Joe Rozner
@jrozner.bsky.social
Startups, hacking, snowboarding. I build shit in Los Angeles. Writing about my journey to scalable vuln discovery @ https://goingbeyondgrep.com
First two ghosts finished. Still need to process the pink
November 2, 2025 at 12:47 AM
First two ghosts finished. Still need to process the pink
The first of my practice ghosts before I start working with the final colored tubes
October 18, 2025 at 7:30 PM
The first of my practice ghosts before I start working with the final colored tubes
First time making a chocolate soufflé. It came out ok except for the whole leaning part
October 13, 2025 at 4:02 AM
First time making a chocolate soufflé. It came out ok except for the whole leaning part
Someone is going to have a bad day when they realize they lost this
June 17, 2025 at 5:33 PM
Someone is going to have a bad day when they realize they lost this
This year’s contest was an rp2350 based “crypto wallet” with secure boot, encrypted flash, protected OTP, disabled debugging, and the glitch detectors turned up. The design is meant to be a target to easily replicate Aeden’s attack against the chip with no desoldering
May 26, 2025 at 5:33 PM
This year’s contest was an rp2350 based “crypto wallet” with secure boot, encrypted flash, protected OTP, disabled debugging, and the glitch detectors turned up. The design is meant to be a target to easily replicate Aeden’s attack against the chip with no desoldering
Really excited to test out the YubiHSM 2 as a very low cost option for running our PKI on prem.
April 8, 2025 at 3:58 PM
Really excited to test out the YubiHSM 2 as a very low cost option for running our PKI on prem.
Found some old photos from @cellphonedude.bsky.social of me learning how to blow fire at shellcon
April 8, 2025 at 1:56 AM
Found some old photos from @cellphonedude.bsky.social of me learning how to blow fire at shellcon
Enjoying the 1” of overnight powder. At least it’s slightly better than the ice sheet it was yesterday
March 30, 2025 at 5:24 PM
Enjoying the 1” of overnight powder. At least it’s slightly better than the ice sheet it was yesterday
Got some ducks taking a nap by the pool
March 25, 2025 at 10:17 PM
Got some ducks taking a nap by the pool
This is one of my favorite photos I have of Oso and I. He’s now been gone for longer than I had him which is crazy to realize
March 16, 2025 at 5:56 PM
This is one of my favorite photos I have of Oso and I. He’s now been gone for longer than I had him which is crazy to realize
I can’t keep my kiwi Siri and use image playground
February 25, 2025 at 12:05 AM
I can’t keep my kiwi Siri and use image playground
The table and clamps was worth every penny. Had this for a few seasons now and no more janky setups
February 21, 2025 at 4:17 AM
The table and clamps was worth every penny. Had this for a few seasons now and no more janky setups
Just came off. We’ll see how it came out. Swapped to high temp around 95f. Maybe I should have done it a little lower to get more time and better charring.
February 18, 2025 at 8:46 PM
Just came off. We’ll see how it came out. Swapped to high temp around 95f. Maybe I should have done it a little lower to get more time and better charring.
Fires done and finally can use the smoker again. Hot and fast Tri tip for lunch
February 18, 2025 at 7:30 PM
Fires done and finally can use the smoker again. Hot and fast Tri tip for lunch
Off to a great start. Mild altitude sickness and my goggles broke. Let’s hope the duct tape holds through the weekend.
January 17, 2025 at 11:25 PM
Off to a great start. Mild altitude sickness and my goggles broke. Let’s hope the duct tape holds through the weekend.
Finished matzo ball soup
January 12, 2025 at 7:09 AM
Finished matzo ball soup
Made a chicken broth over night in the slow cooker. Even hot there is a semi-solid gelatinous layer on top. Gonna make some matzo balls later
January 9, 2025 at 6:04 PM
Made a chicken broth over night in the slow cooker. Even hot there is a semi-solid gelatinous layer on top. Gonna make some matzo balls later
Playing not great but the katsu curry tasted pretty great
January 3, 2025 at 4:47 AM
Playing not great but the katsu curry tasted pretty great
It’s time for leftovers
December 31, 2024 at 8:11 PM
It’s time for leftovers
Duck fat latkes. Gonna pull these off and give them a taste test to see whether I want to do the whole batch with it
December 31, 2024 at 3:14 AM
Duck fat latkes. Gonna pull these off and give them a taste test to see whether I want to do the whole batch with it
Off the smoker resting before going into the oven to crisp
December 31, 2024 at 3:13 AM
Off the smoker resting before going into the oven to crisp
First rib roast on the smoker. Can’t wait to try this
December 30, 2024 at 11:54 PM
First rib roast on the smoker. Can’t wait to try this
One of the last red team ops we ran was called floss boss and was meant to be a returning actor from a previous op, molar bear. We got branded dental hygiene kits made as propaganda to spread the lessons learned.
December 17, 2024 at 8:54 PM
One of the last red team ops we ran was called floss boss and was meant to be a returning actor from a previous op, molar bear. We got branded dental hygiene kits made as propaganda to spread the lessons learned.
