Chaser Systems
Drop-in cloud NAT gateway replacement with domain-based egress rules for AWS and GCP security and platform teams
Highlights
- New on EvolcAdded 2026-11-05
About Chaser Systems
Chaser Systems builds DiscrimiNAT, a drop-in replacement for managed cloud NAT gateways on AWS and Google Cloud. It adds domain-based egress filtering, out-of-band DNS spoofing detection (Wormhole DNS) and a Public Suffix guard for wildcard rules. The product is deployed with vendor-supplied Terraform modules, and it can be rolled back to the cloud NAT gateway in under a minute. Its packet engine is built in Rust.
Customers are security and platform teams in fintech, healthcare, retail and technology organisations. The product is sold per DiscrimiNAT instance per hour through the cloud provider's built-in billing, with no per-GB data processing charges. A free tier allows one instance for up to 31 days, and an enterprise tier is offered on annual contracts.
Chaser Systems was founded in 2019 and is registered in London, where it is listed as its headquarters. It also has an office in Cambridge. The company says its first launch was on AWS in September 2019. It advertises its engineering roles on LinkedIn and does not accept candidates through agencies.
Product: DiscrimiNAT, a cloud NAT gateway replacement with domain-based egress filtering for AWS and Google Cloud.
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