Which company did Robert Herjavec sell to AT&T in 2000?

Robert Herjavec sold BRAK Systems to AT&T in 2000.

BRAK Systems was a Canadian internet-security company founded by Herjavec. It developed security services and products during the rapid expansion of internet connectivity and corporate networks in the 1990s.

AT&T acquired BRAK Systems in 2000, and Herjavec became involved with AT&T Canada after the transaction. The sale established his reputation as a technology entrepreneur before his later public career as a Shark Tank investor.

This company is sometimes confused with Herjavec Group, the cybersecurity firm he founded later. BRAK Systems was his earlier venture; Herjavec Group was established in 2003 and grew into a separate cybersecurity business.