Chaser Systems

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

https://chasersystems.com/

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://apps.db.ripe.net/db-web-ui/lookup?source=RIPE&type=inet6num&key=2a05:6340::%2F29

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

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://chasersystems.com/

Link to review: https://www.g2.com/products/discriminat-firewall/reviews/discriminat-firewall-review-12435869

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://chasersystems.com/docs/discriminat/aws/release-notes/

GCP release notes: https://chasersystems.com/docs/discriminat/gcp/release-notes/

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://www.meetup.com/cambridge-rust-meetup/ and https://mastodon.social/@cambridgerust here.

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

What data do coding agents send, and where to?

Our report seeks to answer some of our questions for seven of the most popular agentic code editors and plugins. By intercepting and analysing their network flows across a set of standardised tasks, we aim to gain insight into the behaviour, privacy implications, and telemetry patterns of these tools in real-world scenarios. Incidentally, a side-effect was running into OWASP LLM07:2025 System Prompt Leakage for three of the chosen coding agents. You can see the system prompts in the appendix.

https://chasersystems.com/blog/what-data-do-coding-agents-send-and-where-to/

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://forms.office.com/e/14jHFdU9Kv

#aws #itsalwaysdns

Welcome to the team Lucas Pye! Lucas is joining us as an intern until mid-September and is researching what telemetry is gathered from developer machines by various popular agentic coding tools. When he's not intercepting #egress traffic you can find him climbing in the Peak District or his local gym.

(screenshot of MitMed Cursor)

We're back at @fwdcloudsec again today, drop by our booth and try our mini-CTF to win a #YubiKey. Only 4 left, so be sure to come by early!

TLS ECH (formerly ESNI) is an emerging threat in traffic observability.

Learn about what it is, its background and original purpose, and how to disable it in controlled environments - especially Chrome and headless Chrome in the linked solution article:

https://chasersystems.com/blog/disabling-encrypted-clienthello-in-google-chrome-and-why/