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Dan Fernández

@dnlfdz.bsky.social
60 followers 105 following 107 posts

Product in Cybersecurity | dnlfdz.com

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Dan Fernández @dnlfdz.bsky.social · 19/08/2026
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Dan Fernández @dnlfdz.bsky.social · 15/08/2026
github.com/slvDev/esp32...
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Dan Fernández @dnlfdz.bsky.social · 14/08/2026
I was starting to find flagging AI Slop on LinkedIn therapeutic. Thankfully AI Slop is a lot less prevalent. Can we now get rid of video shorts on all of social media platforms (I'm aware I sounds like a grumpy dad).
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Dan Fernández @dnlfdz.bsky.social · 13/08/2026
The technology is proven. My question is, are the economics of it proven? We shall see.
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Dan Fernández @dnlfdz.bsky.social · 13/08/2026
If differentiation eventually comes down to price advantages and utilization is higher than it should be because of subsidies it will be increasingly obvious that model creators have to move up the application stack.
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Dan Fernández @dnlfdz.bsky.social · 13/08/2026
Will a GPU that was used 24x7 since it was racked up depreciate at the same rate as one that gets different users periodically and different workload types probably not.
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Dan Fernández @dnlfdz.bsky.social · 13/08/2026
Another important consideration and counter argument is that we are miscalculating the shelf life of the hardware.
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Dan Fernández @dnlfdz.bsky.social · 13/08/2026
The important consideration here is that unlike commercial real estate it requires substantially more investment (to replace the hardware), the hardware itself depreciates significsntly more than the apartment building and value of tokens has depreciated.
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Dan Fernández @dnlfdz.bsky.social · 13/08/2026
I too looked at the ROI of AI infrastructure the wrong way. You have to consider that investments in this technology are not expected to 100X. It’s just expected to have a better return than another type of building: commercial real estate.
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Dan Fernández @dnlfdz.bsky.social · 12/08/2026
I’m starting to get a feeling that a lot of “independent journalism” and content on YouTube is no longer independent or “organic”. Oh well, back to my algorithmic recommendations.
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Dan Fernández @dnlfdz.bsky.social · 12/08/2026
Unfortunately it feels like a lot of the “ideas” getting funded these days. Except they don’t even make money.
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Dan Fernández @dnlfdz.bsky.social · 11/07/2026
Worst feeling but glad you made it!
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Dan Fernández @dnlfdz.bsky.social · 14/05/2026
After much consideration and deliberation; I have decided to take my vibe coding talents to Codeberg. codeberg.org/dnlfdz
codeberg.org
dnlfdz
Codeberg is a non-profit community-led organization that aims to help free and open source projects prosper by giving them a safe and friendly home.
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Dan Fernández @dnlfdz.bsky.social · 01/05/2026
Why does every social network eventually get overrun by unscrupolous people trying to push fake narratives for services you don’t want or need? I’m going to go interact with honest bots on Moltbook.
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Dan Fernández @dnlfdz.bsky.social · 27/04/2026
I just hope one day I get the confidence of “tech influencers”. Maybe when I grow up.
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Dan Fernández @dnlfdz.bsky.social · 23/04/2026
As much as we talk about Mythos in the context of security I haven’t heard much reporting about the potential vulnerabilities in “smart contracts”. Crypto bros might have some bad days ahead.
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Reposted by Dan Fernández
Mark C @largecardinal.bsky.social · 17/04/2026
Update; this is now the first AI Agent native QRNG! MCP server ready to go. 🦞🔗⤵️
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Dan Fernández @dnlfdz.bsky.social · 15/04/2026
Do I need a Dell Pro Max GB10? Absolutely not; do I want it? Heck yeah 😅
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Dan Fernández @dnlfdz.bsky.social · 09/04/2026
Completely agreed! The only sustainable approach is structural: isolate workloads, reduce lateral movement, and make it so a compromised model or agent can’t take the whole system down. Treating model execution environments more like hazardous material labs than open workspaces.
