Why did the perimeter security model become insufficient?
- A Cloud services, remote work and third-party integrations mean there is no meaningful perimeter
- B Firewalls became too expensive
- C Encryption made it redundant
- D Attackers stopped using the network
Answer
Cloud services, remote work and third-party integrations mean there is no meaningful perimeter
Once inside, an attacker in a perimeter model faced little resistance, which is why lateral movement was so effective.





