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…

What is Cybersecurity? Definition, Types, Threats & Best Practices (2026)

que-es-ciberseguridad

Cybersecurity is the practice of protecting computer systems, networks, devices, and data from unauthorized access, cyberattacks, and damage. In an…

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…

Pentesting for SMEs: Protect Your Business from Cyber Threats

pyme pentesting

In an increasingly digital world, the importance of cybersecurity cannot be overstated. While large corporations often grab the headlines when…

What is encryption and why is it important?

what is encryption and why is important

Encryption transforms readable data into ciphertext using a cryptographic algorithm and a key. Its main purpose is confidentiality: someone who…

Innovating Cybersecurity: A Visionary Journey with MicroHackers’ Founder

microhackers who we are

An early reflection on founding MicroHackers: helping small and medium-sized organisations improve cybersecurity with practical, accessible support.

Let’s make your digital space safer