Shearman & Sterling represented Twitter, Inc. in its acquisition of internet security firm Dasient, Inc. The terms of the transaction were not disclosed.

Twitter is a communication platform allowing people across the world to interact instantly through "tweets." Dasient is a company focused on solving web-scale security problems involving malware and other types of online abuse.

The Shearman & Sterling team included partners Steve Camahort (San Francisco-Mergers & Acquisitions) and Dana Kromm (San Francisco-Mergers & Acquisitions) and associates Flavio Averbug (San Francisco-Mergers & Acquisitions) and Christine Huang (San Francisco-Mergers & Acquisitions) and also included partners Larry Crouch (Palo Alto–Tax), Doreen Lilienfeld (New York-Executive Compensation & Employee Benefits), and Samuel Waxman (New York-Intellectual Property Transactions) and associates Zheng Bao (Palo Alto-Intellectual Property Transactions), Anil Kalia (Palo Alto-Tax) and Tim Hanson (New York–Executive Compensation & Employee Benefits).