BlackBerry Ltd. on Saturday announced that its Secusmart division had released a new tablet meant for operations in which special security standards are required. The device is called the SecuTablet, BlackBerry said in a press release. It said it collaborated with International Business Machines (IBM) Corp. and Samsung Electronics Co. Ltd. on the machine, which is tailored toward "national and international public sector markets and enterprises." “National and international government customers have entrusted their voice and data communications with the Secusmart security...