Can't access Destiny 2 game, have message about losing connection to servers, or no permission to access online multipleplayer games. The last part about account being accessed elsewhere not possible, no one has sign-in info. Please correct this problem, have no other issues with other apps accessing the net.
PSN servers are having issues. You can check their own site for info. Always check the platform support sites first, to see if there’s server/network issues for your respective platform.