History

Priority

recommended

Mar 2019

Removed

Security control 1022 was removed.

Feb 2019

Unmarked emails or emails marked with an unrecognised or invalid protective marking are prevented from being sent to intended recipients by blocking them at workstations.

2015

Agencies should prevent unmarked emails or emails marked with an unrecognised or invalidprotective marking from being sent to intended recipients by blocking the email at theworkstation.

2010

It is recommended agencies prevent unmarked and inappropriately marked emails being sent to intendedrecipients by blocking the email at the workstation.