The online world can be a dangerous place and so it is wise to be well acquainted with those risks and how to mitigate them. If you are new to renting bikes online (or even if you've been doing it for years
The UK government has some useful resources (which should be applicable wherever you are located)
For small & medium-sized organisations and others: Phishing attacks: defending your organisation - How to defend your organisation from email phishing attacks. https://www.ncsc.gov.uk/guidance/phishing
For small & medium-sized organisations and others: Board toolkit: five questions for your board's agenda - https://www.ncsc.gov.uk/guidance/board-toolkit-five-questions-your-boards-agenda
Cyber Security Professional: Email security and anti-spoofing - A guide for IT managers and systems administrators https://www.ncsc.gov.uk/collection/email-security-and-anti-spoofing
See Also