Here is the full list of all 21 Cyber Complex achievements.
Complete the Hardmode Mirror Map
Kill 10 Spiders
Upgrade a Mod to max Level 4
Complete the Campaign Map
Complete all V-Eye Campaign Missions
Delete 100 Scanners
Complete all Secutron Solutions Campaign Missions
Complete all Slipstream HQ Campaign Missions
Shoot 20 Laser Barriers
Complete all Arc Net Campaign Missions
Consume 30 Data Integrity heal packages
Complete all iCORP Datacenter Campaign Missions
Produce 1000 Nodes
Consume 100 Blue Nodes to increase the H4C-Kits data integrity
Complete all UNTec Research Campaign Missions
Fortify 400 Unit points
Capture 100 Units
Complete all Fortune Labs Campaign Missions
Avoid the Alert for 30 seconds
Complete 100 Stages
Finish 20 Random Stages