The FCA has warned firms about their 'off-channel' communications, which could include mobile phone calls and emails, after its review showed that staff at most firms breach internal policies.

The FCA has defended its plans to delete emails after one year and denies it is trying to hide evidence and avoid scrutiny.

To delete or not delete (emails) - that is the thorny question the FCA has had to face and a move which forced one of its senior execs to defends its email deletion plans this week.