Are you sending sensitive and confidential documents by email and thinking that the risks are not worth worrying about?
Worse still, are you asking your clients to send copies of ID documents (driving licences, passports, bank statements) by email to you for checking and filing?
Email is not secure! Alpha Legal is. Here is yet another report of an email server being compromised and an organisation suffering as a result: https://grahamcluley.com/merseyrail-ransomware/