Product, growth, startups. Cofounder & Chief Product Officer @safetycli. Prev. Amazon EventBridge @awscloud, @kickstarter & Co-founder @Huzza_Live.

Los Angeles, CA
Joined April 2008
Kimi K3 is the biggest shadow AI event since DeepSeek R1, and most security teams have zero telemetry that would show it. Thread on why this one is different and what to actually check.
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The artifact that does exist lives on the workstation: the extension, the MCP server config, the key itself. That’s enumerable. If you can inventory what’s resident on dev machines, this whole class of problem becomes visible instead of theoretical.
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That’s what we built getsafety.com for. It scans the workstation and uncovers every AI assistant, MCP server, package, and IDE extension your developers are actually running. First scan in under 30 seconds. Worth knowing your baseline before the weights drop and this gets weirder.
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Super important conversation everyone in IT/AppSec needs to be having today. Great post @techspence
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Or just getsafety.com and we’ll scan every machine in your org. to detect the malicious package (and many others!) for you.
Microsoft is investigating mistralai PyPI package v2.4.6 compromise. Attackers injected code in mistralai/client/__init__.py that executes on import, downloads hxxps://83[.]142[.]209[.]194/transformers.pyz to /tmp/transformers.pyz, and launches a second-stage payload on Linux. The file name transformers.pyz appears deliberately chosen to mimic the widely used Hugging Face Transformers library and blend into ML/dev environments. The main payload is a credential stealer, but it also includes country-aware logic; it avoids Russian-language environments and contains a geo fenced destructive branch that has 1-in-6 chance of executing rm -rf / when the system appears to be in Israel or Iran. To mitigate this threat: isolate affected Linux hosts, block 83[.]142[.]209[.]194, hunt for /tmp/transformers.pyz, pgmonitor[.]py, and pgsql-monitor.service, and rotate exposed credentials.
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This is why the only viable solution to software supply chain security MUST protect the developer workstation. That is now the single most vulnerable part of our entire industry. You have to be constantly scanning the dev endpoint, like we are @safetycli, to detect and protect.
The most insane long game hack of all time! North Korea built an entire trading firm Conference passes In-person meetings Multiple countries Half a year of Telegram messages and working sessions Even $1M of their own capital deposited to look legitimate Then when all the pieces were in place they stole $280M Drift just released the full incident background and it’s wild! Fall 2025: A "quant trading firm" approaches contributors of Drift at a major conference. They Follow up in person across multiple countries. Technically fluent. Verifiable backgrounds. Typical trust building stuff. December-March: They onboard a real Ecosystem Vault and attend working sessions They even deposit $1M to further build ‘trust’ The long con had set in and by early 2026, these weren't strangers anymore They had now built a 6-month working relationship Then they share some repos which is routine stuff The attack vector: a VSCode/Cursor vulnerability flagged by the security community throughout late 2025. Opening a file was enough. Silent code execution. No prompt. No warning. Nothing. The moment the exploit fired, every Telegram message and trace of malware was scrubbed clean No record or trace left Every team managing meaningful TVL is a target and no one is safe from professional jobs such as this Six months of infiltration and a trusted relationship, not just a sketchy email link The bug is patched but the real attack vector was the relationship and patience How do you protect against that? 🤯
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My job has changed, but not that much.
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Nick Smit retweeted
It's here!! This is the one I have been talking about! AWS Lambda Durable Functions are now officially out. If you want to see a deep dive of this, My buddy Michael Gasch (one of the PMs behind the magic) and I are presenting this on Wednesday. The catalog is getting updated, but watch for CNS380. aws.amazon.com/blogs/aws/bui…
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Fantastic to see logging for Amazon EventBridge launched! It took a while, but this will make it significantly easier to debug what's happening in your event bus. Congrats to the team!
Game changing launch for Amazon EventBridge timed with the New York summit (where EventBridge was launched 6 years ago)! EventBridge now supports logging to CloudWatch, S3, and Firehose, giving you a new level of visibility across your applications. aws.amazon.com/blogs/aws/mon…
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New blog post, with some career advice: brooker.co.za/blog/2025/06/2…
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I’m at #RSAC2025 this week! If you’re also in town, let me know — I’d love to say hi!
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