Identity is the New Perimeter

“Your security model will fail sooner or later, if you are still defining security along IP addresses, ” 

Traditionally used security measures are no longer useful in today’s times. Disruptive technologies such as clouds, containers and microservices have transformed the approach taken for enterprise security.

As businesses move to cloud computing, employees are able to access work-related applications and corporate networks from any internet connected device. In this new landscape, perimeter Firewalls with some form of intrusion prevention/detection (IPS/IDS) system and End-point Protection products do not hold good anymore.

“Perimeter is where your workload is”

With remote workers, third-party vendors, distributed offices, mobile and cloud deployments the fundamental unit of access in most cases is identity.

In the cloud environment, an identity, in the form of a username and password or access credentials can get access to the services and resources in the cloud. That same identity grants the same access to an attacker who has the credentials.

Hence, identity becomes the new security perimeter.

Securing your Identity

With the increase in the number of users and IoT devices accessing the cloud and SaaS, the attack surface has increased as well. Firewall is no longer sufficient to protect your data. Hence it becomes important for you to account for what your identities can do. 

Identity has the ability to secure your organization’s resources. Also, it provides flexibility to the users to access the cloud resources using any device and from any location. It is important to securely manage access to company resources from mobile, laptops, tablets and other devices, especially where staff are permitted to use personal devices (i.e. BYOD, BYOT and the IoT). 

Identities and their credentials are considered to be a major vulnerability. Nearly all advanced attacks involved stolen credentials. Whenever possible, the attackers go after privileged credentials. So companies seek to reinforce new identity perimeters by extending their IAM (Identity and Access Management) solution visibility and control to privileged users, applications and access entitlements.

IAM is the most common form of building security through identity.  It should provide users with visibility and control of access permissions for applications. Defining the application access permissions is the key, as well as enforcing any permission changes to ensure the application can only access authorized assets.

Also, the usage of open identity standards improve security through authentication, authorization, and provisioning using various standards including SAML (Security Assertion Markup Language), OAuth and SCIM (System for Cross-Domain Identity Management). 

In the Zero Trust model, identity is still important and at every stage of a client or host connection, it has a security boundary. This boundary ensures that a request is valid and authorized to proceed. This model does not rely on implicit trust after the correct username and password or access token has been provided. With zero trust by definition everything is untrusted and needs to be checked before granting access..

“Trust no one, Suspect Everyone”

With Zero Trust, the risk from a data breach in which user identities are stolen can be reduced because the identities are not always trusted by default.

“Where today’s security approaches fail to protect data, Zero Trust is the best, most modern way to keep your network secure.”

– John Kindervag, VP and Principal Analyst at Forrester


Using Identity as your security perimeter you can reduce the complexity of the existing security stack. When you focus on the identity, you hit the root of the security which ensures that the people who are accessing your network are who they claim to be. Thus, the risk of hackers breaching your system is reduced. 

If you have not made the switch to Identity centric security you should do so immediately. Protecting your company’s data against any suspicious activity or threats is of utmost importance and is worth the investment. Securing the identity perimeter must be the first layer in your security system. If you can protect your identities, you have a better shot at protecting your endpoints and network.

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