Microsandbox vs Push Security
Side-by-side comparison of features, pricing, and ratings
At a glance
| Dimension | Microsandbox | Push Security |
|---|---|---|
| Pricing | Free & open-source (MIT license) | Freemium (paid tiers: per-user/month, contact sales) |
| Deployment | Local CLI & SDK, no daemon or cloud dependency | Cloud-based SaaS, browser extension |
| Primary Use Case | Run untrusted code in hardware-isolated microVMs | Detect & block browser-based attacks and control AI tool usage |
| Key Integration | Docker Hub, GHCR, ECR, GCR | Okta, Azure AD, Google Workspace, Slack, Splunk, Snowflake |
| Target User | Developers & platform engineers | Security & identity teams |
| Latest News | v0.6.0 with Windows host support, guest-write quotas, bind rootfs, non-PTY exec | Coined poisoned tenant attack; SANS AI security maturity model; agentic threat hunting pipeline |
Push Security and Microsandbox serve entirely different purposes. Push Security is a browser security SaaS for detecting and blocking modern web attacks and controlling AI tool usage, best for security teams. Microsandbox is a free, local-first microVM runtime for isolating untrusted code, ideal for developers. Choose based on your threat: external browser attacks vs. malicious code execution.
Browser-native security that stops AI-driven attacks and secures employee AI usage
Visit WebsiteWhat real users say: Microsandbox vs Push Security
Not marketing copy and not our opinion — a structured sweep of public discussion (reviews, forums, communities and video comments), showing what people praise and what they complain about for each tool.
Microsandbox
30 mentions across 1 sources · 70% positive
Hacker News
What users praise
- • Hardware isolation via per-sandbox Linux kernel for untrusted workloads.
- • Fast startup suitable for per-request sandboxes, often faster than Docker.
- • Host-side secret injection prevents secrets from ever entering the VM.
- • Runs locally without daemon or remote infrastructure dependencies.
What frustrates them
- • Lacks GPU support, limiting its use for compute-heavy AI/ML tasks.
- • Small community and ecosystem compared to mature competitors like Docker.
- • No single daemon model may confuse users expecting persistent background service.
- • Limited third-party integrations and plugin ecosystem.
Researched Jul 3, 2026
Push Security
30 mentions across 3 sources · 43% positive — mixed
Hacker News, YouTube, Lemmy
What users praise
- • Works as a lightweight extension across all major browsers without forcing a single proprietary browser.
- • Detects advanced threats like AiTM phishing, ClickFix, session hijacking, and malicious OAuth flows.
- • Autonomous hunting agents analyze browser telemetry to write and deploy detection rules at machine speed.
- • Provides comprehensive AI usage governance: inventory, prompt monitoring, file upload blocking, and unsanctioned app control.
What frustrates them
- • No independent community feedback or real-user reviews available to verify claims.
- • Requires advanced security expertise to configure and interpret telemetry effectively.
- • High-fidelity telemetry collection may trigger privacy and compliance red flags.
- • Potential for false positives in blocking legitimate OAuth and extension actions.
Researched Aug 26, 2026
Who should pick which
- Enterprise security teamPick: Push Security
Push Security offers browser-based detection for AiTM, ClickFix, session hijacking, and AI data leakage, plus identity hardening — exactly what enterprise security teams need.
- AI agent developerPick: Microsandbox
Microsandbox provides hardware-isolated microVMs to safely run untrusted AI agent code, with secret injection and network policy controls.
- Platform engineer running user codePick: Microsandbox
Microsandbox's per-request sandboxes with OCI image support and fast startup are ideal for isolating untrusted user code in a multi-tenant platform.
- Identity team enforcing MFA adoptionPick: Push Security
Push Security's in-browser MFA guardrails and ghost login detection help identity teams enforce SSO/MFA and discover shadow SaaS.
- CI/CD engineer isolating build jobsPick: Microsandbox
Microsandbox can sandbox each CI build in a microVM, preventing cross-build contamination and securing supply chains.
Frequently Asked Questions
Microsandbox vs Push Security: which should you choose?
Push Security and Microsandbox serve entirely different purposes. Push Security is a browser security SaaS for detecting and blocking modern web attacks and controlling AI tool usage, best for security teams. Microsandbox is a free, local-first microVM runtime for isolating untrusted code, ideal for developers. Choose based on your threat: external browser attacks vs. malicious code execution.
Can Push Security run on any browser?
Yes, Push Security works across all major browsers via a browser extension, no need to migrate to a single enterprise browser.
Is Microsandbox only for Linux?
No, as of v0.6.0, Microsandbox also supports Windows host via libkrun ports.
Does Push Security offer on-prem deployment?
No, Push Security is cloud-based only.
Can Microsandbox be used in a cloud CI pipeline?
Yes, Microsandbox is a local runtime that works on any Linux or Windows CI runner; it does not require cloud infrastructure.
Which tool is better for preventing AI data leakage?
Push Security, with its in-browser DLP for AI tools (clipboard, file uploads) and AI usage controls.
Is Microsandbox a container runtime?
No, it's a microVM runtime—each sandbox has its own kernel, providing stronger isolation than containers.
Does Push Security detect OAuth phishing?
Yes, it detects malicious OAuth integrations and consent phishing (ConsentFix).
Can Microsandbox run Docker images?
Yes, it supports OCI images from Docker Hub and other registries.
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Last reviewed: July 3, 2026