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

Cybersecurity Myths: Evidence, Limits and Practical Controls

cybersecurity myths

Cybersecurity myths can lead to poor decisions in homes and businesses. The useful question is what evidence and controls fit…

Office 365 Login Security Risks: Tips to Stay Safe

office hacker

In the digital age, where information is at our fingertips, the search engine has become an integral part of our…

IoT Communication Protocols for Cybersecurity (2025 Guide)

Futuristic graphic showing 'Secure IoT Communication Protocols | Updated for 2025' with glowing cybersecurity icons like padlocks, cloud, fingerprint shield, and network nodes on a digital circuit background

This guide was originally presented as a 2025 edition. It introduces IoT messaging and communication protocols; choosing one does not…

ChatGPT and Cybersecurity: Use Cases, Limits and Safeguards

ChatGPT and cybersecurity: use cases, limits and safeguards

Generative AI can support cybersecurity teams, but it is not an autonomous security control. Its value comes from helping people…

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…

Online Security Tips: Accounts, Updates and Recovery

Essential Tips to Stay Safe Online

Online security depends on repeatable habits, appropriate controls and a recovery plan. This reviewed guide replaces the dated 2025 edition…

Let’s make your digital space safer