LONG BEACH, Calif. — The Blackberry was a status symbol 15 years ago. It was iconic enough that a new U.S. president was concerned he wasn’t going to be able to keep his.
Alas, Apple and others knocked BlackBerry off its cellphone perch and the company pivoted. With that much knowledge of software and, in particular, secure communications — which was always a strong Blackberry selling point — the company became a supplier of software that specialized in cybersecurity.
But it also got into the...