Last updated: October 2026

OtterSec is a blockchain security firm known for deep protocol-level audits across DEX, Lending, Bridge. This profile aggregates its audit record, 2340 findings and notable clients — so you can evaluate fit before requesting a competitive quote through Procur3.
Founded in 2022, OtterSec is a blockchain security firm specialising in smart contract audits and protocol-level security reviews. The team works primarily in Rust, Solidity, Move and Cairo, covering engagements across Solana, Ethereum, Aptos and related ecosystems. Core areas of expertise include DEX, Lending, Bridge, Cross Chain.
With 200 audits on record, OtterSec has worked with notable protocols including Wormhole, Marinade Finance, Jupiter, Drift Protocol. The firm's review history provides a transparent track record that teams can evaluate before engaging.
OtterSec is tracked on Procur3's auditor directory. Teams can compare their profile, stats and track record against other firms before requesting a quote.
| Critical, high & medium | 968 | 41.4% |
| Low, informational & other | 1232 | 58.6% |
Across 200 audits, OtterSec has logged 2340 findings, of which 968 were rated critical, high or medium — roughly 41% of the total.
Figures are updated periodically and may not include every engagement. Severity labels follow each report's own classification.
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