Tech Skills

Cybersecurity

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

18,054
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 (11,143) Articles (5538)Blog Posts (4313)Tutorials (414)Research Papers (34)News (844)
Email Spoofing Explained For Charlotte Business Owners: Why Hackers Are Faking Your Sender Address…
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Email Spoofing Explained For Charlotte Business Owners: Why Hackers Are Faking Your Sender Address…
Picture this: It’s Tuesday morning. You’re reviewing accounts payable for your Charlotte-based business, and an email pops up from your… Continue reading on Med
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
7 Cybersecurity Mistakes Small Businesses Make — and How to Avoid Them
For many small business owners, cybersecurity still feels like something only large corporations need to worry about. If you’re not a bank… Continue reading on
Building a Secure Homelab with Proxmox VE, pfSense, and Cilium
Dev.to · Luna Commsnet 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Building a Secure Homelab with Proxmox VE, pfSense, and Cilium
Building a Secure Homelab with Proxmox VE, pfSense, and Cilium Published: May 25, 2026 |...
Implementing a cryptographically secure shuffle: Fisher-Yates with CSPRNG in JavaScript
Dev.to · Diego Torres 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Implementing a cryptographically secure shuffle: Fisher-Yates with CSPRNG in JavaScript
When you need to shuffle an array in JavaScript, the naive approach using Math.random() and...
HackTheBox — Administrator (Medium)
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
HackTheBox — Administrator (Medium)
 This writeup is part of the Lainkusanagi OSCP Like List — a curated collection of machines recommended for OSCP preparation. Continue reading on Medium »
IPRoyal Alternatives: 5 Better Options for 2026
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
IPRoyal Alternatives: 5 Better Options for 2026
IPRoyal is a well-known proxy provider, but it’s not the right fit for everyone. If you’ve run into session instability, inconsistent IP… Continue reading on Me
A year of the EAA — does your component library's CI catch a11y violations yet?
Dev.to · Alex 🔐 Cybersecurity ⚡ AI Lesson 2w ago
A year of the EAA — does your component library's CI catch a11y violations yet?
The EAA is one year into enforcement, and most component libraries still ship without a single...
KioskExpo7 Lab Writeup [CyberDefenders]
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
KioskExpo7 Lab Writeup [CyberDefenders]
KioskExpo7 Lab Writeup [CyberDefenders] | by Loay Salah Continue reading on InfoSec Write-ups »
5 Common Cybersecurity Mistakes Almost Everyone Makes
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
5 Common Cybersecurity Mistakes Almost Everyone Makes
Cybersecurity often sounds complicated. Firewalls. Encryption. Malware. But in reality, most security incidents happen because of simple… Continue reading on Me
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Remote Code Execution via Custom JS Function in Flowise
During a security review of Flowise v3.1.1, I identified a path that allows authenticated users capable of creating chatflows to achieve… Continue reading on Me
What Is a VPN and Why Does Your Company Force You to Use One?
Medium · DevOps 🔐 Cybersecurity ⚡ AI Lesson 2w ago
What Is a VPN and Why Does Your Company Force You to Use One?
When I started working with servers, cloud infrastructure, and internal company tools, one thing kept showing up everywhere. Continue reading on Medium »
What Is a VPN and Why Does Your Company Force You to Use One?
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
What Is a VPN and Why Does Your Company Force You to Use One?
When I started working with servers, cloud infrastructure, and internal company tools, one thing kept showing up everywhere. Continue reading on Medium »
Canadian utility fesses up to data breach, but key details remain off-grid
The Register 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Canadian utility fesses up to data breach, but key details remain off-grid
London Hydro says names, addresses, account details may have been exposed, but much about the intrusion is unknown
SOP vs CORS vs Preflight vs SameSite Cookies — A Guide for Bug Bounty Hunters
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
SOP vs CORS vs Preflight vs SameSite Cookies — A Guide for Bug Bounty Hunters
Hey this is Maruf Hosan aka 0xmaruf . lets jump on our topic Continue reading on Medium »
How AI And Quantum Computing Are Rewriting Cyber Risk
Forbes Innovation 🔐 Cybersecurity ⚡ AI Lesson 2w ago
How AI And Quantum Computing Are Rewriting Cyber Risk
The same weaknesses leave organizations exposed to both AI-enabled attacks and delayed cryptographic migration.
Ephemeral Browsing and Cryptographic Memory Shredding for Fo doesn't phone home. It doesn't need to.
Dev.to · Lois-Kleinner 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Ephemeral Browsing and Cryptographic Memory Shredding for Fo doesn't phone home. It doesn't need to.
