SASE-Future of Cyber Security

Security Access Service Edge (SASE) is a “service delivery system” that combines WAN capabilities and network security functions. In fact, SASE does not include any real novel ideas, but rather confirms the legitimacy of the appearance models of ‘Security As a Service’ and ‘Network As a Service’. It also relies on a combination of both models in one compound service, including many network and security functions. It is also important to note that SASE is always deployed in a service mode and its capabilities are derived from so-called “Service Edge”.

Features of SASE

1) Global foot node:

The presence of a “service edge” allows access is efficient and close (depending on networking) at the feet of the customer himself.

2) Global SD-WAN capabilities:

Depending on the route between nodes, SD-WAN power should avoid problems

in the global network, such as elevation or unexpected latencies.

3) Distributed security implementation:

Security measures in use on service nodes, without redirecting traffic to other nodes for testing.

4) Multi-traditional cloud architecture:

In their proposal, Gartner highlights the importance to avoid the shackling of security chains as well network devices.

5) Integration of activities:

The SASE-type service should include many security functions as much as possible on its nodes. This, along with models to avoid being chained independent activities, and it inevitably leads to producer integration.

6) Identity as a pillar:

IP address as determining parameter service access control should disappear, and “ownership” must take its place. Ownership of the business that receives the service must be protected on each connection, and this access is limited only the necessary resources.

This method is also compatible with Zero Trust Network Access (ZTNA) model

that is part of the SASE proposal, and which is introduced as an alternative to traditional remote control weak access systems and security cannot be converted to cloud and navigation models.

7) Based on policy:

The definition of policies should be the way in which the customer you are contacting the service. Any related details in nodes or architectures should be clear to the user.

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