KATARZYNA MATYJANKO
4disclosure
Control your data.
Core specializations

Privacy & data protection
- GDPR in real business contexts
- Privacy online
- EU and Polish data protection framework
- Practical application of data protection principles

Information security
- Information classification and access control
- Security governance and policies
- Standards and best practices
- Risk-based security approach

Data governance
- Data ownership and accountability
- Data lifecycle management
- User data awareness and control
- Business-driven governance models
KATARZYNA MATYJANKO
I specialise in privacy, information security and data management, particularly
in Finance and Tech. My work is grounded in education and experience across compliance, risk management and AI governance, helping people and organisations better understand modern threats and their technological context.
4disclosure was created to promote better understanding of data governance, data protection and information security – in a clear and accessible way.
Read more about my background → About me.

Contact Form
The Controller of your personal data is Katarzyna Matyjanko, the owner of the 4disclosure.com website. Personal data provided via the contact form is processed only to respond to your message and take any follow-up actions related to it.
You can find more information on the processing of personal data in the Privacy Policy.