What's the movie where the protagonists are debating how to infiltrate an apartment gate when a pair of Girl Scouts come along and just rake one hand across eve

What's the movie where the protagonists are debating how to infiltrate an apartment gate when a pair of Girl Scouts come along and just rake one hand across every room's buzzer button, and the door pops right open? Someone I worked with used to share the clip as a case study in opsec.