These SWIFT hacks seem to be increasing in frequency or they are being reported more ... either way it's just another symptom of the unreliability of the cobbled together legacy fiat system, it neither secures issuance or transfer and is simply antiquated and wholly unsuitable for the modern era.
The previous one was because of a bank using a $10 router with more holes in it than Swiss cheese to secure its network. Bitcoin only has one Gox worth hundreds of millions of dollars, the banks are getting a new one every few months.