# Intrusion Detection System IDS commonly expands to intrusion detection system, but the notebook phrase “IDS Package file” may instead name a vendor-specific package or file type. ## Source - [[Scanned_20260730-1806#Page 7 — `Scanned_20260730-1806.pdf`, PDF page 7|Scanned_20260730-1806, PDF page 7]] Do not apply the generic expansion to the source quotation without locating the original extension database or file.