Career
She is a former coordinator of LinuxChix. She speaks out against "the social norms and beliefs of a minority of contributors who are not interested in women as colleagues or who do not believe women have the capability to successfully contribute". Gardiner has been involved with drafting and adopting anti-harassment policies for technology conferences.
She was commended for her work to improve gender diversity and oppose sexual harassment in the open-source software community.
She was the keynote speaker at Wikimania 2012, which was held 12–15 July 2012 in Washington District of Columbia. In 2012, Gardiner was listed as one of the 10 Women in Technical Who Give Back by Datamation and one of the most influential people in computer security by South Carolina Magazine.