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David Adrian

@dadrian.io
590 followers 101 following 264 posts

Used to do TLS, still kind of do TLS. Former Chrome Security. Founded Censys. @scwpod.bsky.social

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David Adrian @dadrian.io · 27/09/2026
I told yall
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David Adrian @dadrian.io · 26/09/2026
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David Adrian @dadrian.io · 26/09/2026
It’s that time of the week. #GoBlue
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David Adrian @dadrian.io · 13/09/2026
hey now score probability graphs only do this when the team is under extreme duress
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David Adrian @dadrian.io · 13/09/2026
Texas back y’all
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David Adrian @dadrian.io · 13/09/2026
I was told Texas was back.
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David Adrian @dadrian.io · 13/09/2026
Ryan Day looks like the evil robot Santa Claus from Santa Clause 2
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David Adrian @dadrian.io · 12/09/2026
Michigan football
static.klipy.com
Get The Word Out There
ALT: Get The Word Out There
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David Adrian @dadrian.io · 06/09/2026
The horror can vote today.
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David Adrian @dadrian.io · 06/09/2026
we’re only happy when we’re unhappy
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David Adrian @dadrian.io · 06/09/2026
Gonna kms
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David Adrian @dadrian.io · 27/08/2026
Since the last time Peikert was on, Michigan football and Michigan basketball both won a national championship. That's the new bar for repeat guests.
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David Adrian @dadrian.io · 23/08/2026
I wrote a post about how security undervalues preventing problems, and how this can be exasperated by AI and the vulnpocalypse, even though AI should actually make robustness much easier for defenders. Read it here: dadrian.io/blog/posts/w...
dadrian.io
Playing whack-a-mole is losing
I want to juxtapose two classes of people in the security industry on the defender side of security engineering for products. The first are the Security as Identity people. This goes back to the secur...
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Reposted by David Adrian
Deirdre Connolly¹ ² @durumcrustulum.com · 08/08/2026
This was very fun!! Thanks again to our sponsor Teleport 💃🕺
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Security Cryptography Whatever @scwpod.bsky.social · 27/07/2026
Are you coming to Vegas for BlackHat and DEF CON? Come to our happy hour! securitycryptographywhatever.com/events/black...
securitycryptographywhatever.com
SCWPodCon BlackHat 2026
"Security Cryptography Whatever" is hosting a party during BlackHat USA 2026, once again brought to you by Teleport!
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David Adrian @dadrian.io · 17/07/2026
Wrote another thing dadrian.io/blog/posts/h...
dadrian.io
Hacking is Just Bugs
Movies and video games make it seem like hacking is simply whoever is smarter at computers breaking into someone else’s system. That’s not quite the case. Hacking is the act of exploiting vulnerabilit...
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David Adrian @dadrian.io · 03/07/2026
New episode! www.youtube.com/watch?v=7ZwQ...
youtube.com
Trump's Golden Post Quantum EOs
YouTube video by Security Cryptography Whatever
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David Adrian @dadrian.io · 28/06/2026
dadrian.io/blog/posts/t...
dadrian.io
The Late Show
The Late Show always felt like adulthood to me. Growing up, I heard about David Letterman before I was old enough to stay up late enough to watch The Late Show. One of the local radio stations syndica...
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Filippo Valsorda @filippo.abyssdomain.expert · 26/06/2026
securitycryptographywhatever.com/2026/03/25/a... is very very good. If you read my vulnerabilities post, this podcast episode is much more worth listening to.
securitycryptographywhatever.com
AI Finds Vulns You Can’t With Nicholas Carlini
Returning champion Nicholas Carlini comes back to talk about using Claude for vulnerability research, and the current vulnpocalypse. It’s all very high-brow ...
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David Adrian @dadrian.io · 18/06/2026
"I just want to live up to my father" *father saves the world and turns into a star*
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serena (𝑂𝑓𝑓𝑙𝑖𝑛𝑒) @serena.nz · 11/05/2026
american culture is when drink is big
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David Adrian @dadrian.io · 15/06/2026
securitycryptographywhatever.com/2026/06/14/f...
securitycryptographywhatever.com
Facing the Vulnpocalypse With lcamtuf
We talk to Michał Zalewski (lcamtuf) about the vulnpocalypse and if we even need fuzzers anymore. This episode may be export controlled at a future date. Th...
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David Adrian @dadrian.io · 15/06/2026
New episode! We talk to @lcamtuf.coredump.cx about the vulnpocalypse. www.youtube.com/watch?v=uI9C...
youtube.com
Facing the Vulnpocalypse with lcamtuf
YouTube video by Security Cryptography Whatever
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David Adrian @dadrian.io · 01/05/2026
I poked around with @exe.dev some, and wrote up how I think their Github integration works, because it's pretty cool. dadrian.io/blog/posts/e...
dadrian.io
Proxies all the way down.
A couple of days ago, exe.dev raised a lot of money1. I decided to poke around with it a little, and signed up. Their trial is 7 days long, so despite having no actual plans, I just started doing stuf...
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David Adrian @dadrian.io · 26/04/2026
There was a 2013-core trend on TikTok a few months ago, hipsters, Brooklyn, third-wave coffee, drug rug and all
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PTKU Mega-Booster @emgoblue2023.bsky.social · 24/04/2026
