Best CYSEC ARCA Trusted OS for Clouds Alternatives & Competitors in 2026

enclaive Buckypaper CVMs

Hardware-based confidential VMs for secure, isolated cloud workloads.

Private Machines ENFORCER

FIPS 140-2 Level 4 tamper-proof secure server for critical infrastructure.

PrivateCore vCage

Secures cloud servers from APTs, malicious hardware, and insider threats.

Anjuna Seaglass

Confidential computing platform for running apps in secure enclaves.

Edgeless Systems Constellation

Confidential Kubernetes distro that runtime-encrypts cloud workloads.

enclaive Dyneemas Confidential K8s

Confidential K8s platform using secure enclaves to protect containerized workloads.

Oblivious OBLV Deploy

Confidential computing platform deploying apps to secure enclaves, no code changes needed.

Fortanix Confidential Computing

Platform for encrypting data in use via confidential computing TEEs

Secretarium Klave for AI

Confidential computing platform for private, verifiable AI inference on sensitive data.

Secretarium Klave Platform

Confidential computing platform for building secure, privacy-preserving applications.

Lorica Private Pursuit Platform

Encrypted compute platform for AI inference and SQL search on private data.

Lorica Private Pursuit

Privacy layer enabling confidential AI & data analytics for AIaaS providers.

Lorica Private Pursuit™ Platform

FHE-based platform for encrypted AI inference and SQL queries on sensitive data.

Fortanix Enclave Development Platform

Development platform for building Intel SGX enclaves using Rust language

DataKrypto

FHE solution encrypting data-in-use for privacy during processing & analysis

Zama Protocol

Confidential blockchain protocol using FHE for encrypted smart contracts

TACEO

Network for private shared state using MPC and coSNARKs for encrypted data.

Stoffel

Privacy-first app dev platform using MPC to compute on encrypted data

Confidential Agents for RAG

Confidential computing platform for secure RAG and AI agent workflows

Fr0ntierX

Confidential computing platform securing workloads with encrypted containers

Acompany

Japanese firm offering confidential computing, AI security, and data privacy services.

enclaive Always Encrypted Nextcloud

Confidential Computing-based Nextcloud hosting with runtime encryption.

Enclaive Managed Databases w/ Data-in-Use Encryption

Managed DB hosting with encryption at rest, in transit, and in use.

Belfort

Hardware-accelerated FHE platform for processing data without decrypting it.

Edgeless Systems MarbleRun

Service mesh for Intel SGX enclave orchestration with remote attestation.

Blind Insight

Privacy-preserving data analytics platform with searchable encryption

Vaultree Data-In-Use Encryption

Data-in-use encryption enabling operations on encrypted data without decryption

Vaultree Encrypted Data Suite (VEDS)

Data-in-use encryption suite enabling encrypted search, storage, and analytics

OPAQUE for Secure Analytics

Enables secure analytics across data silos using cryptographic verification

Anjuna Northstar

Confidential Computing clean room platform for secure multi-party data sharing.

Duality Confidential Computing Platform

Secure multiparty data collaboration platform using TEEs for AI/ML workloads.

Duality Platform

Privacy-preserving data collaboration platform using HE, MPC, FL, and TEE.

Duality Technologies AI Assistant

Privacy-preserving AI research assistant for secure analysis of sensitive data.

Duality Query

Privacy-preserving query platform using FHE to query encrypted, siloed datasets.

Enveil ZeroReveal

PET suite for encrypted search and ML across data boundaries.

Protopia Roundtrip Protection (SGT)

Eliminates plaintext LLM inference exposure via client-side data transformation.

TripleBlind

Privacy-preserving platform for secure data collaboration & AI on encrypted data.

ARM TrustZone

ARM TrustZone provides a secure execution environment for applications on ARM processors.

Microsoft SEAL

Microsoft SEAL is an open-source homomorphic encryption library that enables arithmetic computations on encrypted data without decryption, supporting privacy-preserving applications across multiple platforms.

ZAMA

Zama's fhEVM Coprocessor is an open-source tool for developing applications using Fully Homomorphic Encryption, enabling privacy-preserving computations in various domains.