Made to be Broken by Robert White

Rick Fuller is a broken man. For over a year, he has spent his waking hours drinking in the seedy bars of Pattaya, tortured by guilt and tormented by what might have been.
That is until the beautiful and enigmatic MI6 agent, Harriet Casey walks into the Cha Cha Saloon with a picture of him on her phone, a computer program stolen from Russian gangsters and a plane ticket back to Manchester, where his old friend and ally Des Cogan is waiting for him.
Intrigue, cross and double cross, push Rick and his new team deeper than ever before into the dangerous world of political espionage. As the bullets fly and the body count rises, time is running out for them to return the mysterious program back into the right hands.
But just whose hands are they?