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Perimeter 81, now Check Point Harmony SASE

Check Point Harmony SASE

VPN and Remote Access

Access Granted Per Resource,
Not Per Network

Perimeter 81 built network access around the idea that connecting a user should not mean admitting them to everything. Check Point acquired the company in 2023 and the product now continues as Harmony SASE, with the same model and a larger security portfolio behind it.

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The Core Idea

Admission Is Not Authorisation

A traditional connection places somebody on the network and trusts them thereafter. Here, the connection itself grants nothing: each resource is assigned to groups, and a user reaches only what their group is permitted. A compromised account yields a narrow slice rather than the estate.

USER FINANCE APP FILE STORE HR SYSTEM NOT ASSIGNED
Next Step

Map Who Reaches What

A short review of what a remote connection currently grants access to, and how much of that any one person actually needs.

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Since
2023

Part of Check Point, sold as Harmony SASE. Expect Check Point contracting, support and roadmap rather than an independent vendor.

Deployment Shape

What Gets Replaced

ComponentStill needed
VPN concentratorNo
Per-site applianceNo
Identity providerYes
Endpoint protectionYes
Identity Driven

Groups Decide Access

Connection to the existing identity provider means access follows directory group membership, so a change of role changes what the connection reaches without a separate administrative task.

Mixed Estates

Cloud And On Premises Together

Gateways can be placed in cloud regions and alongside remaining on-premises systems, so one client reaches both without staff needing to know which is which or switching between tools.

The Point

The question is not whether somebody may connect. It is what they can reach once they have.The distinction the whole category rests on.

Why The Old Model Fails

Flat Access Turns One Compromise Into All Of Them

The historic design assumed that being inside the network was itself evidence of trustworthiness. Very little about modern working supports that assumption.

Lateral Movement Is The Attack

An intruder with one set of credentials rarely finds what they want on the first machine. Their work is moving sideways, and a flat network is what makes that movement straightforward rather than difficult.

Contractors Get Everything

Temporary staff and third parties are commonly given the same connection as an employee because creating anything narrower is effort. That access frequently outlives the engagement and nobody notices.

The Appliance Is A Bottleneck

Hardware sized for occasional remote working becomes the constraint when most of the workforce is remote, and upgrading it means buying capacity for a peak that may not persist.

Honest Qualification

What To Weigh Before Choosing It

A Strong Fit

Distributed teams, organizations using contractors routinely, and anyone replacing an ageing remote access appliance. The segmentation model is the reason to buy, and it delivers most where the current alternative is one flat network for everybody.

Know What You Are Buying Into

This is a Check Point product now. If you already run Check Point elsewhere that consolidation is an advantage; if you deliberately avoid single-vendor concentration, weigh it accordingly. Either way, contracting and support run through Check Point rather than the original company.

In Short

Ask What A Remote Connection Currently Reaches

If the honest answer is everything, that is the finding, and narrowing it is usually cheaper and faster than the alternatives on the risk register.

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