Tech Skills

Cybersecurity

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

18,360
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 (11,448) Articles (5713)Blog Posts (4416)Tutorials (424)Research Papers (37)News (858)
The Letters You Send Today Could Be Read in 2035. Someone Is Already Saving Them.
Medium · Data Science 🔐 Cybersecurity ⚡ AI Lesson 2w ago
The Letters You Send Today Could Be Read in 2035. Someone Is Already Saving Them.
Somewhere right now, a government is collecting your encrypted data without breaking it. Continue reading on Medium »
LastPass says hackers stole customer data through a supply chain breach at Klue
The Next Web AI 🔐 Cybersecurity ⚡ AI Lesson 2w ago
LastPass says hackers stole customer data through a supply chain breach at Klue
LastPass is notifying customers that their personal information and customer support case data were stolen after hackers breached Klue, a competitive intelligen
ZDNet 🔐 Cybersecurity ⚡ AI Lesson 2w ago
The 10-step phone security tune-up you should run every year - and why
Don't let the most essential device in your life become a liability. Our one-hour wellness check will keep your phone secure for another year.
Wazuh Ansible Series Part 9: Custom Malware Detection with YARA Scheduled Scanning
Medium · DevOps 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Wazuh Ansible Series Part 9: Custom Malware Detection with YARA Scheduled Scanning
How I built a YARA scanning pipeline that catches what ClamAV misses — droppers, secret-exfil helpers, encoded launchers, and… Continue reading on Medium »
Reddit r/cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Feeling stressed and overwhelmed
Iwant to tell you that i am on cybersecurity 101 path in tryhackme and the thing is whatever i studied until room "Blue", ik what i studied but i couldn't memor
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 2w ago
MCP Server Security Audit 2026: 5 Real Community Server Reviews + Trap Patterns
Adding to my watchlist of AI dev tools. Quick rundown: MCP Server Security Audit 2026: 5 Real Community Server Reviews + Trap Patterns Audited 5 popular communi
npm Supply Chain RAT: PostCSS Impersonation & Dependency Confusion
Dev.to · Satyam Rastogi 🔐 Cybersecurity ⚡ AI Lesson 2w ago
npm Supply Chain RAT: PostCSS Impersonation & Dependency Confusion
Three malicious npm packages masquerading as PostCSS tools delivered Windows RAT payloads. Analysis of supply chain attack mechanics, payload delivery
O Perigo Silencioso das Portas Abertas: O que o mapeamento de rede revela sobre a sua superfície de…
Medium · Python 🔐 Cybersecurity ⚡ AI Lesson 2w ago
O Perigo Silencioso das Portas Abertas: O que o mapeamento de rede revela sobre a sua superfície de…
Por que desenvolver um Port Scanner do zero me ensinou mais sobre Risco e Governança do que rodar ferramentas prontas. Continue reading on Medium »
O Perigo Silencioso das Portas Abertas: O que o mapeamento de rede revela sobre a sua superfície de…
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
O Perigo Silencioso das Portas Abertas: O que o mapeamento de rede revela sobre a sua superfície de…
Por que desenvolver um Port Scanner do zero me ensinou mais sobre Risco e Governança do que rodar ferramentas prontas. Continue reading on Medium »
Reddit r/cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Valuation of Privilege Escalation Exploits through popular software on Windows
What's the valuation if I happen to find a Local Permission Escalation zero-day that allows a user to get admin/system Privilege using a popular software (Not c
Authentication Bypass & Information Disclosure in a Fortune 500 Consumer Goods Company’s External…
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Authentication Bypass & Information Disclosure in a Fortune 500 Consumer Goods Company’s External…
Author: Juliana Fragetti Rbeiro Lima Date: May 2026 Program: VDP (Vulnerability Disclosure Program) — Major Beverage Corporation… Continue reading on Medium »
Claude Code Security: What Every Developer Gets Wrong
Dev.to · MR SAJIB 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Claude Code Security: What Every Developer Gets Wrong
Last month, a developer cloned a GitHub repo and opened it in Claude Code. Before they even clicked...
Total System Dominance: Chaining RFID, Sub-GHz, and Infrared Exploits
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Total System Dominance: Chaining RFID, Sub-GHz, and Infrared Exploits
The amateur hits one vector. The professional chains them all and walks out before the alarm even thinks about ringing. Continue reading on Medium »
Kioptrix Level 1: My First Introduction to Pentesting
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Kioptrix Level 1: My First Introduction to Pentesting
How I pwned the Kioptrix Level 1 virtual machine! Continue reading on Medium »
The cybersecurity industry built a $200B business selling you problems. Nobody got paid to fix them.
