Castlepoint Cyber Security vs dotgpg: Side-by-Side Comparison (2026)
Features, pricing, ratings, and pros & cons — compared head-to-head.
Castlepoint Cyber Security is a commercial data classification tool by Castlepoint Systems. dotgpg is a free data classification tool. Compare features, ratings, integrations, and community reviews side by side to find the best data classification fit for your security stack.
CST VerdictBased on our analysis of NIST CSF 2.0 coverage, core features, company size fit, deployment model, here is our conclusion:
Mid-market and enterprise teams drowning in unclassified data across email, cloud storage, and file shares need Castlepoint Cyber Security to actually know what they're protecting. The platform's content-based classification engine handles mixed formats and automatically detects PII, PCI, PHI, and regulated data like CUI without manual tagging, then maps legislative penalties to inform retention policy. Skip this if your data lives almost entirely in structured databases or you're looking for a DLP tool with blocking capabilities; Castlepoint excels at discovery and labeling, not prevention.
Teams managing distributed secrets across small engineering organizations will get real value from dotgpg because it treats secrets like code: versioned, diffable, and auditable in git without requiring a dedicated secrets vault. The 167 GitHub stars and free pricing reflect genuine adoption among developers who need password backup without infrastructure overhead. Skip this if your team is already standardized on HashiCorp Vault or AWS Secrets Manager; dotgpg fills a gap for teams too small to justify those systems but too security-conscious to store credentials in plaintext.
