Cybersecurity that scales with you

Senior cybersecurity guidance, clear priorities and practical next steps

Senior cybersecurity support for SMEs

At MicroHackers, SMEs and mid-sized businesses work directly with a senior consultant on cybersecurity consulting and virtual CISO engagements.

Pentesting, risk assessment and practical security plans help you prioritize the work that matters for your organization.

Ilustración isométrica de profesional de ciberseguridad gestionando dispositivos conectados desde un panel digital, representando los servicios de vCISO y consultoría de MicroHackers.

Cybersecurity led by Oscar Calvo Moldes

Explore Oscar’s professional background

Assess Your Cybersecurity Maturity

a cybersecurity maturity assessment form with questions on two-factor authentication and access control policies, set against a dark blue background with circuit patterns.

Free Cybersecurity Tools

Assess your cyber risk and asset criticality in minutes. No signup required.

Cybersecurity Risk Calculator

Based on the OWASP methodology. Enter your threat data and get an instant risk score that tells you where your organization stands.

Calculate Your Risk Score

Asset Criticality Calculator

Work out which of your assets matter most and where to focus your security budget. Prioritize based on real business impact, not guesswork.

Assess Asset Criticality
ultime guide to securing your iot devices

MicroHackers in the INCIBE Cybersecurity Catalogue

View the MicroHackers catalogue listing

Cybersecurity Insights & Tips

Reasoning in the Age of Artificial Intelligence

Simultaneous Visions by Umberto Boccioni

Lately, I often hear people asking: “Will Artificial Intelligence replace my job?” Perhaps you’ve had this thought too. More than…

Stop Email Phishing! 5 Powerful Protection Tips for 2025

phising-protection

Phishing attacks are rising fast in 2025, costing billions every year. In this guide, you’ll learn 5 proven email protection…

Vulnerable to Hackers? Protect Yourself from Insecure IoT Devices

protect yourself from insecure iot devices

In recent years, we have witnessed a rapid growth of Internet of Things (IoT) devices in our homes and workplaces.…

OWASP Top 10 Web Application Security Risks

OWASP Top 10 web application security risks

The OWASP Top 10 is a widely used awareness standard for the most important web application security risks. It gives…

Boost Your Cybersecurity with AI: Easy-to-Understand Guide

AI and cybersecurity

In our fast-paced digital world, staying safe online is a top priority. Let’s explore the dynamic duo of Artificial Intelligence…

Log4Shell (CVE-2021-44228): Complete Technical Guide to the Log4j Vulnerability

Illustration of a glowing digital globe under a magnifying glass, surrounded by binary code and cybersecurity icons, symbolizing the Log4Shell vulnerability (CVE-2021-44228), with futuristic city blocks and digital infrastructure in the background.

Log4Shell, CVE-2021-44228, is a critical vulnerability disclosed in December 2021 in affected versions of Apache Log4j Core. Under vulnerable conditions,…

Let’s make your digital space safer