 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Proton Suite Review: Privacy Tools That Fit Together
Proton suite review for privacy VPN users: how Proton Mail, Drive, Pass, and Proton VPN fit together, where it wins, and when NordVPN wins.
Reverse Engineering a Modern Phishing Kit (2026 Edition)
Dev.to · James Smith 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Reverse Engineering a Modern Phishing Kit (2026 Edition)
The phishing kits today are not hacked together. They are developed software products that have...
Your Slow Website is a Legal Risk: Why Technical Debt is Now a Liability
Dev.to · Hugo Campañoli 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Your Slow Website is a Legal Risk: Why Technical Debt is Now a Liability
Hey DEV community! 👋 After auditing dozens of enterprise platforms, I’ve noticed a dangerous trend....
What I Learned from Using CMS Checker in Real Projects as a Developer
Dev.to · Rafid Bottler 🔐 Cybersecurity ⚡ AI Lesson 3w ago
What I Learned from Using CMS Checker in Real Projects as a Developer
Ever landed on a website and wondered, “What CMS is this built on?” or tried to figure out a...
The Zero-Knowledge Trap: Why ownPublicKey() Cannot Prove Identity in Compact
Dev.to · Harrie 🔐 Cybersecurity ⚡ AI Lesson 3w ago
The Zero-Knowledge Trap: Why ownPublicKey() Cannot Prove Identity in Compact
For everyone who has ever written Solidity before, you should know this...
ZDNet 🔐 Cybersecurity ⚡ AI Lesson 3w ago
The best Amazon Fire TV Stick VPNs of 2026: Expert tested and reviewed
These tried-and-tested VPNs will work with your Amazon Fire TV Stick, giving you more privacy and freedom when streaming.
The Register 🔐 Cybersecurity ⚡ AI Lesson 3w ago
If malware via monitor cables is a matter of national security, this might be the gadget for you
Orgs can now buy UK cyber agency engineered commercial gadget, but details are slim GCHQ's cyber arm has entered the hardware game with its first device designe
MD5, SHA-1, SHA-256, SHA-512: Which Hash Algorithm Should You Actually Use?
Dev.to · Snappy Tools 🔐 Cybersecurity ⚡ AI Lesson 3w ago
MD5, SHA-1, SHA-256, SHA-512: Which Hash Algorithm Should You Actually Use?
If you've ever downloaded a Linux ISO and noticed a .sha256 file next to it, you've encountered a...
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Your .NET App Is Not Secure — Even If You Use HTTPS
(Encryption is not security. It’s just the beginning.) Continue reading on Medium »
ZDNet 🔐 Cybersecurity ⚡ AI Lesson 3w ago
The best smart TV VPNs of 2026: Expert tested and reviewed
Keep your browsing and streaming activities hidden from ISPs and expand your content libraries with a solid, secure, and fast VPN that works well with smart TVs
Contextual AI is Changing How We Detect Phishing — And It’s About Time
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Contextual AI is Changing How We Detect Phishing — And It’s About Time
Have you ever opened an email that looked perfectly normal… same tone, same formatting, maybe even from a “known” sender — Continue reading on Medium »
Top Risks of Ignoring SDLC Gap Analysis
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Top Risks of Ignoring SDLC Gap Analysis
Software development is no longer just about building features; it’s about building secure and scalable software that closely aligns with… Continue reading on M
Building a cybersecurity agent with n8n: automating security operations
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Building a cybersecurity agent with n8n: automating security operations
how to create intelligent threat detection and response workflows without breaking the budget Continue reading on Medium »
Module 3 | Foundations of Cybersecurity | Google Professional Cybersecurity Certificate
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Module 3 | Foundations of Cybersecurity | Google Professional Cybersecurity Certificate
Module 3: Protect against threats, risks, and vulnerabilities. Continue reading on Medium »
Techpoint Africa 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Nigerian banks gain access to telecom data to stop fraud
On Techpoint Digest, we discuss how Nigeria plans to combat SIM-based financial fraud, why global tech is reconsidering its approach to Africa, and how ICASA ho
The NPM Trojan Horse: How I Locked Down My React App Before a Malicious Package Could Exfiltrate My…
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 3w ago
The NPM Trojan Horse: How I Locked Down My React App Before a Malicious Package Could Exfiltrate My…
You’re staring at your package.json, and it feels like home. You’ve got your favorite state manager, that sleek component library, and a… Continue reading on Me
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3w ago
The NPM Trojan Horse: How I Locked Down My React App Before a Malicious Package Could Exfiltrate My…
You’re staring at your package.json, and it feels like home. You’ve got your favorite state manager, that sleek component library, and a… Continue reading on Me