Blog
Blog
Technical notes on systems, networks, cybersecurity, AI and development.
5 Cybersecurity Certifications You Should Know
Learn about the 5 most important and globally recognized certifications in the cybersecurity sector to boost your professional career
What DBTune is and what it's for
PowerShell scripts for SQL Server optimization.
What ShopDash is and what it's for
Ecommerce dashboard template with i18n and charts.
What Cripto Trading Bot is and what it's for
Trading bot with technical analysis and backtesting.
What Securove is and what it's for
Editorial web/platform with CMS and E2E tests.
What ViralForge is and what it's for
Content CMS for growth and social media.
What EmprendeIA is and what it's for
SaaS landing with pricing and a Telegram bot.
What Chollazo is and what it's for
Deals aggregator with votes, alerts and subscription.
What Academia Online is and what it's for
Course platform: LMS + store + subscriptions.
What Plataforma Pro is and what it's for
Digital income hub with an AI Advisor.
What Praxis is and what it's for
Internship management: CRM + LMS + multichannel inbox.
What NexusCloud is and what it's for
Multi-tenant fleet security with an agent.
What NexusComply is and what it's for
Automated regulatory compliance (GDPR/NIS2).
What Nexus OSINT Suite is and what it's for
OSINT tool in a single HTML, 100% offline.
What SiteCheck · CRM is and what it's for
Consulting CRM with a web security analyzer.
What IngresosTrack is and what it's for
Native mobile income tracker for creators.
What OposIA is and what it's for
AI bot for public-exam preparation.
What Kairos is and what it's for
AI Telegram assistant for everyday life.
What GRID is and what it's for
Operations platform for IT and cybersecurity services.
What Nexus Intel Suite is and what it's for
Cross-platform desktop OSINT suite.
What Citaly is and what it's for
Multi-tenant appointment booking SaaS.
What CiberForja is and what it's for
Cybersecurity CMS and tools suite.
What Nebula Kit is and what it's for
CRM starter kit with VeriFactu-ready invoicing.
What Nebula Console is and what it's for
Premium SaaS dashboard starter kit for IT consulting.
What Contalia is and what it's for
Accounting ERP with VeriFactu-compliant invoicing (AEAT).
What CertPath is and what it's for
Certifications and career roadmaps platform.
What NexusBench is and what it's for
Infrastructure load and performance testing.
5 Steps to Strengthen Cybersecurity in Your SME
Learn to protect your business from cyber attacks with these simple steps
Open-Source Intelligence (OSINT): A Powerful Tool for Cybersecurity
OSINT is a technique that allows for the collection of valuable information from open sources to improve the cybersecurity of organizations.
Introduction to Linux for Small Businesses and Freelancers
Learn to leverage the potential of Linux for your business with this practical and easy-to-follow guide
Active Directory: The Heart of Authentication in Your Company
Active Directory is the most widely used authentication and authorization system in companies to manage access to network resources and services
Cryptography: Key to Online Security
Cryptography is a fundamental tool for protecting information online and ensuring the privacy and integrity of data.
Deploying a Next.js app with a database (Vercel + Neon)
A simple, free recipe to put a full-stack application online with its database.
Automating tasks on Windows with PowerShell
What you do by hand once is fine; what you do by hand every week, automate it.
VPN: remote access vs. site-to-site
Not all VPNs serve the same purpose. Choosing well avoids performance and security problems.
HTTP security headers you should have
A few well-set headers stop common attacks and improve your score in any web audit.
Introduction to OSINT: open source intelligence
Much of the information used in an audit or investigation is public. OSINT is knowing how to find it.
The 3-2-1 backup rule
The difference between a scare and a catastrophe is almost always a backup that actually existed.
Segmenting the network with VLANs: why and how
Having everything on the same flat network is convenient… until something gets infected. VLANs limit the damage.
Basic hardening of a Linux server
The first steps to make a Linux server reasonably secure before putting it into production.
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