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Cybersecurity · 10 sub-niches · Build-vs-invest tagged
Adjacent to AI growth. Every new agent layer creates new attack surfaces — the security wedge follows the platform shift.
Each entry below is a specific opportunity inside Cybersecurity. We name public projects as examples — never the founders we track inside the paid product. The category commentary is the public surface; the named buyers’ edge lives in the paid product.
/niche-down/cybersecurity/llm-firewall-tooling
WAF for AI agents — prompt injection blocking, output sanitization, policy enforcement at the API boundary.
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/niche-down/cybersecurity/supply-chain-attack-detectors
Catch malicious npm / PyPI packages before they land in production.
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/niche-down/cybersecurity/secret-rotation-automation
Secrets that rotate themselves — across HashiCorp Vault, AWS Secrets Manager, GitHub, and your CI.
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/niche-down/cybersecurity/oss-vulnerability-graphs
The dependency graph for open source vulnerabilities, indexed for AI agents and humans.
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/niche-down/cybersecurity/cloud-config-drift-detection
Continuous detection of AWS / GCP / Azure config drift, plus AI-suggested remediation.
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/niche-down/cybersecurity/identity-graph-tools
Map identity across SaaS apps — find shadow accounts, dormant access, over-permissioned users.
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/niche-down/cybersecurity/ai-agent-permissioning
Who can run which agent? What can the agent see? The IAM layer for the agent era.
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/niche-down/cybersecurity/deepfake-detection-apis
Detect AI-generated voice + video + image for KYC, fraud, and content moderation.
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/niche-down/cybersecurity/zero-trust-network-mesh
Tailscale + Cloudflare Access shape — zero-trust networking for the agent era.
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/niche-down/cybersecurity/ssh-key-lifecycle-management
Boring but unsolved. SSH keys outlive employment, devices, and security postures.
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How Cybersecurity is tracked
Cybersecurity is one of the 20 top-level sectors in the weekly GitHub momentum panel. The sub-niches above are editorial slices on top of that data — specific opportunities where the signal shape suggests something is breaking out. The named scoreboard for Cybersecurity is in the startups-to-watch surface; the niche-down map here is the “what could be built” layer above it.
Adjacent sector maps