Richard "mtfnpy" Harman (he/him)

@xabean@infosec.exchange
871 Followers
833 Following
158 Posts

New follower requests: I deny anybody who doesn't exert the minimum amount of effort in filling out their mastoton profile. I'll accept you if you try again later w/ a filled out profile!

previously twitter.com/xabean || Sourcefire VRT -> Cisco Talos || perl, music, linux, 3d printing, electronics, woodworking, security research, and single.

💡 If I follow you, I think you're smart and have things to say/share I want to think about.

​ If you have cryptocurrency/blockchain tendencies, I do not want to be part of your timeline, nor do I want you in mine. ✌️

​ I'm here to follow/be followed by people, not brands. This is a personal interaction account, I get to be as selective as I like.

 If we've never interacted, and I block you, changes are it's because you posted GenAI trash.

blah blah words do not represent employers, use as directed, do not taunt happy fun ball, only you can prevent forest fires, the limits are UNKNOWN at zombocom.

I love this guy's absolute fuck-you attitude to Louis Vuitton https://www.youtube.com/watch?v=mIc76kTPJWA
DO NOT COPY LOUIS VUITTON

YouTube

I recently refreshed my article on analog-to-digital and digital-to-analog conversions. Did you know that there are many different ways to convert analog voltages to bits and bytes, and that some of the methods are quite... unhinged?

Check it out: https://lcamtuf.coredump.cx/blog/conversions/

DACs and ADCs, or there and back again

A look at how digital-to-analog and analog-to-digital converters work - from resistor ladders to delta-sigma modulation.

BREAKING: Judge James Boasberg rules for those deported under the Alien Enemies Act on March 15 — certifying a class, finding the U.S. maintained constructive custody over them at CECOT, finding they were not given due process, and ordering return or that such process be given by Jan. 5, 2026.
Ah, yes, let's heat water from 69f (not nice) to 130f, 220w heat pump mode v.s. 4400w heating element + heat pump hybrid.

Huh. Why is my hot water heater beeping at me? <digs through the manual> oh, it wants annual maintenance flush.

Okay let's drain two 80gal tanks. This will be fun.

Why is it always a practice of "Lets turn it off and see who screams" for things that are poorly documented or people are clueless about?
Fantastic! The most recent Win11 update broke Shift-Insert as paste into WSL terminals, which for decades worked across Windows and Linux. Now in vim I get <S-Insert>. So useful.
I think steamcommunity.com has gone kablooey

The feeling when you need a specialist tool, a torque wrench that can go down to 0.6 nm / 5.3 in-lb to properly tension the timing chain ni your car.

Most torque wrenches *don't even go that low*