Chaser Systems

The trinity of ‘developer experience + security standards + operational efficiency’ is greater than the sum of its parts. We call it ‘ergonomic cybersecurity’.

[Chaser Systems @ChaserSystems]

We were just assigned a /29 #IPv6 block by RIPE. We now have 633,825,300,114,114,700,748,351,602,688 IPv6 addresses.

inet6num: 2a05:6340::/29
netname: UK-CHASERSYSTEMS-20260518
country: GB
org: ORG-CSL88-RIPE
admin-c: AA44781-RIPE

https://t.co/quzL2zwgvK

[Chaser Systems @ChaserSystems]

DiscrimiNAT Firewall v2.40 shipped yesterday on GCP and day before on AWS. It has Canonical-supplied mitigations applied for https://t.co/MqACDOCaH6. It is also hardened to the CIS standard and therefore the exploits for Dirty Frag fail to work on it. We are monitoring the situation and will push an update if needed.

[Chaser Systems @ChaserSystems]

Is Post-Quantum Cryptography #PQC being used by your apps when calling other APIs?

New feature in the works that'll let you capture your progress with updating the crypto libs

#DiscrimiNAT is an #egress filter for your cloud with monitoring, analytics, dry-run & enforcement

[Chaser Systems @ChaserSystems]

Another fantastic review of our DiscrimiNAT Firewall. If you need a developer-friendly #egress filtering solution for AWS or GCP, book a demo here: https://t.co/XxPNMfrT7Q

Link to review: https://t.co/kAxKljF2c5

[Dhruv AHUJA @new23d]

I was mighty upset with Google on 12 Feb. We had discovered that the issue affecting egress filtering for a DiscrimiNAT customer on GCP was in fact Post-Quantum Cryptography TLS handshakes. It was a combination of the most up-to-date OpenSSL version in a container image and ...

[Chaser Systems @ChaserSystems]

v2.30 of DiscrimiNAT Firewall for egress filtering is now Generally Available.

Key improvements include support for Post-Quantum Cryptography #PQC TLS handshake.

AWS release notes: https://t.co/AWbCpHLGYN

GCP release notes: https://t.co/w227IMg8Ac

[Chaser Systems @ChaserSystems]

Sponsoring the local #Rust meetup in #Cambridge is way we bring the community together a few times a year. Follow the event page at https://t.co/fcKo5Pdudb and @CambridgeRust here.

Rust has played a critical role in the cloud security solutions we ship in terms of speed, stability & safety.

[Chaser Systems @ChaserSystems]

Learn about CoverDrop's use of #Rust in #Cambridge on 12th Nov by Daniel Hugenroth. Pizzas on us!

[Chaser Systems @ChaserSystems]

Our latest blog post 'What data do coding agents send, and where to?' featured by @lancinimarco!

[CloudSecList @CloudSecList]

📖 CloudSecList Issue 313 is live, with content from @Rapid7 @ChaserSystems @TheTokenSec @MercariDev and more!

https://t.co/4arm2CvqEJ

[Chaser Systems @ChaserSystems]

What data do coding agents send, and where to?

Our report seeks to answer some of our questions for the most popular coding agents. Incidentally, a side-effect was running into OWASP System Prompt Leakage. You can see the system prompts in the appendix.

https://t.co/uVOcLebi0O

[Chaser Systems @ChaserSystems]

Looking at us-east-1 this morning like... 👀

We're giving away 1,000 of our "It's always DNS" stickers and sticky-notes to decorate your laptops and monitors! Just fill in the linked form below and we'll get it mailed directly to you, wherever you are in the world. You can even grab some for the rest of your team!

https://t.co/7xg32K6ERT

#aws #itsalwaysdns

[Chaser Systems @ChaserSystems]

Azure default outbound access connectivity change postponed from 30 Sep '25 to 31 Mar '26.

https://t.co/OXmXhjVGLK

[Chaser Systems @ChaserSystems]

v2.20 of DiscrimiNAT Firewall now available on GCP 🎉

https://t.co/w227IMfAKE

[Chaser Systems @ChaserSystems]

v2.20 of DiscrimiNAT Firewall just released on AWS 🎉

https://t.co/AWbCpHL99f

[Dhruv AHUJA @new23d]

Another short-lived credential leak causes widespread data theft. Here at @ChaserSystems we're researching & prototyping practical second-factor methods for service account style usage.

https://t.co/fwL9UXx7dN