Secret Service is the name of more than one artist:

1.) Swedish synthpop-group who had big hits in the 80's with the singles "Flash In The Night", "I'm So I'm So I'm So (I'm So In Love With You)" and "Don't You Know, Don't You Know". Front man Ola Håkansson later founded Stockholm Records.
Also known as Secret Orchestra.

2.) Punk band with female vocals, released a 5 track demo in 1999