
Phishing
Protect your finances against fraud on the internet.
A free trial, or free demo version, is a service that offers you various apps and internet portals conditional on you registering your card. The terms and conditions usually state that it is a free service for a certain period and once this period expires, a certain amount will be deducted regularly (monthly or annually).
Protect your finances against fraud on the internet.
Protect your card details from attacks by internet fraudsters.
Make sure it is actually your supervisor or colleague you are communicating with.