**Ephemeral Browsing and Cryptographic Memory Shredding for Forensic Resistance** --- ## The Problem Private browsing modes in mainstream browsers provide only
The Data Leak You Are Ignoring: Why Shared Remote Desktops Are a Security Nightmare Subtitle:
Medium · DevOps 🔐 Cybersecurity ⚡ AI Lesson 2w ago
The Data Leak You Are Ignoring: Why Shared Remote Desktops Are a Security Nightmare Subtitle:
Stop exposing your proprietary code and client data on cheap, shared network ports. Continue reading on Medium »
We solved ed25519 signature security and post-quantum considerations without telling anyone's server.
Dev.to · Lois-Kleinner 🔐 Cybersecurity ⚡ AI Lesson 2w ago
We solved ed25519 signature security and post-quantum considerations without telling anyone's server.
**Ed25519 Signature Security and Post-Quantum Considerations** --- ## The Problem Ed25519 has become the de facto standard for digital signatures in modern cryp
Who Actually Owns This Service Account?
Dev.to · Dwayne McDaniel 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Who Actually Owns This Service Account?
When that AWS service account gets compromised, who do you call? A question that shouldn't be...
Let's try threat modeling with AWS Security Agent.
Dev.to · NaoyukiFujita 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Let's try threat modeling with AWS Security Agent.
Introduction This article is an English translation of the following...
From Writing Code to Auditing It: A Developer's Pivot into the Three Lines of Defense
Dev.to · Massimiliano B. 🔐 Cybersecurity ⚡ AI Lesson 2w ago
From Writing Code to Auditing It: A Developer's Pivot into the Three Lines of Defense
For years, my world was defined by clean code, efficient algorithms, and the satisfaction of a build...
The cloud was never necessary for Hash-Chain Integrity for Distributed Conversation Logs. Here's why.
Dev.to · Lois-Kleinner 🔐 Cybersecurity ⚡ AI Lesson 2w ago
The cloud was never necessary for Hash-Chain Integrity for Distributed Conversation Logs. Here's why.
**Hash-Chain Integrity for Distributed Conversation Logs** --- ## The Problem The integrity of distributed conversation logs presents a fundamental challenge in
ZDNet 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Yes, you need a password manager - and you can try Proton Pass for just $1 right now
Proton Pass is one of our favorite password managers - and you can try a month for 80% off with this deal.
The cloud was never necessary for Hash-Chain Integrity for Distributed Conversation Logs. Here's why.
Dev.to · Lois-Kleinner 🔐 Cybersecurity ⚡ AI Lesson 2w ago
The cloud was never necessary for Hash-Chain Integrity for Distributed Conversation Logs. Here's why.
**Hash-Chain Integrity for Distributed Conversation Logs** --- ## The Problem The integrity of distributed conversation logs presents a fundamental challenge in
Secrets Management Best Practices with HashiCorp Vault
Dev.to · DevOps Daily 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Secrets Management Best Practices with HashiCorp Vault
A database password leaks. Maybe it was committed to a private repo three years ago, maybe it sat in...
Why Vibecoded Apps Fail Security Audits (and the 4 Fixes That Matter Most)
Dev.to · Jakub 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Why Vibecoded Apps Fail Security Audits (and the 4 Fixes That Matter Most)
At Inithouse — a studio shipping a growing portfolio of products in parallel — we audit vibecoded...
RST TI Report Digest: 22 Jun 2026
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
RST TI Report Digest: 22 Jun 2026
Last week we processed 65 threat intelligence articles. Sharing a short summary of top 10 of them with IoCs. Continue reading on Medium »
Top Data Center Services Provider in India | Net Access India Limited
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Top Data Center Services Provider in India | Net Access India Limited
Managed data center services involve outsourcing the administration, monitoring, maintenance, and management of your physical or virtual… Continue reading on Me
Microsoft Purview Information Protection and Classification: A Practical Guide
Dev.to · Apps4.Pro Migration Manager 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Microsoft Purview Information Protection and Classification: A Practical Guide
Every Microsoft 365 tenant has a hidden data problem. Over time, SharePoint sites, OneDrive folders,...
Automating Web VAPT with Playwright and OWASP ZAP
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Automating Web VAPT with Playwright and OWASP ZAP
In today’s fast-paced development cycles, security is often treated as a last-minute audit. This “waterfall” approach to security creates… Continue reading on M
Canada buys Australian Arctic radar in A$2.5bn defence-export first
The Next Web AI 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Canada buys Australian Arctic radar in A$2.5bn defence-export first
Australia has been refining the same unusual piece of radar for decades, a system that bounces signals off the ionosphere to see thousands of kilometres past th
How to Boost Your Small Business IT Security
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
How to Boost Your Small Business IT Security
Cyber threats are growing faster than ever. Small businesses are no longer overlooked by cybercriminals. In fact, many attackers… Continue reading on Medium »
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
boston managed it services — Omega Digital Group
Reliable IT support is critical for business growth, and professional boston managed it services help organizations stay secure, scalable… Continue reading on M
Hackers Are No Longer Breaking Into Your Systems.
