Where can I buy crypto in Australia?

As a cryptocurrency enthusiast in Australia, I'm curious to know the most reliable and convenient avenues to acquire digital currencies. Could you elaborate on the various platforms and exchanges available in our country that offer a secure and straightforward process for purchasing cryptocurrencies? Additionally, are there any specific regulatory considerations or guidelines I should be aware of before making such transactions? It's important for me to ensure I'm adhering to local regulations and safeguarding my investment.