Tech Skills
Cybersecurity
Ethical hacking, penetration testing, network security, CTFs and defensive security
Skills in this topic
9 skills — Sign in to track your progress
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
Medium · Programming
🔐 Cybersecurity
⚡ AI Lesson
32m ago
My Rate Limiter Only Checked IP Addresses. One VPN Bypassed It and Took Down My API.
I thought I was being clever. I was just being cheap. Continue reading on Medium »
Dev.to AI
🔐 Cybersecurity
⚡ AI Lesson
23h ago
AI Security Log Auditor
AI Security Log Auditor Manual log triage takes 15+ minutes and misses stealthy bursts. This dashboard ingests raw Syslog/Nginx/auth.log/Suricata logs, redacts
Dev.to AI
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Why Provider Fallback Needs a Failure Taxonomy
Most provider fallback systems start with a model list: primary model → backup model → another backup model. That is useful, but it is not enough. The hard part
Dev.to AI
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Treat Your Agent's Free Server Like a Compromised Machine
Last week a developer I know ran a routine refactor through a coding agent on a free remote server. The agent finished, the diff looked clean, and the commit wa

Medium · Programming
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Vibe-Coded Apps Are Leaking Bank Account Numbers and API Keys Right Now. Here’s the Actual Data.
In January 2026, an AI social network called Moltbook launched. Its founder had built the entire thing using AI coding assistants, writing… Continue reading on

Medium · AI
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Remember Email Security?
Email Security in 2026: Old Threat, New Excuses — and Why XDR Changes the Math Continue reading on Medium »

Medium · AI
🔐 Cybersecurity
⚡ AI Lesson
2d ago
Choosing an IAM Platform Is the Easy Part. Operating It Is Where the Work Begins.
Identity and Access Management has become one of those areas where every product page looks convincing. Continue reading on Cyber Security Write-ups »
Dev.to AI
🔐 Cybersecurity
⚡ AI Lesson
2d ago
Why One-Star VPN Reviews Usually Start Before Support Gets Involved
A one-star VPN review may look like a customer-service problem by the time it reaches an app store, but the failure often started somewhere entirely different.

Medium · Programming
🔐 Cybersecurity
⚡ AI Lesson
2d ago
Our DNS Failover Took 18 Hours to Actually Reach Half Our Users
The failover itself worked exactly as designed. That’s the detail that made this incident so hard to explain to leadership afterward… Continue reading on CodeX

Medium · Programming
🔐 Cybersecurity
⚡ AI Lesson
2d ago
Our SSL Certificate Expired at 2 AM. Nobody Had It on Any Calendar.
ERR_CERT_DATE_INVALID Continue reading on Javarevisited »
Dev.to AI
🔐 Cybersecurity
⚡ AI Lesson
2d ago
Google Will Now Erase Your Leaked ID From Search. Your Face Is Already Gone.
Google's expanded ID de-indexing tools address search visibility, but the underlying biometric pipeline vulnerabilities remain unpatched in modern verification
Dev.to AI
🔐 Cybersecurity
⚡ AI Lesson
2d ago
trustmcp: a pre-install security scanner for MCP servers (and a calibration bug I found in my own tool while building it)
Depending on which audit you read, somewhere between 38% and 46% of public MCP servers have no authentication at all. Kai Security AI's scan of 518 registry ser

Medium · Programming
🔐 Cybersecurity
⚡ AI Lesson
3d ago
Opening a Repo Can Now Run Malware Before You Type npm Install
For as long as I have been pulling other people’s code, I have leaned on one quiet assumption: cloning a repo is safe. You clone, you poke… Continue reading on
Dev.to AI
🔐 Cybersecurity
⚡ AI Lesson
3d ago
PlayStation Now Wants Your Kid's Face Before It Sells Them a Game
Explore how regulatory shifts are forcing biometric checks into production checkout flows to understand the engineering challenges behind recent platform update
Dev.to AI
🔐 Cybersecurity
⚡ AI Lesson
3d ago
That Green "Verified" Checkmark? Some Accounts Opened With Just One Letter
Explore the technical fallout of flawed identity verification pipelines in the wake of regulatory findings that exposed critical identity gaps across regulated
Dev.to AI
🔐 Cybersecurity
⚡ AI Lesson
3d ago
If your MCP server uses OAuth, every directory thinks it has zero tools
We shipped a remote MCP server, registered it everywhere, and then noticed something odd: every directory listed it as having no tools at all . Not the wrong to

