Originally Posted by Jayson

What has changed is the desire of numerous countries (US, Australia for example) to crack down on this.

Combine that with the advances in computer software that lets them match data alot better.

More and more banks outside the US wont touch accounts that have a US citizen anyway associated with them because they dont want to deal with the data requests.

If you are tax resident in a country and spending money there then you should have paid tax on it.

If you are lucky you may get away with it for years, or you may not. The one thing it is not is 100% safe.