In 1997 she participated in a net art competition titled Extension organized by the Gallery of Contemporary Art, Hemburg Art Museum in Germany. Her Work titled "Female Extension" was linked to Cyberfeminism and was aimed to prove that male artists where favored in this genre.
Cornelia Sollfrank founded the organization Old Boys Network (OBN) along with artist groups 'frauen-und-technik' (Woman and Technique) and '-Innen' (Inside). OBN published First Cyberfeminist International in 1998 followed by next Cyberfeminist International in 1999. Women Hackers was an essay written to raise awareness about hackers and to the fact that there were no female hackers at that time.
In 2004 Cornelia Sollfrank's monograph titled "net.art generator" was published by Verlag für moderne Kunst Nürnberg.