** Shares of cybersecurity service provider CYBA CYBAC.L
up as much as 37.3% at 1,785p, set to record their best day, if
gains hold
** Co says its unit signed its first commercial contract for
its Threat Intelligence for Grid Recovery products
** CYBAC says the contract is between its unit Narf
Industries and a large U.S.-based multi-state natural gas
utility
** Co says contract will help it to expand into newer
markets such as Oil and Gas Distribution
** Stock hits its highest levels in one month
** Including session's gains, stock up 17.7% YTD
(Reporting by Sinchita Mitra in Bengaluru)
((Sinchita.mitra@thomsonreuters.com))