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Joe Grand ✓

@joegrand · Portland, OR · joined 18 Jun 2008

Hardware hacker, computer engineer, former L0pht member and juvenile delinquent, sometimes known as Kingpin.

29 140Followers
599Following
2 936Posts total
46.3KViews on collected posts

Latest posts

For over three years, @LennertWo and I have worked on improving fault injection attacks against STM32F2 and STM32F4 devices to make them more repeatable and reliable. It's been a roller coaster of late nights, bricked chips, and questioning our life choices, resulting in over 100
Screenshot from Joe and Lennert's REcon 2026 presentation showing an STM32F2 side channel power analysis plot
Joe and Lennert after their REcon 2026 presentation courtesy of Iceman, Joe is holding their voltage fault injection platform
Joe's electromagnetic fault injection platform with oscilloscope in the background showing their payload dumping protected flash memory
Joe's workbench during STM32 target preparation
12.5K views · 237 likes · 57 reposts · 5 replies Open on X →
Today! 3K views · 14 likes · 0 reposts · 0 replies Open on X →
Tomorrow at 11am PT! 4.6K views · 15 likes · 3 reposts · 0 replies Open on X →
Anyone have a connection to the kid collecting badges? I might have a few things to send them... 7.8K views · 56 likes · 9 reposts · 4 replies Open on X →
@joegrand @hardwear_io Are those wires extending out the top of frame possibly laid / embedded in that white gunk? Anti tamper? Or are they an NFC coil? 169 views · 0 likes · 0 reposts · 0 replies Open on X →
@joegrand @hardwear_io Is that wire coil an improvised antenna? 718 views · 1 likes · 0 reposts · 2 replies Open on X →
@joegrand @hardwear_io Did you remove a component here or is that an artifact? https://t.co/9MtNZIbosJ
373 views · 1 likes · 0 reposts · 2 replies Open on X →
Video from my Reverse Engineering a Ledger Nano X Hardware Implant talk (@hardwear_io) is up along with firmware extracted from the implant! https://t.co/90F35XPLnr https://t.co/UKz5sIQZwp
A real-world hardware implant discovered inside of a Ledger Nano X cryptocurrency wallet
14.2K views · 155 likes · 32 reposts · 4 replies Open on X →
Hacks Under Pressure (@Bsides_BNE #BSidesBrisbane) slides are up! https://t.co/of9uHE3YyD https://t.co/u1oSa7YKUC
Joe Grand looks on in disbelief after performing a live hack.
3.1K views · 40 likes · 6 reposts · 2 replies Open on X →

Against accounts of the same size

4 posts from the last 90 days, next to the 10K–100K follower range. shown widely, but few of those viewers react.

Median views6 180this account924median for 10K–100K
Reach, %21.21%this account3.62%median for 10K–100K
Engagement, %0.68%this account1.52%median for 10K–100K
MetricThis accountMedian for 10K–100KRatio
Median views per post6 1809246.69×
Reach (views ÷ followers)21.21%3.62%5.86×
Engagement rate0.68%1.52%0.45×

Others in this range →   Compare with another account →   How these benchmarks are built →

Growth & engagement

How the posts we collected actually performed: views and reaction rate post by post, what the audience did with them, and where the follower count goes.

Views per post

3.1K17 Jul
14.2K20 Jul
373
718
16921 Jul
7.8K4 Aug
4.6K6 Aug
3K7 Aug
12.5K8 Sep

Last 9 collected posts, oldest on the left. The scale is logarithmic: one post can outrun the rest a hundred times over.

Engagement rate per post

1.54%17 Jul
1.36%20 Jul
0.80%
0.42%
0.00%21 Jul
0.89%4 Aug
0.41%6 Aug
0.47%7 Aug
2.42%8 Sep

Reactions — likes, reposts, replies and quotes — divided by views. Median for 10K–100K accounts is 1.52%.

What the audience does

Likes65.0%519 in total
Reposts13.4%107 in total
Replies2.4%19 in total
Quotes0.6%5 in total
Bookmarks18.5%148 in total

Share of every reaction we collected for this account. Replies mean argument, reposts mean endorsement, bookmarks mean the post was worth keeping.

The follower curve appears once this account has two daily snapshots — we take one a day, and this one is on its first.

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