Vulnerability Research Is Cooked: “You can't design a better problem for an LLM agent than exploitation research”

https://simonwillison.net/2026/Apr/3/vulnerability-research-is-cooked/#atom-everything

Hope you have redundant offsite archived backups.

#jgshare

Vulnerability Research Is Cooked

Thomas Ptacek's take on the sudden and enormous impact the latest frontier models are having on the field of vulnerability research. Within the next few months, coding agents will drastically …

Simon Willison’s Weblog

“2,208 deaths while homeless in Los Angeles in 2024”

https://substack.com/home/post/p-191031947

As American non-college income share declines the most vulnerable are pushed to the streets. Perhaps because support networks collapse. On the streets fentanyl use is arguably rational.

#jgshare

6 Homeless Deaths Per Day in Los Angeles

Every Single Day, All Year Long

“Life Time is aiming for the high end of the K-shaped economy, a term describing America’s widening wealth gap”

https://www.startribune.com/life-time-athletic-country-clubs-growth-higher-end-k-shaped-economy/601634290

When you look you see this everywhere. Much of it is the college-noncollege class gulf. What I call “mass disability”

#jgshare

“next thing I knew, Trump was getting up and moving to the far left … as far away from Bondi as possible”

https://www.contrariannews.org/p/i-was-there-for-the-trump-bondi-breakup

Bondi’s humiliation is our breakfast cheer. (He will try to do worse — but worse will accelerate his downfall.)

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I Was There for the Trump-Bondi Breakup

And Other Tales from the Birthright Argument at SCOTUS: Publisher’s Roundup 61

The Contrarian

“Medicare-like health plans (sometimes referred to as the public option) would be available to everyone who wants such coverage. These alternatives would then compete against private plans.”

https://www.forbes.com/sites/joshuacohen/2026/04/03/medicare-by-choice-concept-could-work-but-more-details-needed/

Dems start to imagine again.

VHA should be a part of any public option system.

#jgshare

‘Medicare By Choice’ Plans Could Work, But More Details Needed

Medicare by Choice would make available Medicare-like health plans to everyone who wants such coverage. These would then compete against private plans.

Forbes

What serious social engineering looks like - you don't have a chance.

https://simonwillison.net/2026/Apr/3/supply-chain-social-engineering/

"I join a lot of meetings where I find myself needing to install Webex or Microsoft Teams or similar at the last moment and the time constraint means I always click “yes” to things as quickly as possible to make sure I don’t join late."

#jgshare

The Axios supply chain attack used individually targeted social engineering

The Axios team have published a full postmortem on the supply chain attack which resulted in a malware dependency going out in a release the other day, and it involved …

Simon Willison’s Weblog

"Hegseth has reworked the Chaplain Corps recently to limit the range of religious instruction available to military personnel."

https://heathercoxrichardson.substack.com/p/april-2-2026

Evangelicals will regret this.

#jgshare

April 2, 2026

This afternoon, President Donald J.

Letters from an American

Claude-built python app for tuning macOS Preview PDF highlights into a plaintext list

https://tech.kateva.org/2026/04/my-new-favorite-utility-claude-built.html

I like this app a lot. Turns my macOS Preview highlights into plaintext I dump into MindNode. With page refs and a header. It's all ai generated, so I share the output and a general description. Code available on demand.

#jgshare

My new favorite utility - a Claude-built python app for tuning macOS Preview PDF highlights into a plaintext list

Technical fixes, tips and findings -- all based on my personal experience. Mostly macOS and iOS.

“There is a pervasive billionaire assumption that mainstream legacy journalism is “liberal,”

https://talkingpointsmemo.com/edblog/neutrality-authoritarianism-and-thoughts-on-the-cult-of-both-sides

I wasn’t always a wealth tax guy.

“in a basic sense the current American right simply isn’t interested in news or journalism as most of us conceive it.”

#jgshare

Neutrality, Authoritarianism, and Thoughts on the Cult of Both Sides

Over the weekend I noticed an example of one of the most...

TPM - Talking Points Memo

Microsoft Xbox One Hacked: "instead of tinkering with the system rest pin(s) the hacker targeted the momentary collapse of the CPU voltage rail"

https://www.schneier.com/blog/archives/2026/03/microsoft-xbox-hacked.html

Technically impressive. Unclear economic impact but a great lesson.

#jgshare

Microsoft Xbox One Hacked - Schneier on Security

It’s an impressive feat, over a decade after the box was released: Since reset glitching wasn’t possible, Gaasedelen thought some voltage glitching could do the trick. So, instead of tinkering with the system rest pin(s) the hacker targeted the momentary collapse of the CPU voltage rail. This was quite a feat, as Gaasedelen couldn’t ‘see’ into the Xbox One, so had to develop new hardware introspection tools. Eventually, the Bliss exploit was formulated, where two precise voltage glitches were made to land in succession. One skipped the loop where the ...

Schneier on Security