** U.S.-listed shares of cybersecurity company BlackBerry BB.TO, BB.N rise 6.9% to $4.63 in U.S. extended trading
** Company expects total fiscal 2026 revenue to be between $508 mln and $538 mln, compared with prior forecast of between $504 mln and $534 mln
** BlackBerry reported total revenue of $121.7 mln for Q1 vs $123.4 mln a year earlier
** Company expects FY26 revenue for secure communications unit to be between $234 mln and $244 mln, compared with prior projection of between $230 mln and $240 million
** Up to last close, stock had rise 14.6% YTD
(Reporting by Harshita Mary Varghese in Bengaluru)
((HarshitaMary.Varghese@thomsonreuters.com))