All 34 topics opened for submissions in Cluster 3 you can find  on Funding and tender portal here 

Deadline for cybersecurity topics is 21 October 2021 .  
Deadline for security topics is 23 November 2021 . 

Incerased cybersecurity: CS 01 (4 topics) 

Desaster recilient society : DRS 01 (5 topics)

Fighting  crime and terrorism : FCT 01  (12 topics) 

Boarder management : BM 01 (5 topics)  

Resilient infrastructure :  INFRA 01 (2 topics) 

Strengthened Security research and Innovation : SSRI 01 ( 5 topics) 

Coordination of complementary actions for missions : Horizon-MISS-2021-COOR-01): (1 topic)