Medium · AI
🔐 Cybersecurity
⚡ AI Lesson
4d ago
Smart Physical Security for Banks: Building Safer and More Resilient Banking Environments
Banks handle valuable assets, confidential information, critical documents, and large volumes of customer activity every day. As banking… Continue reading on Me
Dev.to AI
🔐 Cybersecurity
⚡ AI Lesson
4d ago
Video Management System: Smarter Ways to Manage Modern Video Surveillance
Security cameras have become an essential part of modern security infrastructure. Today, businesses, industrial facilities, warehouses, solar farms, commercial
Dev.to AI
🔐 Cybersecurity
⚡ AI Lesson
5d ago
A Snowflake CI/CD Flaw Was Live for Five Days — Then an Autonomous Agent Found It
On August 17, 2026, Wiz Research disclosed that its autonomous security tool, "Red Agent," found and exploited a script-injection vulnerability in one of Snowfl
Dev.to AI
🔐 Cybersecurity
⚡ AI Lesson
5d ago
Why an Open-Source AI Pentester Should Prove Vulnerabilities, Not Just Predict Them
Security automation has a credibility problem: finding a suspicious pattern is easy; proving that it creates real impact is much harder. Traditional scanners ar
Dev.to AI
🔐 Cybersecurity
⚡ AI Lesson
5d ago
A Security Checklist for Remote MCP Servers
An MCP server is a trust boundary wearing a JSON-RPC costume. Point an agent at one and you're handing it a list of callable actions, described in natural langu
Medium · Programming
🔐 Cybersecurity
⚡ AI Lesson
5d ago
What Is a Bitcoin Node?
The quiet computers that help Bitcoin remain honest, decentralized, and independent. Continue reading on Medium »

Medium · Programming
🔐 Cybersecurity
⚡ AI Lesson
5d ago
PATH Hijacking—Linux Privilege Escalation: Basics TryHackMe Walkthrough
Hello everyone! In today’s write-up, we’ll explore Linux privilege escalation through PATH Hijacking and understand how a… Continue reading on Medium »

Medium · AI
🔐 Cybersecurity
⚡ AI Lesson
6d ago
Why Pessimism Can Be A Strong Cybersecurity Approach
When it comes to keeping a company secure, it is vital to consider a highly non-technical element — human optimism — as both an asset and… Continue reading on T

Medium · Programming
🔐 Cybersecurity
⚡ AI Lesson
6d ago
Everyone secures the MCP tool call. The leak is in tools/list.
An agent that will never be allowed to run a tool still gets its name, its description, and its full argument schema. Continue reading on Medium »
Dev.to AI
🔐 Cybersecurity
⚡ AI Lesson
6d ago
Cybersecurity from Zero to Hero #4: Passwords and Hashing, or Why a Good Site Cannot Tell You Your Own Password
Welcome back to Cybersecurity from Zero to Hero, the series where I learn security from scratch and write it down while the confusion is still fresh. In post th
Dev.to AI
🔐 Cybersecurity
⚡ AI Lesson
6d ago
Cybersecurity from Zero to Hero #3: Authentication vs Authorization, or Why the Bouncer Checks Your ID Twice
Welcome back to Cybersecurity from Zero to Hero, the series where I learn security from scratch and write it down while the confusion is still fresh. In post tw

Medium · Programming
🔐 Cybersecurity
⚡ AI Lesson
6d ago
Microsoft Just Patched 751 Vulnerabilities. Developers Should Care About 23 of Them.
This month’s security update wasn’t just about Windows — 23 vulnerabilities hit Microsoft’s developer tools, including .NET and Visual… Continue reading on Medi
Medium · Programming
🔐 Cybersecurity
⚡ AI Lesson
6d ago
SSRF
SSRF stands for Server Side Request Forgery Continue reading on Medium »
Dev.to AI
🔐 Cybersecurity
⚡ AI Lesson
6d ago
Cyberhaven Adds Four Executives to Scale Enterprise Data Security Business – citybiz
Originally published on Progressino By the Strategy Desk at Progressino Editor's note: This article explores Cyberhaven Adds Four Executives to Scale Enterprise

Medium · AI
🔐 Cybersecurity
⚡ AI Lesson
6d ago
Why Security Breaches Rarely Start With Hackers
When most people picture a corporate cyber breach, they imagine a hooded hacker in a dark room typing complex lines of code to bypass… Continue reading on Mediu
Dev.to AI
🔐 Cybersecurity
⚡ AI Lesson
6d ago
localhost Was Fine, Production Wasn't: A CORS Debugging Retrospective for a Deployed AI Chat Widget
Last week I built a small streaming chat widget against MonkeyCode's free model tier, tested it locally until the responses felt instant, and deployed the stati

