Tommy McCormick reposted
Tommy McCormick
Tommy McCormick
@jan0ski.net
security, distributed systems, networking, & rust ATL
282 followers332 following38 posts
Full circle. Just heard about github.com/golang/go/is... on @fallthrough.fm's "Continue" podcast about notable Go proposals. Now I see how it's even more useful in the context of VMs. Super interesting.
Sharing a CPU core comes with a security tradeoff. At exe, your team’s VMs can share cores with each other. Other teams’ VMs stay separate. And if your own VMs need that separation too, your team admin can turn sharing off. Ian explains how it works: blog.exe.dev/crossing-the...
Tommy McCormick reposted
Replying to @ewindisch.ontological.observer
My former boss is currently at Anthropic and hiring. I assume publicly disagreeing with the org won't do me any favors... but neither will quietly allowing cybersecurity to be outlawed. Companies that can't secure their systems are lecturing us on cybersecurity and taking tools from defenders
Tommy McCormick reposted
If I had to drop @jj-vcs.dev I honestly don't know what I would do with myself. The megamerge workflow is so incredibly powerful for me that my brain short circuits trying to do anything else isaaccorbrey.com/notes/jujuts...
Tommy McCormick reposted
Tommy McCormick reposted
Tommy McCormick reposted
Tommy McCormick reposted
PSA: if you depend on Hickory DNS, upgrade now: github.com/hickory-dns/... DNS implementations (not just Hickory) have been hit pretty hard by LLM-assisted vulnerability research.
Oh nice, Amp has their own subscriptions now that can be combined with Codex subs. ampcode.com/news/subscri...
Tommy McCormick reposted
HuggingFace got hacked by an AI. What stuck out to me was the guardrail asymmetry. The attacker had no constraints, but HF's response ran afoul of the abuse guardrails, forcing them into an unplanned switch to local models. Another aspect for your IR plans. huggingface.co/blog/securit...
Tommy McCormick reposted
Tommy McCormick reposted
Zig's Basilisk has hatched ;) archive.today/on3H4 @avengingfem.me 😂
BRB, using an AI to find a bunch of bugs in Zig, then publicly reporting them all and making clear that they were found by AI so that nobody is allowed to fix them. 😂
Tommy McCormick reposted
Tommy McCormick reposted
Had an old gaming laptop lying around and managed to get @oxide.computer's platform booted up on it
Had an old gaming laptop lying around and managed to get @oxide.computer's platform booted up on it
Tommy McCormick reposted
Tommy McCormick reposted
Definitely calling this one the "sig-seven" vulnerability. 🫴 🫴
The bug: when async_hooks is enabled and your code hits stack overflow, Node.js exits with code 7 immediately. No try-catch. No uncaughtException handler. Just... dead. The problem? async_hooks is enabled the moment you use AsyncLocalStorage, which is EVERYWHERE.
Tommy McCormick reposted
Tommy McCormick reposted
Do you have an idle cluster? Can you spare a couple core-years? Help me bruteforce some test vectors for RSA key generation edge cases! Here are the instructions, it's just a matter of running a single self-contained cross-compilable Go binary that will report the results autonomously.
Tommy McCormick reposted
Politico is reporting that the breach at the Congressional Budget Office is "ongoing." “Do NOT click on any links in emails from CBO. Do NOT share sensitive information with CBO colleagues over email, Microsoft Teams, or Zoom at this time,” the email to CBO staff reads.
Tommy McCormick reposted
Wrote up my first impressions of ChatGPT Atlas, OpenAI's new browser - I remain unconvinced by the entire category of "browser agents", the security and privacy challenges still feel insurmountable to me simonwillison.net/2025/Oct/21/...
Tommy McCormick reposted
Tommy McCormick reposted
Lots of services in all regions now reporting impact due to an IAM issue: status.cloud.google.com/incidents/ow...
Tommy McCormick reposted
Tommy McCormick reposted
Tommy McCormick reposted
Tommy McCormick reposted
Found this tonight and it's a really solid read on the Go runtime. Definitely a long post but it's got a lot of useful info in it. Learned a lot about things that I haven't really dug into before from it. nghiant3223.github.io/2025/04/15/g...
Tommy McCormick reposted
This is *exactly* why the @cncf.io was created. A safe space for community and companies to come together with longitudinal guarantees of stability and fair ground rules. There are no backsies. @synadia.bsky.social? @derekcollison.bsky.social? This is not ok. www.cncf.io/blog/2025/04...
Tommy McCormick reposted
Tommy McCormick reposted
Last night, @bcantrill.bsky.social and I were joined by our colleague Andrew, @sunshowers.io, and John to talk about developing a general structure diffing crate in service of our upgrade project. youtu.be/BTdxuOwV1eY