Tech Skills

Cybersecurity

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

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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 (10,855) Articles (5371)Blog Posts (4237)Tutorials (376)Research Papers (34)News (837)
A year of the EAA — does your component library's CI catch a11y violations yet?
Dev.to · Alex 🔐 Cybersecurity ⚡ AI Lesson 1w 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...
Ephemeral Browsing and Cryptographic Memory Shredding for Fo doesn't phone home. It doesn't need to.
Dev.to · Lois-Kleinner 🔐 Cybersecurity ⚡ AI Lesson 1w 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
We solved ed25519 signature security and post-quantum considerations without telling anyone's server.
Dev.to · Lois-Kleinner 🔐 Cybersecurity ⚡ AI Lesson 1w 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 1w 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 1w 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 1w 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 1w 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
The cloud was never necessary for Hash-Chain Integrity for Distributed Conversation Logs. Here's why.
Dev.to · Lois-Kleinner 🔐 Cybersecurity ⚡ AI Lesson 1w 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 1w 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 1w 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...
Microsoft Purview Information Protection and Classification: A Practical Guide
Dev.to · Apps4.Pro Migration Manager 🔐 Cybersecurity ⚡ AI Lesson 1w 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,...
I Scanned 8 Popular Sites for Bot Protection — Here's What Actually Stops Scrapers
Dev.to · Charles 🔐 Cybersecurity ⚡ AI Lesson 1w 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 1w 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.
Non-Human Identities: The Silent Attack Surface No One Is Monitoring
Dev.to · Ali-Funk 🔐 Cybersecurity ⚡ AI Lesson 1w 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...
5 security patterns GitHub Copilot generates that no linter catches
Dev.to · Moon sehwan 🔐 Cybersecurity ⚡ AI Lesson 1w 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...
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 1w 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...
Beyond Encryption: Reducing Metadata Leakage with Fragmentation
Dev.to · Artem 🔐 Cybersecurity ⚡ AI Lesson 1w ago
Beyond Encryption: Reducing Metadata Leakage with Fragmentation
TL;DR: This article is a design exploration rather than a cryptographic proposal. It examines whether...
2026-05-31: Seven days of scans and probes and web traffic hitting my web server
Dev.to · Mark0 🔐 Cybersecurity ⚡ AI Lesson 1w ago
2026-05-31: Seven days of scans and probes and web traffic hitting my web server
This article presents a record of network activity targeting a web server over a seven-day period...
Threat Brief: Mitigating Large-Scale Credential Attacks
Dev.to · Mark0 🔐 Cybersecurity ⚡ AI Lesson 1w ago
Threat Brief: Mitigating Large-Scale Credential Attacks
⚠️ Region Alert: UAE/Middle East The "FortiBleed" campaign is a large-scale password spraying and...
OpenBSD mpls_do_error: Remote Kernel Stack Disclosure via MPLS Label Stack Over-read
Dev.to · Mark0 🔐 Cybersecurity ⚡ AI Lesson 1w ago
OpenBSD mpls_do_error: Remote Kernel Stack Disclosure via MPLS Label Stack Over-read
This article details a remote kernel stack disclosure vulnerability (CVE-2026-56099) found in OpenBSD...
AryStinger botnet infected thousands of D-Link routers worldwide
Dev.to · Mark0 🔐 Cybersecurity ⚡ AI Lesson 1w ago
AryStinger botnet infected thousands of D-Link routers worldwide
A newly discovered malware botnet dubbed AryStinger has hijacked over 4,000 legacy D-Link routers,...
1.2 Million WordPress Sites Were Hacked, and Not One Plugin Was Outdated
Dev.to · Dev Encyclopedia 🔐 Cybersecurity ⚡ AI Lesson 1w ago
1.2 Million WordPress Sites Were Hacked, and Not One Plugin Was Outdated
On June 12, 2026, attackers compromised a CDN signing key belonging to Awesome Motive, the company...
Troubleshooting Git Authentication: Fixing "Repository Not Found" on Private Repositories
Dev.to · Manoj sai Challagulla 🔐 Cybersecurity ⚡ AI Lesson 1w ago
Troubleshooting Git Authentication: Fixing "Repository Not Found" on Private Repositories
When working with private Git repositories, running into a fatal: repository '...' not found error is...
