Small firms (like conveying firms) are the biggest target of money transfer scams due to their lack of cyber security. The homebuyer receives an email from the conveyancer’s email address, asking for transfer of funds for home purchase, unknowingly the bank account details are not correct and the funds are scammed.

https://www.theaustralian.com.au/business/technology/homebuyer-duped-by-hacked-email/news-story/736ca7aede083f417a38d0d8e6c7c286