Other than the Singapore Straits Times, Bangkok Post also confirmed the data has been tampered with:
“This wrongdoing took place in Singapore,” he said, adding that police found traces of the data being tampered with by the buyer. http://bangkokpost.com/news/general/625384
Singapore’s Straits Times have more information on Thailand police’s press conference on Xavier Justo.
1) Some of the 10 persons identified by Justo and Thai Police include UMNO or BN members
2) The data on the *Sarawak Report) blog has been TAMPERED WITH to discredit PM Najib.
3) Money Laundering had also occurred in Singapore and Singapore Police will have jurisdiction to file charges too.
http://www.straitstimes.com/asia/se-asia/ex-petrosaudi-exec-fingers-malaysians-in-1mdb-scandal