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Welcome to HäjySec

HäjySec is a group of volunteers that organizes various events to share information about Cyber Security. The goal is to make this information available for everyone regardless of gender, race, educational- or finanancial status. The events are organized to be free for all attendees, with the help of sponsors. The sponsors generally cater for the event, meaning they will offer us a venue and some snacks and beverages. In addition, the sponsors will get a short slot for an intro speak, where they can present themselves and their organization to the attendees. Most of the time a meetup will consist of two speakers from the Cyber Security community, to share knowledge and speak about experiences they have gained from their work or free time activities in the field of Cyber Security, thus sharing it with the attendees.

Upcoming Events

Discover and RSVP to our upcoming events here. Follow us on Twitter @hajysec and check out our main site hajysec.fi for more information.


What is CitySec?

CitySec is a movement operating under the Disobey umbrella. It encourages people from all over the world to organize local meetings to share knowledge about Cyber Security in their cities.


What is Disobey?

Disobey is the largest and most reputable Cyber Security conference in the Nordics. It supports various CitySec organizations in fostering a culture of knowledge sharing and communal growth in the field of Cyber Security.