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Reposted by Dan Fernández
Alex Zenla 🏳️‍⚧️ @alex.zenla.io · 21/03/2026
Enjoyed doing our talk today on hypervisors at @rejekts.io! Was a blast! As Rejekts always is!
A photo of James and I speaking to a room of folks at Rejekts about Type-2 Hypervisors
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Reposted by Dan Fernández
Edera @edera.dev · 04/03/2026
Heading to NVIDIA GTC in San Jose? Already tired and you haven't even packed? Plan some relaxation into your schedule with the Infrastructure Security Lounge. Escape the conference chaos, enjoy some snacks and drinks, and follow the conference livestream. Register in advance, or just pop in!
luma.com
Infrastructure Security Lounge @NVIDIA GTC · Luma
Drop by the Infrastructure Security Lounge at NVIDIA GTC to connect with fellow engineers, technical leaders, and founders working on distributed systems, AI…
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Reposted by Dan Fernández
Edera @edera.dev · 03/03/2026
Edera is now live on Google Cloud Marketplace. You can procure Edera directly in GCP — and use your existing cloud credits to secure your container and AI workloads. Full isolation. Near-native performance. No procurement friction. Security without compromise, now one click away. edera.link/gcp
Edera X Google Cloud Marketplace
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Dan Fernández @dnlfdz.bsky.social · 16/02/2026
Quick update here local models are not the way to go for this tool, mainly because of system prompt size
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Dan Fernández @dnlfdz.bsky.social · 15/02/2026
When does a threat actor engage in a 💎🤲 position with this new framework? 🤣
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Dan Fernández @dnlfdz.bsky.social · 28/01/2026
So far I'm playing with LFM2.5-1.2B by Liquid AI. Thankfully I didn't wire in Claude because accounts are getting banned for it.
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Dan Fernández @dnlfdz.bsky.social · 28/01/2026
Bonus: I’m running local inference for the tool directly on the Mac Mini using LM Studio. For compute per dollar, that’s honestly some of the best value out there.
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Dan Fernández @dnlfdz.bsky.social · 28/01/2026
The serious answer though: some workflows really do benefit from a device like this especially when you’re trying to avoid website rate limits or need to integrate with actual macOS apps. It’s not quite the same comparison as a Raspberry Pi for that reason.
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Dan Fernández @dnlfdz.bsky.social · 28/01/2026
Okay, I’ll admit it I just needed an excuse to finally buy a Mac Mini (been wanting one for way too long).
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Dan Fernández @dnlfdz.bsky.social · 28/01/2026
P.S: The Clawd/MoltBot product has in-depth documentation and tooling to avoid security issues. I'm sure as an awesome open source project it will evolve overtime to be more secure by default.
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Dan Fernández @dnlfdz.bsky.social · 28/01/2026
Expecting people to "not use" technology because it's unsafe is a losing proposition for consumer or enterprise apps. It's our responsibility as people building in technology that products are secure. Passing the blame to the user is 1) not an excuse 2) a sure way to not succeed as a business.
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Dan Fernández @dnlfdz.bsky.social · 28/01/2026
For the paranoid a hardware security key where applicable is even better. (I'm looking at you U.S Banks with dismal security that still don't support hardware keys for customers and rely on SMS).
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Dan Fernández @dnlfdz.bsky.social · 28/01/2026
b) don't enable 2FA on everything (whether authenticator code apps or passkey vs SMS based 2FA) you can consider yourself lucky that your accounts have not yet been compromised.
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Dan Fernández @dnlfdz.bsky.social · 28/01/2026
Forget about how irresponsible your Clawd/MoltBot usage is if you don't a)use a password managers for unique passwords per account
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Dan Fernández @dnlfdz.bsky.social · 28/01/2026
Prompt injections are real and there is no real solution for them... yet.