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Hackers Are No Longer Breaking Into Your Systems.
Every major breach of 2026 follows the same pattern. Continue reading on Medium »
I Scanned 8 Popular Sites for Bot Protection — Here's What Actually Stops Scrapers
Dev.to · Charles 🔐 Cybersecurity ⚡ AI Lesson 2w ago
I Scanned 8 Popular Sites for Bot Protection — Here's What Actually Stops Scrapers
If you've ever built a web scraper, you know the pain: your code works perfectly in dev, then the...
Atlassian Patches 100 Vulnerabilities Across Data Center and Server Products
Dev.to · BeyondMachines 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Atlassian Patches 100 Vulnerabilities Across Data Center and Server Products
Atlassian's June 2026 security update addresses 100 vulnerabilities, including critical flaws in third-party dependencies like Axios, Apache Tomcat, and Netty.
The Architecture of Cryptography: Securing Data at Rest, in Transit, and at Enterprise Scale
Medium · DevOps 🔐 Cybersecurity ⚡ AI Lesson 2w ago
The Architecture of Cryptography: Securing Data at Rest, in Transit, and at Enterprise Scale
Encryption is one of the foundational building blocks of modern cybersecurity. It protects sensitive information by converting readable… Continue reading on Med
The Verge 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Read this before you vibe-code another app
Bob Starr was delighted with his vibe-coded website. "Boomberg" showed how much US tax money is going to tech companies, and Starr launched it online immediatel
Non-Human Identities: The Silent Attack Surface No One Is Monitoring
Dev.to · Ali-Funk 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Non-Human Identities: The Silent Attack Surface No One Is Monitoring
Most organizations know exactly how many employees they have. Far fewer know how many non-human...
DAY 3 OF 100 DAYS AS A STUDENT STUDYING CYBERSECURITY
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
DAY 3 OF 100 DAYS AS A STUDENT STUDYING CYBERSECURITY
Understanding the Cyber Kill Chain Continue reading on Medium »
Uncover the Real MSISDN | SS7 Telecom Security Research Tool
Medium · AI 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Uncover the Real MSISDN | SS7 Telecom Security Research Tool
Understanding How Mobile Identity Works in Modern Telecom Networks Continue reading on Medium »
Uncover the Real MSISDN | SS7 Telecom Security Research Tool
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Uncover the Real MSISDN | SS7 Telecom Security Research Tool
Understanding How Mobile Identity Works in Modern Telecom Networks Continue reading on Medium »
Entry Level Cybersecurity Salary in India: What Freshers Can Expect in 2026
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Entry Level Cybersecurity Salary in India: What Freshers Can Expect in 2026
Entry level cybersecurity jobs in India can offer freshers a starting salary of around ₹3.5 LPA to ₹8 LPA in 2026. The final package… Continue reading on Medium
5 security patterns GitHub Copilot generates that no linter catches
Dev.to · Moon sehwan 🔐 Cybersecurity ⚡ AI Lesson 2w ago
5 security patterns GitHub Copilot generates that no linter catches
I've been scanning AI-generated codebases for the past month. Here are 5 patterns that appear most...
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Cybercrime Investigation in 2026: A Complete Guide for Beginners and Businesses
Cybercrime has become one of the fastest-growing threats in today’s digital world. Every day, businesses and individuals face phishing… Continue reading on Medi
Cyber Security Roadmap: A Complete Beginner-to-Professional Guide
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Cyber Security Roadmap: A Complete Beginner-to-Professional Guide
A few years ago, a university student received an email that looked completely legitimate. Continue reading on Medium »
GHSA-6GQW-JQV7-V88M: GHSA-6GQW-JQV7-V88M: Multi-Tenant Isolation Bypass in stigmem-node via Missing SQL Tenant Predicates
Dev.to · CVE Reports 🔐 Cybersecurity ⚡ AI Lesson 2w ago
GHSA-6GQW-JQV7-V88M: GHSA-6GQW-JQV7-V88M: Multi-Tenant Isolation Bypass in stigmem-node via Missing SQL Tenant Predicates
GHSA-6GQW-JQV7-V88M: Multi-Tenant Isolation Bypass in stigmem-node via Missing SQL Tenant...
Medium · DevOps 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Azure Network Security Groups (NSGs) and Application Gateway: Building Secure and Scalable Cloud…
As organizations continue migrating applications to the cloud, security and traffic management become critical concerns. Continue reading on Medium »