Community involvement

Professional organisations


WICCA and Unixerius are very happy to announce the return of the WICCA Summer School!

Full information can be found here.

Tess presented at WICCON 2023. The slides are available here (9MB) or as smaller file (4MB), with less-pretty pictures. A recording was published by Cooper.


We believe in sharing knowledge and experience, which is why we encourage our team to share projects on Github. Unixerius also has its own Github account, here 👉

Tess runs a security awareness campaign, called The Pentest Fairy.

Donations and charities

We believe that wealth should be shared, which is why every month we donate to a number of charities on behalf of our employees.

We donate to:

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