The Next Web AI 🔐 Cybersecurity ⚡ AI Lesson 2w ago
The cybersecurity industry built a $200B business selling you problems. Nobody got paid to fix them.
Cybersecurity has never been better at finding risk. Organizations can identify vulnerable servers, dormant user accounts, excessive privileges, exposed cloud a
Chapter 5: The Honeypot Gambit
Dev.to · qanzhi111 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Chapter 5: The Honeypot Gambit
Alex races against a dead man's switch to drain Vector's honeypot contract. But the honeypot holds a secret — it's not a trap, it's a wiretap. And the evidence
Claude Code Security: Why the Real Risk Lies Beyond Code
Dev.to · Dwayne McDaniel 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Claude Code Security: Why the Real Risk Lies Beyond Code
Many cybersecurity professionals have been following Anthropic's announcement about the release of...
Here’s How I Make Windows a LOT More Private Out of the Box
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Here’s How I Make Windows a LOT More Private Out of the Box
A step-by-step guide to reducing what Windows 11 tracks Continue reading on Medium »
Securing React Native Apps: A Comprehensive DevSecOps Pipeline
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Securing React Native Apps: A Comprehensive DevSecOps Pipeline
Mobile app security is very different from web security. Continue reading on Medium »
How a Race Condition in a Loyalty Wallet Scored a $15,000 Critical Payout
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
How a Race Condition in a Loyalty Wallet Scored a $15,000 Critical Payout
We’ve all seen standard web vulnerabilities like cross-site scripting (XSS) or SQL injection. But some of the most lucrative bugs don’t… Continue reading on Med
CMMC Consultant vs. Compliance Software: How to Know What Your Organization Really Needs
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
CMMC Consultant vs. Compliance Software: How to Know What Your Organization Really Needs
Defense contractors are facing more pressure than ever to prove cybersecurity readiness without wasting time, overspending, or walking… Continue reading on Medi
Private Set Intersection: Finding What Two Parties Share Without Revealing the Rest
Dev.to · Haven Messenger 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Private Set Intersection: Finding What Two Parties Share Without Revealing the Rest
Private Set Intersection, usually shortened to PSI, is a protocol for two parties who each hold a set...
App Safety Red Flags: Warning Signs Users Shouldn’t Ignore
Forbes Innovation 🔐 Cybersecurity ⚡ AI Lesson 2w ago
App Safety Red Flags: Warning Signs Users Shouldn’t Ignore
A polished interface, strong rating or confident privacy claim can make an app look trustworthy, but those signals don’t always tell the full story.
IAM Fundamentals for GRC Professionals: Beyond 'Who Can Login
Dev.to · Massimiliano B. 🔐 Cybersecurity ⚡ AI Lesson 2w ago
IAM Fundamentals for GRC Professionals: Beyond 'Who Can Login
Introduction As someone transitioning from software development into GRC (Governance,...
IPVanish handed the FBI its user logs. The user had no idea.
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
IPVanish handed the FBI its user logs. The user had no idea.
In 2016, a VPN provider called IPVanish delivered detailed connection logs to federal investigators — timestamps, IP addresses, session… Continue reading on Med
My 14-Year-Old MacBook Still Works. Why Does Software Decide When Hardware Dies?
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
My 14-Year-Old MacBook Still Works. Why Does Software Decide When Hardware Dies?
A decade-old MacBook Pro reveals an uncomfortable truth: devices often become obsolete not because they stop working, but because software… Continue reading on
NIS2 vs DORA: Which EU Regulation Applies to Your SaaS Product in 2026?
Dev.to · Narendrasahoo 🔐 Cybersecurity ⚡ AI Lesson 2w ago
NIS2 vs DORA: Which EU Regulation Applies to Your SaaS Product in 2026?
If you build SaaS products and serve European customers, two major EU regulations are demanding your...
I'm Building a Code Security Analyzer. A Security Tool Found a Critical In It.
Dev.to · Stanislav Kremeň 🔐 Cybersecurity ⚡ AI Lesson 2w ago
I'm Building a Code Security Analyzer. A Security Tool Found a Critical In It.
I'm building a tool that's supposed to help check code. I call it vibeanalyzer for now. The idea is...
Reddit r/cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Mailing list for cves on random products I use?
Is there any way to basucally add a list of relatively obscure software (eg browser extensions) and be informed if a cve is exposed? I have a few browser extens
🚨 One Click, No Typing: How SearchLeak Weaponized Microsoft 365 Copilot
Dev.to · Alessandro Pignati 🔐 Cybersecurity ⚡ AI Lesson 2w ago
🚨 One Click, No Typing: How SearchLeak Weaponized Microsoft 365 Copilot
Imagine this: You receive a link to a document on a trusted microsoft.com domain. You click it, the...
