Lawrence Teo
@lteoSecurity software developer | Co-founder @calyptix | OSCE3 | @OpenBSD hacker 🐡 | PhD infosec | language nerd | musician 🎸🎹
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My BSDCan talk on building a threat intelligence system with #OpenBSD is now online! Thank you @DLangille and the @BSDCan Program Committee for the opportunity to present! #threatintel youtube.com/watch?v=qQdcAn…
We had an amazing time at Fiber Connect 2024 in Nashville! The @Calyptix team, including @BenYarbrough, @lteo, and John Black from Offset3, enjoyed insightful sessions and networking. Excited for a safer, connected future! #FiberConnect2024 #BroadbandSecurity #Innovation
Listen to those who’ve doubled their shield strength. 📢 Calyptix Security presents a webinar next week with experts Andrew Baker & Duane Pettus. True stories and solutions for 'Top Security Threats and Challenges Facing SMBs'. @BrainWaveCC attendee.gotowebinar.com/register/49130…
This is such an incredible cover of Eric Johnson’s “Cliffs of Dover” 🤯 youtu.be/J4DNC65MrRY
With "Meterpreter vs. Modern EDR(s)" I want to show, that the shellcode of well-known C2 frameworks like Metasploit is not always a limiting factor. No new insights, but I want to share them with the #infosec community. redops.at/en/blog/meterp… #redteam #itsec #itsecurity
I haven't posted here for a long time. Has Twitter imploded ye9#R({!*@&IA&^C&$.;`a!NO CARRIER
The OpenBSD project celebrates its 53rd release! See what's new here: openbsd.org/72.html Read the announcement here: marc.info/?l=openbsd-ann…
Looking forward to Day 2 of the SANS #BlueTeamSummit which starts in two hours! (4:00pm UTC) If you missed Day 1, you can still join virtually for free at sans.org/cyber-security…
With the OSEP/OSED/OSWE trifecta completed, I'm thrilled that I have now obtained the OSCE3! Thank you @offsectraining as well as everyone who has supported, encouraged, and inspired me, especially my wonderful family for always believing that I could do it!
After many nights of staring at code and surviving an intense exam, I have obtained the OSWE certification! Thank you @offsectraining for an excellent course and amazing experience. Highly recommended for everyone who wants to level up their web app security skills!
I had a great conversation with @TinaTerryWSOC9 about the recent possible data breach at Novant Health involving Facebook's Meta Pixel. Organizations should be very cautious when deploying trackers, especially on sites with sensitive info. wsoctv.com/news/local/nov…
We updated our comprehensive blog on ransomware-as-a-service with information on recently observed activities from DEV-0193 (Trickbot LLC), DEV-0504, DEV-0237, and DEV-0401, and a new section on Qakbot campaigns that lead to ransomware deployments: msft.it/6013bWxOf
I'll be talking at @BSDCan this weekend about how the awesome team at @calyptix uses OpenBSD to build a threat intelligence system for thousands of SMBs. BSDCan is virtual this year. Hope to see you there! #openbsd #threatintel #threatintelligence #smb bsdcan.org/events/bsdcan_…
Ten years ago today, I made my first commit to the #OpenBSD source tree! A big thank you to the OpenBSD dev team for letting me be part of this great project for the past decade. It has been an incredible journey! 🐡 github.com/openbsd/src/co…
Lunar eclipse going on right now, but it’s cloudy and I can’t see anything! 🤦♂️ The last lunar eclipse I saw was out in the freezing cold at the SANS #CTISummit in 2019. That felt like it was several lifetimes ago 🥲
Dial-up modems, VHS, floppy disks... Not everything in 1994 was destined to last. But it *was* the year @billpollock founded No Starch Press, and we've been going strong ever since! To celebrate our 28th anniversary, enjoy 28% off SITE-WIDE 'til Monday --> nostarch.com
The OpenBSD project celebrates its 7.1 release! See what's new here: openbsd.org/71.html Read the announcement here: marc.info/?l=openbsd-ann…
![dayzerosec's profile picture. Account for the day[0] podcast + media.](https://pbs.twimg.com/profile_images/1221600753904537601/8sV0PIy_.png)
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