NetScout Systems, Inc. revised earnings guidance for the fiscal year 2023. For the year, revenue (GAAP and non-GAAP) is expected to be in the range of $905 million to $915 million, compared to the previous range of $895 million to $925 million and GAAP net income per share (diluted) is expected to be in the range of $0.71 to $0.75, compared to the previous range of $0.62 to $0.68.