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

Don’t Get Hacked! Essential IoT Security

Essential IoT Security

In the ever-evolving landscape of technology, the Internet of Things (IoT) has emerged as a pivotal innovation, seamlessly integrating physical…

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…

GPT-4, GPT-4o and GPT-4.5: Historical Overview and Security

chatgpt

This is a historical overview of GPT-4 and the GPT-4o and GPT-4.5 developments discussed in 2023–2025. It is not a…

Cybersecurity Companies in Spain: List and How to Choose

Top Cybersecurity companies in Spain

Spain has become one of the most dynamic cybersecurity hubs in Europe, with companies leading in areas such as industrial…

What Was Kit Digital? Programme History and Existing Awards

kit digital

Kit Digital was a Spanish aid programme supporting the digitalisation of eligible businesses and self-employed people, funded through NextGenerationEU. This…

OWASP Top 10 for LLMs (2025) | AI Security Guide for Large Language Models

owasp llm top 10

Artificial intelligence is reshaping how software is built and used — but with great power comes significant security risk. Large…

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