Cybersecurity that scales with you
Senior cybersecurity guidance, clear priorities and practical next steps
Cybersecurity led by Oscar Calvo Moldes
Work directly with a senior consultant on pentesting, virtual CISO and cybersecurity consulting.
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.
Oscar Calvo Moldes leads the work, from defining scope to explaining findings and agreeing next steps.

Assess Your Cybersecurity Maturity

Do you know how secure your company really is?
Review your security practices with our free self-assessment questionnaire. It opens in Google Forms and requests your email address.
✔ Free self-assessment
✔ Opens in Google Forms
✔ Email address required
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 ScoreAsset 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
Free IoT Security Guide for Businesses & Startups
A no-nonsense guide to securing your IoT devices and avoiding the most common mistakes we see in the field. Written for SMEs and tech companies that work with connected hardware.
MicroHackers in the INCIBE Cybersecurity Catalogue
Cybersecurity Insights & Tips
Want to run a capable AI assistant locally, without sending every prompt to an external service?At MicroHackers, we help professionals…
In today’s digital age, where technology is deeply embedded in every aspect of our lives, the need for robust cybersecurity…
Blockchain is a set of technologies that allow a secure, decentralized, synchronized and distributed record of digital operations, without the…
Log4Shell is arguably the most severe vulnerability ever publicly disclosed. With a CVSS 3.1 score of 10.0 (Critical), it allows…
In today’s digitally interconnected world, the Internet of Things (IoT) is revolutionizing how we interact with technology. From smart homes…
In the realm of artificial intelligence, particularly in large language models (LLMs), the technique known as “jailbreaking” has begun to…
Let’s make your digital space safer
If you work with connected devices or handle sensitive data, let’s talk about how to keep it safe.