How a web agency keeps every client site secure
Dev.to · Cedric Brown 🔐 Cybersecurity ⚡ AI Lesson 1w ago
How a web agency keeps every client site secure
If you build and maintain sites for clients, you are on the hook for security on properties you may...
Inside the CVE List: How Vulnerabilities Get Their ID Cards
Dev.to · Nargiz Naghiyeva 🔐 Cybersecurity ⚡ AI Lesson 1w ago
Inside the CVE List: How Vulnerabilities Get Their ID Cards
Thousands of software bugs are discovered every day around the world. But turning these bugs into an...
Stop Pasting Sensitive Data into Random Websites: Meet Parsify 🛡️
Dev.to · Parsify.tools 🔐 Cybersecurity ⚡ AI Lesson 1w ago
Stop Pasting Sensitive Data into Random Websites: Meet Parsify 🛡️
Hey DEV community! 👋 How many times a day do you need to format a messy JSON string, convert a CSV...
My app crashed with 'illegal instruction' – AVX compatibility fixed it
Dev.to · Noushad Patel 🔐 Cybersecurity ⚡ AI Lesson 1w ago
My app crashed with 'illegal instruction' – AVX compatibility fixed it
My app crashed with 'illegal instruction' – AVX compatibility fixed it It's a developer's...
VeriLync- Application Security for SaaS Scale-ups
Dev.to · Oluwole Ajayi 🔐 Cybersecurity ⚡ AI Lesson 1w ago
VeriLync- Application Security for SaaS Scale-ups
I studied MSc Applied Cybersecurity at the University of South Wales. My dissertation was titled...
Precision Loss and Rounding Exploits in Financial Smart Contracts
Dev.to · Hiren Kava 🔐 Cybersecurity ⚡ AI Lesson 1w ago
Precision Loss and Rounding Exploits in Financial Smart Contracts
A smart contract does not need an overflow, reentrancy bug, or broken access-control check to lose...
Spotting GPS spoofing on a drone — and flying on when the signal is gone
Dev.to · Oli 🔐 Cybersecurity ⚡ AI Lesson 1w ago
Spotting GPS spoofing on a drone — and flying on when the signal is gone
Follow-up to my MAVLink post. Same caveat: I'm a beginner doing this as a hobby. The results below...
MAVLink: the protocol behind millions of drones (and why it isn't secure by default)
Dev.to · Oli 🔐 Cybersecurity ⚡ AI Lesson 1w ago
MAVLink: the protocol behind millions of drones (and why it isn't secure by default)
Quick disclaimer: I'm still learning this stuff. This comes out of a small personal project where...
Engineering a residential security stack for high-value LA properties: site survey to dispatch
Dev.to · GoldenGlobalHawks 🔐 Cybersecurity ⚡ AI Lesson 1w ago
Engineering a residential security stack for high-value LA properties: site survey to dispatch
Site survey, perimeter design, staffing models, and tech integration for LA residential security ops — with BSIS compliance requirements and real cost figures.
Business Logic Vulnerabilities in Modern APIs: The Security Flaws Firewalls Can't Stop
Dev.to · Arashad Dodhiya 🔐 Cybersecurity ⚡ AI Lesson 1w ago
Business Logic Vulnerabilities in Modern APIs: The Security Flaws Firewalls Can't Stop
Most API security discussions revolve around SQL injection, authentication bypasses, or remote code...
The Ultimate WordPress Security Checklist for 2026
Dev.to · xusteve 🔐 Cybersecurity ⚡ AI Lesson 1w ago
The Ultimate WordPress Security Checklist for 2026
The Ultimate WordPress Security Checklist for 2026 WordPress powers over 43% of all...
The Security Checklist Every Vibe Coder Needs Before Launch
Dev.to · kg8888 🔐 Cybersecurity ⚡ AI Lesson 1w ago
The Security Checklist Every Vibe Coder Needs Before Launch
You shipped something. It works. Users are signing up. And somewhere in your codebase, there's a...
