(Reuters) - Network security company FireEye Inc reported a larger adjusted loss, sending its shares down nearly 8 percent in after-hours trading.
The company's adjusted net loss widened to $40.5 million, or 35 cents per share, for the fourth quarter ended December 31, from $8.4 million, or 64 cents, a year earlier.
Revenue jumped 81 percent to $57.3 million.
FireEye's signature-less threat prevention technology helps businesses and governments detect and ward off malicious software.
The company's shares closed at $78.01 on the Nasdaq on Tuesday.
(Reporting By Lehar Maan in Bangalore; Editing by Sriraj Kalluvila)