That's what it looks like. They were monitoring or getting data from SWIFT before, though. Just can't remember the details. I'd assume they can hack SWIFT, though, given SWIFT probably relies on tech they have 0-days in like most places. Just more monitoring that might catch them. Hopefully...
Back then SWIFT had two processing centers, one in EU and one in US. Traffic was replicated to both for resiliency. Later they opened up a new center in Switzerland to be able to keep European data in Europe.