In the 1990s she maintained GnFido, a pioneering gateway run by non-profit ISP GreenNet, which used store and forward techniques to provide otherwise unavailable internet access for individuals and organisations across Africa, South Asia and Eastern Europe.GreenNet was a founder member of the Association for Progressive Communications (APC), and Banks was one of the founders of its Women's Networking Support Programme (WNSP) in 1993 and its coordinator 1996-2004. At the United Nations Fourth World Conference on Women in 1995 the WNSP provided web access and email for 10,000 delegates, many of whom had never seen a web page before. From 1998 to 2001 Banks coordinated APC's global Internet rights work in Europe, and she became network development manager in 2004. She is now APC's operations director.
- "2013 Inductees". Internet Hall of Fame. Retrieved 23 June 2016.
- "Karen Banks". Internet Hall of Fame. Retrieved 23 June 2016.
- "Finance, administration and human resources". Association for Progressive Communications. Retrieved 23 June 2016.
- "APC WNSP's Karen Banks Wins Anita Borg Award for Social Impact". Association for Progressive Communications. 5 October 2004. Retrieved 23 June 2016.
- "ABIE Award Winners, Social Impact: Karen Banks". Anita Borg Institute. Retrieved 23 June 2016.
- "Karen Banks: Board Member". Privacy International. Retrieved 23 June 2016.
- "Oxford Internet Institute Award". Oxford Internet Institute. Retrieved 16 November 2018.