Helix Kitten
| بچه گربه هلیکس | |
| Formation | c. 2004–2007 | 
|---|---|
| Type | Advanced persistent threat | 
| Purpose | Cyberespionage, cyberwarfare | 
| Methods | Zero-days, spearphishing, malware | 
| Official language  | Persian | 
| Affiliations | APT33 | 
| Formerly called | APT34 | 
Helix Kitten (also known as APT34 by FireEye, OILRIG, Crambus, Cobalt Gypsy, Hazel Sandstorm, or EUROPIUM) is a hacker group identified by CrowdStrike as Iranian.