How to Perform Bulk Actions on Threats and Countermeasures

Threats displayed in the table can be multi-selected by CTRL-clicking, SHIFT-clicking, or checkbox-clicking on them.

Once selected, bulk actions can be performed from the bulk action menu:

This same behaviour is also possible in the Countermeasures tab, with a different set of Bulk Actions available (i.e. Mark as Required, Mark as Implemented, etc.)