India, June 18 -- Accenture shares dropped nearly 14% in premarket trading on Thursday after the consulting giant unveiled cybersecurity acquisitions worth $4.18 billion and issued a softer revenue outlook that fell short of market expectations.

The company trimmed its full-year revenue growth guidance to 3%-4%, down from the previously projected 3%-5% range. For the fourth quarter, Accenture expects revenue of between $17.75 billion and $18.4 billion, below analysts' consensus estimate of $18.47 billion, according to LSEG data cited by Reuters. The subdued forecast weighed on investor sentiment and sent the stock lower.

Accenture announced three cybersecurity deals worth a combined $4.18 billion. The company will take a majority stake ...