Martin Haller, A blog about corporate IT protection and management

Are you considering where to get certified? I bring my insight into IT certification MCSE, CCNP, ECSA, CHFI, OSCP. Training, exam, practical benefits, price.

Looking back at 2017. What interesting things have happened to us? And how has it influenced the further direction of our company PATRON-IT s.r.o.?

How I began to fulfill my dreams of traveling and spent most of my time of the last year abroad. Tips for digital nomadism.