Medium · AI
🔐 Cybersecurity
⚡ AI Lesson
1w ago
The file was never the leak. The paste was.
You encrypt a contract, send it through a link that expires, feel good about it. Twenty minutes later the recipient pastes the whole thing… Continue reading on

Medium · AI
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Your Salesforce Security Model Is Probably Outdated — Here’s Why Nobody Noticed
The access that made sense in year one is silently creating risk in year three. And nobody flagged it because nothing broke. Continue reading on Medium »
Medium · Programming
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Network Segmentation
Network segmentation is a cybersecurity technique that divides a large network into smaller separate sections called segments Continue reading on Medium »
Dev.to AI
🔐 Cybersecurity
⚡ AI Lesson
1w ago
"Through the Door I Never Saw: A Journey Into Cybersecurity"
I never imagined cybersecurity would become part of my life. For years, it felt like a world meant for other people — people who grew up technical, people who u

Medium · Programming
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Your Browser Can Now Ransom Your Files Without Installing Malware
I did not expect to spend a weekend proving that the tab I use to check the weather can also hold my photos hostage. But here we are. Continue reading on Level
Dev.to AI
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Microsoft 365 Copilot's SearchLeak (CVE-2026-42824) Exposes Enterprise Data via One-Click Vulnerability
🔗 Live Dashboard: autonomous-portfolio-2026.live 📢 Telegram: t.me/AII2026futher Today's Headlines Varonis Threat Labs identified 'SearchLeak' (CVE-2026-42824)
Dev.to AI
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Case Study: ThreadSanitizer Had Final Say on a Free Model's C++ Cache
The problem A thread-safe LRU cache is a compact component. That makes it attractive to generate with an AI model: one header, one implementation file, one afte
Dev.to AI
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Wget CTF: From Port Enumeration and Secret Keys to Root Privileges via Wget GTFOBins
Hello, tech enthusiasts and cybersecurity hobbyists! In this write-up, we will walk step-by-step through how we successfully penetrated and seized full control

Medium · AI
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Email Security Testing Explained | Complete Penetration Testing Walkthrough
Email remains one of the most important communication systems in modern organizations — and one of the most attractive targets for… Continue reading on Medium »
Dev.to AI
🔐 Cybersecurity
⚡ AI Lesson
1w ago
The meeting-notes app my boss wanted us to trial uploaded every word. I said no.
My boss found this slick meeting-notes app. It does what every team meeting tool does now — joins your calls, transcribes them, writes minutes, hands back actio
Dev.to AI
🔐 Cybersecurity
⚡ AI Lesson
1w ago
SafePal Order Data Leak Exposes 39,798 Users to Targeted Phishing Risks
🔗 Live Dashboard: autonomous-portfolio-2026.live 📢 Telegram: t.me/AII2026futher Today's Headlines SafePal's third-party order-tracking plug-in flaw exposed da
Medium · AI
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Why Every Business in the UAE Needs an ISO 27001 Audit Dubai Experts Trust
In today’s digital-first economy, information security is no longer optional — it’s a business necessity. Companies across the UAE are… Continue reading on Medi
Medium · AI
🔐 Cybersecurity
⚡ AI Lesson
1w ago
The Virtual Border: How Cyber Warfare Threatens the Sovereignty of Developing Nations in North…
Introduction In the 21st century, warfare is no longer confined to land, sea, and air. The digital frontier has emerged as a silent cyber… Continue reading on M

Medium · Programming
🔐 Cybersecurity
⚡ AI Lesson
1w ago
10 Authentication Assumptions Attackers Want You to Make
Authentication fails when an application proves identity once and then continues trusting that proof long after the surrounding conditions… Continue reading on

Medium · Programming
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Your Android App Stores the Login Token Where Any Root Shell Can Read It. Here Is the File.
SharedPreferences writes your JWT to an XML file in the app’s private directory. On a rooted device, reading it takes one command. Continue reading on Medium »

Medium · Programming
🔐 Cybersecurity
⚡ AI Lesson
1w ago
The Internet Almost Became a Menu
In 1993, it grew 997% and was beating the Web. Eighteen months later it was gone — The cause of death is written into RFC 1436. Continue reading on IT Chronicle
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