Below are the current official members of the Drupal Security Team.
See also the Provisional members of the team.
See also the Former members of the team.

The security team is an all-volunteer group of individuals who work to improve the security of the Drupal project. Members of the team come from countries across 4 continents including residents of Australia, Belgium, Canada, France, Germany, Ireland, Japan, the Netherlands, the United Kingdom, and the United States. The team draws members from consultancies, Drupal service providers, and Drupal's end-users including non-profit, for-profit and education. The team was formalized in 2005 with a mailing list and has had 3 team leads in that time period.