Emergency Code 1
In the late 24th century, the term Emergency Code 1 was used aboard Federation starships in indicated an intruder alert on the bridge, that there were abductions, and injured. 

In 2366, Deanna Troi alerted security of an Emergency Code-1 while Kyril Finn, and a Rutian Ansata assault force stormed the , kidnapping Captain Picard, and shooting Lieutenant Worf. ()

Alerts