Using Football Passwords Is A Huge Own Goal
Forbes Innovation 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Using Football Passwords Is A Huge Own Goal
Passwords containing football player or club names can be cracked in milliseconds, warn security researchers.
[Boost]
Dev.to · Patpum Hakaew 🔐 Cybersecurity ⚡ AI Lesson 2w ago
[Boost]
NAT Traversal: How It Works ...
Reddit r/cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
ShapedPlugin supply-chain attack backdoored Pro plugin updates, stealing credentials and 2FA secrets
Attackers backdoored ShapedPlugin Pro updates, deploying malware that steals credentials, 2FA secrets, and grants full site access. https://securityaffairs.com/
Reddit r/cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
BBC News: How 100 hospitals switched to pen and paper to defeat a national cyber-attack. New 10 min youtube doc about the massive hack that Romania coped with surprisingly well:
https://www.youtube.com/watch?v=WxY6aLRVgcI&t=204s submitted by /u/tides977 [link] <a href="https://www.reddit.com/r/cybersecurity/comments/1udc9ss/bbc_news
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Healthcare Data Security Under Pressure as Xsolis Breach Impacts 1.4 Million Individuals
The healthcare sector continues to face growing cybersecurity challenges as another large-scale data breach highlights the risks… Continue reading on Medium »
Intent Doesn’t Lie. How TIKOS® Stopped Every Prompt Injection
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Intent Doesn’t Lie. How TIKOS® Stopped Every Prompt Injection
How TIKOS® Stopped Every Prompt Injection In A Critical System Analysing LLM Internals. Continue reading on Tikos Tech »
Why Weak Passwords Still Win: Lessons from a Hydra Brute-Force Exercise
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Why Weak Passwords Still Win: Lessons from a Hydra Brute-Force Exercise
Cybersecurity is one of those fields where reading about attacks and actually performing them in a controlled environment are two… Continue reading on Medium »
The Hackers Hiding Their Commands in the Internet’s Phone Book
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
The Hackers Hiding Their Commands in the Internet’s Phone Book
A new backdoor called Dohdoor doesn’t connect to a suspicious server. Continue reading on Medium »
How to get a VPN free trial: Test risk-free before you buy
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
How to get a VPN free trial: Test risk-free before you buy
Want to test a VPN before paying? Learn how to get a free VPN trial, what to look for, and which providers offer the best free trials. Continue reading on Mediu
Who Caught Whom?
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Who Caught Whom?
On the morning of one of the blessed Fridays, I received a high-severity alert on the SIEM (Security Information and Event Management)… Continue reading on Medi
Tata Electronics breach claims to expose Apple and Tesla trade secrets
The Next Web AI 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Tata Electronics breach claims to expose Apple and Tesla trade secrets
A ransomware group says it lifted more than 630 gigabytes from the Indian manufacturer, including purported design files belonging to two of its biggest custome
Reddit r/cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Are open source EDRs any good?
Asking as a freelancer looking to offer monitoring services to clients. One of the things I want to do is be able to offer clients an EDR solution so I can moni
Meta pauses its employee mouse-tracking program over data-security fears
The Next Web AI 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Meta pauses its employee mouse-tracking program over data-security fears
The Model Capability Initiative, which logs mouse movements and keystrokes to train Meta’s AI, is on hold after sensitive staff data was left accessible to the
How to prepare a PCAP for vendor support without leaking the whole capture
Dev.to · 宛涵 🔐 Cybersecurity ⚡ AI Lesson 2w ago
How to prepare a PCAP for vendor support without leaking the whole capture
Packet captures are useful because they are specific. They are risky for the same reason. A raw PCAP...
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
From Isolated Indicators to Campaign-Level Scam Intelligence
Most scam response still begins with isolated indicators: a suspicious URL, a phone number, a fake profile, a screenshot, a… Continue reading on Medium »
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Top 10 Cybersecurity Best Practices Every Company Should Follow
Meta Title: Top 10 Cybersecurity Best Practices Every Company Should Follow Continue reading on Medium »
Build a Tiny Container Without Docker: Understanding Containers From First Principles (P3)
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Build a Tiny Container Without Docker: Understanding Containers From First Principles (P3)
A beginner-friendly but deep dive into building a mini Linux container using namespaces + cgroups Continue reading on Medium »
Are SQL Injection Vulnerabilities Absolete ?
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Are SQL Injection Vulnerabilities Absolete ?
SQL injection are genuinely one of those vulnerabilities that people keep predicting will die out — and it keeps refusing to. Bug bounty… Continue reading on Me