kosa8

Agents in sealed machines — checkpoint, rewind, prove it.

Freemium Security

What is kosa8?

kosa8 is air-gapped microVM sandboxes for enterprise AI agents: every agent gets its own sealed machine with its own kernel, the network closed by default, API keys kept on the host, checkpoint/fork/rewind in about a second, and a hash-chained audit log, runnable fully air-gapped.

Every feature is free for a trial period with no card or account; paid terms after trial are not stated, so no price is claimed here.

Key features

  • Air-gapped microVM sandboxes for enterprise AI agents
  • Every agent gets its own sealed machine with its own kernel
  • Network closed by default, API keys kept on the host
  • Checkpoint, fork and rewind in about a second
  • Hash-chained audit log, runnable fully air-gapped

Pros

  • Sealed machine per agent, own kernel
  • Checkpoint, fork and rewind in about a second
  • Hash-chained audit log, fully air-gapped option

Cons

  • Paid terms after the free trial are not stated on the launch post
  • Young product — board appearance 4 November 2026 from a 1 November page

kosa8 at a glance

PricingFreemium
CategorySecurity
Companykosa8
Best forEnterprises that want agent sandboxes with the network closed by default and every action audited
Official websitekosa8.com
sandboxesair-gappedmicrovmauditsecurity

How to choose the right Security tool

Security tools protect accounts, devices and data, so the first question is what exactly is being protected — passwords, browsing, files, identity or a whole network — and against which threats. Prefer tools from established vendors with transparent practices: independent audits, clear data policies and a record of fixing vulnerabilities quickly matter more than long feature lists. Check how the tool balances protection with friction; security you disable because it annoys you protects nothing. For password and identity tools, strong encryption and zero-knowledge design are the standards to look for. Finally, remember that no tool replaces basic hygiene — unique passwords, two-factor authentication and regular updates do most of the protective work, and a good tool makes all three easier.

Compare all Security tools →

kosa8 FAQs

What is kosa8?

kosa8 is air-gapped microVM sandboxes for enterprise AI agents: every agent gets its own sealed machine with its own kernel, the network closed by default, API keys kept on the host, checkpoint/fork/rewind in about a second, and a hash-chained audit log, runnable fully air-gapped.

What are the main features of kosa8?

kosa8 offers Air-gapped microVM sandboxes for enterprise AI agents, Every agent gets its own sealed machine with its own kernel, Network closed by default, API keys kept on the host, Checkpoint, fork and rewind in about a second and Hash-chained audit log, runnable fully air-gapped.

How much does kosa8 cost?

kosa8 follows a freemium model: a free tier is available, and paid plans unlock higher limits and advanced features. Check its official website for current plan prices.

What are the pros and cons of kosa8?

Strengths of kosa8 include Sealed machine per agent, own kernel; Checkpoint, fork and rewind in about a second; Hash-chained audit log, fully air-gapped option. On the downside, Paid terms after the free trial are not stated on the launch post; Young product — board appearance 4 November 2026 from a 1 November page.