Hackers who stole $81 million from Bangladesh's central bank have been linked to another cyber attack, this time on a bank in the Philippines, in addition to the 2014 hack on Sony Pictures Entertainment, cyber security company Symantec Corp says.

The SWIFT secure messaging service that underpins international banking says it is planning to launch a new security programme as it fights to rebuild its reputation in the wake of the Bangladesh Bank heist.

Two engineers of the Society for Worldwide Interbank Financial Telecommunication (SWIFT) starts investigation into their own system in the Bangladesh Bank.