Akamai Technologies, whose main business helps speed up content delivery over the Internet, reported a near 6% rise in quarterly revenue, helped by strong demand for its cloud security products.

The company’s net income fell to $76.00 million, or 43 cents per share, in the third quarter ended Sept. 30, from $88.04 million, or 49 cents per share, a year earlier.

Revenue rose to $584 million from $551 million.

Get Data Sheet, Fortune’s technology newsletter.

The company’s shares rose 6.3% in extended trading.