Bagle (computer worm)
| Bagle | |
|---|---|
| Alias | Beagle, Bagle.A, Bagle.B, Bagle.C, Bagle.D, Bagle.J, Bagle.Z | 
| Type | Computer worm | 
| Subtype | Trojan | 
| Isolation date | January 18, 2004 | 
| Technical details | |
| Size | Varies upon type | 
Bagle (also known as Beagle) was a mass-mailing computer worm affecting Microsoft Windows. The first strain, Bagle.A, did not propagate widely. A second variant, Bagle.B, was considerably more virulent.