Head to head · Checked against vendor sites, September 2026
Glow Security vs Bloom Security: AI agent security compared
The verdict
Glow Security scores higher overall on our weights (6.7 vs 6.0 out of 10). Glow Security scores higher on tool-call control, footprint, identity and audit, maturity and breadth; Bloom Security scores higher on visibility. They tie on policy. Neither publishes list prices.
Bloom Security
Best for endpoint software and extension inventory
How do Glow Security and Bloom Security compare on each criterion?
| Criterion | Weight | Glow Security | Bloom Security | Edge |
|---|---|---|---|---|
| Visibility | 22% | 8 | 9 | Bloom Security |
Why these scoresGlow Security: Positions itself as control over everything that runs on the endpoint, with Asset Intelligence and shadow AI discovery; its Anthropic integration collects per-user Claude usage, custom skills and installed connectors. Bloom Security: Discovers software, extensions, AI tools and everything running on the endpoint, with who built it and what it can access. | ||||
| Tool-call control | 20% | 7 | 6 | Glow Security |
Why these scoresGlow Security: Glow describes a pre-execution hook that can block an action or hold it for approval, and runtime prevention policies for coding agents; per-call mechanics are not documented on pages we could read. Bloom Security: Defines what AI agents can access, execute and transmit and scales back overpermissioned MCP servers; runtime tool-call decisions not detailed. | ||||
| Policy | 15% | 7 | 7 | Tie |
Why these scoresGlow Security: Adaptable policies with autonomous remediation and prevention agents, and a Claude Code managed-settings bundle through its Anthropic integration. Bloom Security: Blocks malicious or policy-violating packages and skills across npm, Chrome Web Store and Open VSX. | ||||
| Identity and audit | 12% | 6 | 4 | Glow Security |
Why these scoresGlow Security: Per-user Claude usage and a compliance audit trail through the Anthropic integration, which needs Claude Enterprise and the Compliance API; attribution for other agents is not described. Bloom Security: Not described on the pages we reviewed. | ||||
| Footprint | 13% | 5 | 4 | Glow Security |
Why these scoresGlow Security: How Glow reaches devices is not stated on its homepage, and its documentation site could not be read. Bloom Security: Deployment method not published. | ||||
| Breadth | 8% | 6 | 5 | Glow Security |
Why these scoresGlow Security: Covers software control and asset intelligence beyond AI tools, plus enterprise AI accounts and settings through the Anthropic integration; cloud workloads are not described. Bloom Security: Endpoint focused, including non-AI software. | ||||
| Maturity | 10% | 6 | 4 | Glow Security |
Why these scoresGlow Security: Came out of stealth on 22 July 2026 with $180M at a $1.2B valuation, led by Sequoia, Cyberstarts, Greenoaks and Redpoint; named customer quotes and a trust center on glow.io; no pricing. Bloom Security: Limited public company information; SOC 2 listed; investors and pricing not published. | ||||
| Total | 100% | 6.7 | 6.0 | Glow Security |
How do they deploy, and what do they cost?
| Attribute | Glow Security | Bloom Security |
|---|---|---|
| Owner | Not acquired | Not acquired |
| How it reaches devices | Not published | Not published |
| Deployment detail | How Glow reaches devices is not stated on its homepage, and its documentation site could not be read. | Not published on the pages we reviewed. |
| Pricing | Contact sales. Glow Security does not publish pricing. | Contact sales. Pricing is not published. |
Source: glow.io · Glow Anthropic integration · Glow research: developer screenshots exposed by AI agents (29 Sep 2026) · Glow emerges from stealth (22 Jul 2026) · bloom.security · Bloom about · Reviewed Sep 2026
Which should you choose?
Choose Glow Security if
- Your priority matches our designation for Glow Security: best for software control across the endpoint.
- You need an audit record that separates agent actions from human actions: Glow Security scores 6 to 4.
- Vendor maturity, public documentation and backing weigh heavily in procurement: Glow Security scores 6 to 4.
Choose Bloom Security if
- Your priority matches our designation for Bloom Security: best for endpoint software and extension inventory.
- You need a fleet-wide inventory of AI agents, MCP servers, extensions and credentials on devices: Bloom Security scores 9 to 8.
Frequently asked questions
Which is better, Glow Security or Bloom Security?
Glow Security scores higher overall on our weights (6.7 vs 6.0 out of 10). Glow Security scores higher on tool-call control, footprint, identity and audit, maturity and breadth; Bloom Security scores higher on visibility. They tie on policy. Scores are editorial assessments from public vendor material, reviewed September 2026.
Do Glow Security and Bloom Security publish prices?
No. Neither publishes list prices, so ask both for a quote.
Do Glow Security or Bloom Security replace EDR?
No. The tools in this guide add control over AI agent actions and work alongside EDR. Glow Security: Not published. Bloom Security: Not published.
Related
Sources
- glow.io · Reviewed Sep 2026
- Glow Anthropic integration · Reviewed Sep 2026
- Glow research: developer screenshots exposed by AI agents (29 Sep 2026) · Reviewed Sep 2026
- Glow emerges from stealth (22 Jul 2026) · Reviewed Sep 2026
- bloom.security · Reviewed Sep 2026
- Bloom about · Reviewed Sep 2026