# Perimeter 81, a Check Point Company

> Perimeter 81 is an Israeli network security company acquired by Check Point in September 2023. Its cloud-managed secure access technology became part of Harmony SASE and the broader Check Point SASE offering, connecting distributed employees to private applications and protecting internet use through centrally managed policies.

- **Founded:** 2018
- **Headquarters:** Tel Aviv, Israel
- **Founders:** Amit Bareket (Co-founder and CEO of independent Perimeter 81), Sagi Gidali (Co-founder; Chief Growth Officer by 2022, previously Chief Product Officer)
- **Products:** Perimeter 81 secure network platform, Zero Trust Application Access, SASE platform with SonicWall security, Harmony SASE / Check Point SASE, SASE Public API v3.0.0
- **Notable:** US$1 billion Series C valuation in June 2022., More than 3,000 customers and over 200 employees at September 2023 acquisition close, according to Check Point., Named a Leader in the Forrester ZTNA New Wave assessment, as reported in its 2022 funding announcement.

## Products & services

- **Perimeter 81 secure network platform** — Cloud-managed corporate networking, dedicated gateways, encrypted tunnels, and remote access. Historical standalone brand.
- **Zero Trust Application Access** — Identity-based access to selected applications, including agentless access.
- **SASE platform with SonicWall security** — Combined Network as a Service with cloud security capabilities; announced in February 2020.
- **Harmony SASE / Check Point SASE** — Post-acquisition product family covering private access, internet access, and integration with Check Point security.
- **SASE Public API v3.0.0** — Consolidated API covering security policies, catalogs, DNS, split tunneling, and account settings.

## Achievements

- US$1 billion Series C valuation in June 2022.
- More than 3,000 customers and over 200 employees at September 2023 acquisition close, according to Check Point.
- Named a Leader in the Forrester ZTNA New Wave assessment, as reported in its 2022 funding announcement.
- Acquired by Check Point under an approximately US$490 million agreement.

## Latest updates

- **2024-06** — The iOS app release notes record rebranding from Perimeter 81 to Check Point Harmony SASE.
- **2025-05** — Check Point announced SASE data residency in India and Australia.
- **2026-09** — Check Point announced consolidated SASE API v3.0.0, a second Milan PoP, and general availability of File Access Policy and Threat Prevention Security Profiles. Browser and Workforce AI Security console integration was described as early availability.

## Links

- Website: https://sase.checkpoint.com/
- LinkedIn: https://www.linkedin.com/company/perimeter-81/
- Twitter/X: https://twitter.com/perimeter_81
- GitHub: https://github.com/perimeter-81
- YouTube: https://www.youtube.com/c/Perimeter81
- Facebook: https://www.facebook.com/Perimeter81

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Published by YesPress — https://yespress.io
Last updated: 2026-10-05