The only way to secure cloud email and collaboration.

Leading the email security revolution.
Image Description

Avanan’s AI protects cloud email and collaboration suites from cyber attacks that evade default and advanced security tools. Its invisible, multi-layer security enables full-suite protection for cloud collaboration solutions such as Office 365, G-Suite, Teams, and Slack. The platform deploys in one click via API to prevent Business Email Compromise and block phishing, malware, data leakage, account takeover and shadow IT across the enterprise. Avanan replaces the need for multiple tools to secure the entire cloud collaboration suite, with a patented solution that goes far beyond any other Cloud Email Security Supplement.

Avanan is about the future and innovation.

Avanan has defined the cutting edge of email security with its patented inline protection and innovative machine learning since its founding in 2016. We are committed to continuing to innovate and define the future of email and collaboration security.

Avanan was the first Email security company to:

  • Protect the entire collaboration suite
  • Offer an API-based solution that blocks emails inline
  • Implement security for Microsoft Teams
  • Catch what Microsoft and G-Suite miss
  • Implement true machine learning to catch sophisticated attacks
Avanan is about simplicity.

We are modern and cloud-first. It’s an all-SaaS architecture built from the ground up. It installs in minutes with just a few clicks. It is this approach that has seen Avanan become the fastest-growing email security company on the market.

Customer First Philosophy.

Avanan is all about our customers. We are committed to our customers - everything we know and do comes to us as feedback from our customers. We're committed to providing the best service and go above and beyond our customers’ requests. This is why our AI learns about your company and is unique to your organization.

Company Leaders

Our Management Team

Gil Friedrich

Gil Friedrich


Gil Friedrich brings more than 18 years of development and leadership experience to Avanan. As ForeScout’s VP of R&D and VP of Technology, Gil expanded the company's technology into mobile security, BYOD policy, and Cloud services while developing the partner integration ecosystem. He holds a B.Sc. in Physics and an M.Sc. in Computer Science from Tel-Aviv University.

Avi Zelovich

Avi Zelovich


Having been with the company since its inception, Avi Zelovich was ForeScout’s VP of Product Engineering. Prior to ForeScout, he was a software engineer at RAD Guard. Avi holds a B.Sc. in Computer Science from the Academic College of Tel-Aviv and an MBA from Bar-Ilan University.

Don Byrne

Don Byrne


Don Byrne has over 20 years in information technology, serving companies including Accenture, Capgemini Ernst & Young , and Archer Daniels Midland. Before joining Avanan, Don led ForeScout's expansion into the federal market, where segment revenue grew from $250K to $6.3 million in four years. Don holds a BBA in Information Systems Management from the University of Iowa.

Itamar Lask

Itamar Lask

VP of R&D

Itamar Lask brings more than 20 years of development and leadership experience to Avanan, previously serving as VP of R&D to CreditGuard and Safecharge payment gateways as well as R&D Director at Amdocs Cloud technologies. Itamar is well versed in managing mission critical, high traffic cloud based SaaS services and products. He holds a B.Sc. in Computer Science and Operations Research from Tel-Aviv University.

Roy Rotem

Roy Rotem

VP of Product

Roy Rotem was VP of Product Management at ForeScout, and led the company’s pivot to network access control. His previous roles include business development at Business Layers and senior development at Bay Network and Armon Networking. Most recently, he founded and served as CEO of Tazooz. Roy holds a B.Sc. In Computer Science and an MBA from Tel-Aviv University.

John Macario

John Macario

Head of Global Marketing

With more than 15-years of experience designing and delivering global marketing strategies for high-growth organizations, John has achieved a track record of success in enabling businesses to accelerate brand awareness and generate revenue growth while maintaining a customer-centric culture. John has a BS in Physics from the University of Pittsburgh and an MS in Physics from Dartmouth College.

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