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Dan Fernández @dnlfdz.bsky.social · 26/01/2026
I barely stepped away from “geeking out” for less than 48 hrs and apparently I’m supposed to be running Clawdbot and should have purchased a Mac Mini for it… Don’t tell my wife but I already did. Also I’m all up for being in tech to constantly learn but can we slow down a bit 🤣
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Dan Fernández @dnlfdz.bsky.social · 22/01/2026
Does anyone else try to completely maximize their Claude Opus weekly allowance before it resets? It’s like going to a fancy buffet and repeating the fanciest dish one last time right?
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Dan Fernández @dnlfdz.bsky.social · 20/01/2026
I have been using Perplexity Pro for about two months and I haven’t once since then used Google does anyone else feel like traditional search even Google’s AI assisted search is severely lagging behind?
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Dan Fernández @dnlfdz.bsky.social · 18/01/2026
Ha! ossa-ma.github.io/blog/openads
ossa-ma.github.io
The A in AGI stands for Ads
Had to crunch the ad revenue projection numbers for OpenAI real quick, had enough of the fearmongering and nonsense takes. AGI... now funded by 5x60 second unskippable ads!
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Dan Fernández @dnlfdz.bsky.social · 16/01/2026
Post test limits here are annoying me a bit so giving Substack a shot. substack.com/@dnlfdz/note...
substack.com
Daniel Fernàndez (@dnlfdz)
AI Assisted White Collar Work: Optimistically Pessimistic A while back, we heard about tools limiting usage because of abuse in coding tasks. At the time, I couldn’t really grasp how someone could hi...
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Dan Fernández @dnlfdz.bsky.social · 13/01/2026
How long until Enterprise Software / Productivity suites cutoff API access to competing AI agents? I’m going to guess we end up with walled gardens. Do companies like Box/Dropbox have a MOAT for “holding the data”? We shall see.
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Dan Fernández @dnlfdz.bsky.social · 22/12/2025
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Dan Fernández @dnlfdz.bsky.social · 20/12/2025
Well, it’s going to be a weekend full of fun tests with my new and flashy “WiFi 7 Router”
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Dan Fernández @dnlfdz.bsky.social · 16/12/2025
Those are still some impressive numbers.
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Dan Fernández @dnlfdz.bsky.social · 16/12/2025
Please don’t tell me you rocking just a t-shirt.
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Dan Fernández @dnlfdz.bsky.social · 12/12/2025
Economics Rant: has anyone considered the premise that maybe gold price is not as high as we think and maybe the USD is just worth exponentially less overtime? Anyway; back to printing money.
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Dan Fernández @dnlfdz.bsky.social · 10/12/2025
Product Management is evolving fast. Join me and other product professionals exploring how product leaders can thrive in the age of intelligent systems. Let’s shape the future of our discipline together. www.linkedin.com/pulse/produc...
linkedin.com
Product Futurists - How Product Management Must Evolve in the Generative AI Era
A few weeks ago, I watched something that stopped me cold. In a modern developer workflow, multiple AI agents were running code implementation in parallel; planning, executing, and iterating faster th...
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Dan Fernández @dnlfdz.bsky.social · 09/12/2025
Looks like @hak5.bsky.social 🍍📟 WiFi Pineapple Pagers were finally approved by the FCC. Christmas is coming early!
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Dan Fernández @dnlfdz.bsky.social · 05/12/2025
I'm here to update the count to 1,020 🧵
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Dan Fernández @dnlfdz.bsky.social · 26/11/2025
Black Friday is almost here, the day where we constantly add things to an e-commerce shopping cart we won't buy and probably won't need. If only they did the same discounts for domain names so we continue to buy and register domains we don't need.
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Reposted by Dan Fernández
Ariadne Conill 🐰 @ariadne.space · 25/11/2025
On #LinkedIn, I shared a preview of @edera.dev's next generation of testing infrastructure, which we have brought in house for efficiency reasons. www.linkedin.com/feed/update/...
linkedin.com
Last night, I was working until late in the night setting up Edera's new colocation setup for our CI cluster. I can hear it now: why colocation in 2025? Why not use cloud for everything? While…...
Last night, I was working until late in the night setting up Edera's new colocation setup for our CI cluster. I can hear it now: why colocation in 2025? Why not use cloud for everything? While Eder...
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