Dad’s home $1 for every attendee of 13-10 #charitibundibowl @newap-georgia.bsky.social
$106005 wire transfer to New American Pathways
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David Adrian @dadrian.io · 24/04/2026
Not clear to me this has anything to do with the acquisition, versus it is simply very hard to run a company successfully for nearly 20 years, plus an absurd amount of additional load due to AI.
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Thomas Ptacek @sockpuppet.org · 30/03/2026
I wrote something: sockpuppet.org/blog/2026/03...
sockpuppet.org
Vulnerability Research Is Cooked
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David Adrian @dadrian.io · 27/03/2026
Like the design!
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David Adrian @dadrian.io · 27/03/2026
lead us on the golden path matt
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David Adrian @dadrian.io · 27/03/2026
Buy a real domain name.
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David Adrian @dadrian.io · 26/03/2026
I'm constantly distracting myself with substances.
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David Adrian @dadrian.io · 26/03/2026
Makes it even less surprising that Claude can find them, then!
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Security Cryptography Whatever @scwpod.bsky.social · 26/03/2026
NEW EPISODE! The gang learns a bitter lesson about AI and bug finding! Returning champion Nicholas Carlini is back to talk about Claude for vulnerability research. securitycryptographywhatever.com/2026/03/25/a... www.youtube.com/watch?v=_IDb...
youtube.com
AI Finds Vulns You Can't With Nicholas Carlini
YouTube video by Security Cryptography Whatever
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David Adrian @dadrian.io · 26/03/2026
In retrospect, if Adderall'd up college kids can find vulnerabilities, it's not too surprising that Claude can, too
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David Adrian @dadrian.io · 24/03/2026
Technically Canada is south of Detroit
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Chris Peikert @chrispeikert.bsky.social · 23/03/2026
new Joy of Cryptography just dropped (feat. Post-Quantum Crypto)
Cover of “The Joy of Cryptography” by Mike RosulekPart of the table of contents including a chapter on post-quantum cryptography
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Thomas Ptacek @sockpuppet.org · 14/03/2026
Extremely psyched about two upcoming SCW guests, one of them this week. We've got very crunch vulnerability research and cryptography stuff coming.
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David Adrian @dadrian.io · 08/03/2026
It really whips the llamas ass
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Deirdre Connolly¹ ² @durumcrustulum.com · 27/02/2026
new Merkle Tree Cert only Chrome Quantum Root Store: security.googleblog.com/2026/02/cult...
security.googleblog.com
Cultivating a robust and efficient quantum-safe HTTPS
Posted by Chrome Secure Web and Networking Team Today we're announcing a new program in Chrome to make HTTPS certificates secure against ...
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Reposted by David Adrian
Thomas Ptacek @sockpuppet.org · 28/02/2026
None of you are giving me enough credit for not participating on the TLS working group mailing list. You're welcome. Everything I don't do, I don't do it for you.
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David Adrian @dadrian.io · 18/02/2026
Who up losing they minds on this site?
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David Adrian @dadrian.io · 08/02/2026
media.tenor.com
bugs bunny is making a funny face with his mouth open and the words `` no '' written below him .
ALT: bugs bunny is making a funny face with his mouth open and the words `` no '' written below him .
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Security Cryptography Whatever @scwpod.bsky.social · 02/02/2026
NEW EPISODE! The maintainers of py/cryptography declared that after many years of trying to make it work, they would be moving away from OpenSSL when supporting new functionality and exploring adding other backends: securitycryptographywhatever.com/2026/02/01/p... www.youtube.com/watch?v=dEKB...
youtube.com
Python Cryptography Breaks Up with OpenSSL with Paul Kehrer and Alex Gaynor
YouTube video by Security Cryptography Whatever
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David Adrian @dadrian.io · 23/01/2026
Thinking about Curt Cignetti.
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David Adrian @dadrian.io · 21/01/2026
I cannot get over how impressive it is what Curt Cignetti accomplished at Indiana
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David Adrian @dadrian.io · 20/01/2026
media.tenor.com
bugs bunny is making a funny face with his mouth open and the words `` no '' written below him .
ALT: bugs bunny is making a funny face with his mouth open and the words `` no '' written below him .
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David Adrian @dadrian.io · 20/01/2026
Indiana shall light this holy ring, release its cleansing flame, and burn a path into the divine beyond!
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rmhrisk @rmhrisk.bsky.social · 16/01/2026
This is what zero-trust looks like at the infrastructure layer. Identity and encryption match the lifetime of the thing being secured. If your certificate strategy still assumes stable names and year-long validity, it is already behind reality. letsencrypt.org/2026/01/15/6...
letsencrypt.org
6-day and IP Address Certificates are Generally Available
Short-lived and IP address certificates are now generally available from Let’s Encrypt. These certificates are valid for 160 hours, just over six days. In order to get a short-lived certificate subscr...
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Deirdre Connolly¹ ² @durumcrustulum.com · 12/01/2026
dadrian.io/blog/posts/s...
dadrian.io
Stop inventorying keys.
If you have a reason to migrate to post-quantum cryptography (PQC), you should not be inventorying keys for the purpose of migration, and you should stop listening to anyone who suggests that you do s...
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