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

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…

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.

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,…

The Future of Digital Security: Passwordless Authentication

passwordless

In an increasingly complex and connected digital world, the security of our personal and corporate data is a constant concern.…

Who Are Hackers? Understanding Different Hacker Types

Realistic image of a hacker sitting cross-legged in a futuristic digital environment filled with green code, representing the different types of hackers and their roles in cybersecurity.

In the ever-evolving landscape of cybersecurity, hackers play a pivotal role, often portrayed as enigmatic figures operating in the shadows…

Connected-Car Security: Services, Data and Practical Risks

Car IoT and Security

Connected-car services link vehicles with applications, manufacturers and supporting infrastructure. This article originally discussed market forecasts based on 2020 data;…

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