I Ran Gitleaks Against My Own Repo and Found 12 Real Secrets
Dev.to · david 🔐 Cybersecurity ⚡ AI Lesson 1w ago
I Ran Gitleaks Against My Own Repo and Found 12 Real Secrets
A full-history gitleaks scan of a homelab repo that had been running for months turned up 12 distinct plaintext secrets — including an OIDC signing key. Here's
Front-Running and MEV: Writing Contracts That Don't Leak Money to the Mempool
Dev.to · Pavel Espitia 🔐 Cybersecurity ⚡ AI Lesson 1w ago
Front-Running and MEV: Writing Contracts That Don't Leak Money to the Mempool
When you submit a transaction, it sits in the public mempool before it is mined, visible to everyone....
Introducing AES Encryption: A Quick Tour
Dev.to · Goksel Yesiller 🔐 Cybersecurity ⚡ AI Lesson 1w ago
Introducing AES Encryption: A Quick Tour
Developers implementing client-side encryption face a fundamental challenge: correctly implementing...
Reverse once, run forever: designing client-side defenses that assume the attacker has already read every line
Dev.to · TrustSig 🔐 Cybersecurity ⚡ AI Lesson 1w ago
Reverse once, run forever: designing client-side defenses that assume the attacker has already read every line
There's a sentence every engineer in this field eventually says out loud, usually with a sigh: "But...
I built a macOS security tool that locks your secrets when you walk away
Dev.to · umbra 🔐 Cybersecurity ⚡ AI Lesson 1w ago
I built a macOS security tool that locks your secrets when you walk away
CHIMERA is an open-source macOS security "organism" — one local process orchestrating 8 native organs...
Stop Using Bearer Tokens Like House Keys: DPoP with Heimdall
Dev.to · Dimitrij Drus 🔐 Cybersecurity ⚡ AI Lesson 1w ago
Stop Using Bearer Tokens Like House Keys: DPoP with Heimdall
You've built an API. You protected it with OAuth 2.0. You're using JWTs. You feel secure. You're...
Less Noise, More Labs: How I Actually Learned RF Hacking This Year
Dev.to · v. Splicer 🔐 Cybersecurity ⚡ AI Lesson 1w ago
Less Noise, More Labs: How I Actually Learned RF Hacking This Year
Let me be honest with you. If you spend more time reading about RF hacking than actually doing RF...
Understand Authentication — NTLM vs Kerberos vs LDAP
Dev.to · Prem Kumar Santhanam 🔐 Cybersecurity ⚡ AI Lesson 1w ago
Understand Authentication — NTLM vs Kerberos vs LDAP
This blog provides an in-depth analysis of three popular authentication methods — NTLM, Kerberos, and...
KVKK, İYS, BİK: Turkish Software Compliance for Engineers (with PHP examples)
Dev.to · Mahmut Gündüzalp 🔐 Cybersecurity ⚡ AI Lesson 1w ago
KVKK, İYS, BİK: Turkish Software Compliance for Engineers (with PHP examples)
An engineer's guide to Turkey's three core compliance regimes — KVKK (data protection), İYS (commercial message registry), and BİK (news publishing) — with prac
I scanned a "vibe-coded" Python repo. Found 137 security bugs.
Dev.to · 문세환 🔐 Cybersecurity ⚡ AI Lesson 1w ago
I scanned a "vibe-coded" Python repo. Found 137 security bugs.
I scanned KaletoAI/anima-verse — a Python LLM project that literally says "Vibe-coded experiment" in...
Your Mind Is the First System Hackers Can Exploit
Dev.to · Sujala Vasanthasena Nelavai 🔐 Cybersecurity ⚡ AI Lesson 1w ago
Your Mind Is the First System Hackers Can Exploit
Why Cybersecurity Must Start With the Analyst — Not the Attack** 1. The Breach No One Talks...
Confidential Computing (SGX, SEV)
Dev.to · Aviral Srivastava 🔐 Cybersecurity ⚡ AI Lesson 1w ago
Confidential Computing (SGX, SEV)
Your Data's Secret Lair: Diving Deep into Confidential Computing (SGX & SEV) Ever get...
BEC Invoice Fraud Detection API: Stop Redirected Payments
Dev.to · Iurii Rogulia 🔐 Cybersecurity ⚡ AI Lesson 1w ago
BEC Invoice Fraud Detection API: Stop Redirected Payments
BEC invoice fraud costs $43B globally. Detect bank-account swaps in PDF invoices via structural forensics — no original file needed. API integration…