Dennis @DennisF

ΣΧ, co-founder of @DecipherSec. New novel BE GONE available NOW: shorturl.at/hosF2. Worst-selling author. Friend of hackers. @duosec forever.

decipher.sc
Joined July 2008
Pinned Tweet
Dennis @DennisF
23 Aug 2018
Son: Do you know what two-factor authentication is? Me: Uh, yeah? Son: I get a free dance on @Fortnitegame if I enable two factor. Can we do that? Incentives matter.
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That’s my brother Trav driving that rig!
Matt Roan
 @MattRoanAD
Nov 7
Fam couldn’t make this trip, so here is my early morning ride to West Virginia. Thanks to Diesel Duke’s driver, Travis Dunham, for providing the lift. Appreciate everybody who makes the Dukes go. #GoDukes
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When Tom writes a thing you should probably read that thing.
Thomas H. Ptacek @tqbf
Nov 6
I wrote a thing. fly.io/blog/everyone-write-a…
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Dennis retweeted
JMU Sound Off
 @JMUSoundOff
Nov 6
Focus on us hype video against Marshall by @JmuAfton and narrated by @J_BrOwN2302! #GoDukes Clips credit of JMU Creative Services
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Q&A: Sean Zadig of Yahoo on Employing AI in Security decipher.sc/2025/11/06/qa-se… #decipher #deciphersec

Q&A: Sean Zadig of Yahoo on Employing AI in Security - Decipher

There are plenty of challenges and pitfalls for security teams looking to deploy AI tools and Zadig said Yahoo is taking a measured, careful approach. This i...

decipher.sc
The sails are up and the bets are down Let's lighten up this harbor town By hook or crook or new design We're streakin' for that finish line We ain't stealin', we're just takin' back Very simple plan of attack It's our job and a labor of love Take it home to the up above…
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Google: Threat Actors Testing AI During Malware Execution decipher.sc/2025/11/05/googl… #decipher #deciphersec

Google: Threat Actors Testing AI During Malware Execution - Decipher

Threat actors are now using LLMs in malware during execution, as a way to alter the malware’s behavior to enable detection evasion and more.

decipher.sc
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"It's not just about cyber literacy... it's a challenge." This was a great discussion on teaching kids about hacking (in the broad, classical sense) safely and ethically
Decipher @DecipherSec
Nov 5
🎥 New podcast alert! 🎥 Very fun episode with @Yahoo CISO Sean Zadig on the challenges of raising the next generation of hackers. piped.video/e7K16g5JONc?si=P3Si…
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Dennis retweeted
Decipher @DecipherSec
Nov 5
🎥 New podcast alert! 🎥 Very fun episode with @Yahoo CISO Sean Zadig on the challenges of raising the next generation of hackers. piped.video/e7K16g5JONc?si=P3Si…

Yahoo's Sean Zadig on How to Raise a Hacker Safely and How AI Isn't...

Yahoo CISO and Chief Paranoid Sean Zadig returns to the podcast for a discussion with Dennis Fisher about how to go about getting kids interested in technol...

youtube.com
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Me trying to correlate different vendor APT naming conventions to figure out if they're talking about the same installer
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GIF
Ok
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Just saw the great @MegGardiner1 on the Prestige TV podcast with @BenLindbergh describing an eye injury sustained while watching a Breaking Bad episode. Amazing story.
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theringer.com/2025/11/04/tec…

The AI Bubble Is Not a Question. What Happens If It Bursts Is.

The AI industry's most important product is not a chatbot or a video generator; it's the story the AI industry is telling about itself

theringer.com
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Little chilly in the home office today so I decided to update my Apple devices. Problem solved.
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Going outside anytime after 4 pm in november
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Dennis retweeted
Decipher @DecipherSec
Nov 3
Some good information from the Australian @ASDGovAu on ongoing exploitation activity targeting Cisco devices and the use of the BADCANDY implant post-compromise. cyber.gov.au/about-us/view-a…
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This is so so rad extension765.com/blogs/soder…
Come Monday, it’ll be alright…
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Documentary, you say?
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Dennis retweeted
JMU Football @JMUFootball
Nov 2
The Wayne Train 🚂 Through 8 games, Knight ranks third nationally with 137.88 all-purpose yards per game. #GoDukes
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Dennis retweeted
Bobby Wagner @bwags
Nov 2
no sport is even close to baseball
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