The latest Tolly Report showcases BlackBerry's ability to deliver the best defense and lowest system impact WATERLOO, ON, May 6, 2024 /PRNewswire/ -- BlackBerry Limited (NYSE: BB; TSX: BB) today announced the results of a commissioned study by The Tolly Group – a highly reputable independent test lab and provider of third-party validation services for the tech industry – showing that the company's CylanceENDPOINT™ solution blocked the most attacks while using fewer system resources, thus minimizing the disr ...