edskoudis @edskoudis Twitter profile

Last Seen Profiles

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@bjjj5x

edskoudis

@edskoudis

4 years

Got @Netflix working on the @Raspberry_Pi 4 on the 1951 @Zenith Porthole TV. Such fun!

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@edskoudis

2 years

It’s official! We’ve LAUNCHED SANS Holiday Hack Challenge 2021! Help Santa and the elves deal with Jack Frost and his trolls' latest shenanigans while building great cyber security skills! Hop in even for a couple min to hear fun new tunes!

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@edskoudis

2 years

My mom. Gloria Marie Dobbie. May 17, 1951 to May 6, 2022. RIP. Love ya, Mom.

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@edskoudis

6 years

We’re off to see the…. 2017 #SANSHolidayHack Challenge!!!! Snowballs and Hacking and Elves… Oh my! Enjoy!

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@edskoudis

4 years

Gosh, my daughter is telnet port years old today. Ssh port years old went so fast, and SMTP ain’t too far away. Time sure flies. DNS, HTTP, and even SMB coming down the road before you know it!

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@edskoudis

6 years

This year’s #SANSHolidayHack is epic… A team of artists releases an album of brand-new holiday music, a new video game, and the best-ever hacking challenges we’ve ever done… Coming soon to a browser near you! Stay tuned… About a week or so!

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@edskoudis

5 years

Oh wow! Is _this_ gonna come in handy!!!

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@edskoudis

4 years

Hey! I just noticed that today is 10-10-20-20.

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@edskoudis

5 years

Wanna see ALL the amazing talks at SANS #HolidayHack 2018 KringleCon on-line virtual conference? Such amazing speakers. Great short-form talks. Access them all OnDemand, right now! Of course you do!

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@edskoudis

6 years

Wow! This looks like a _really_ useful new blog post by Counter Hack’s own @christojdav on Attacking Web-Based LDAP Infrastructures.

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@edskoudis

1 year

So today, my beloved daughter Jessica will get married to Greg, the love of her life. I’m the proud and thankful father of the bride this fine day. Got my tux and speech all ready. What a day we have planned!

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@edskoudis

7 years

SURPRISE! We just launched the 2016 #SANSHolidayHack ! Enjoy it at Happy Holidays! --Your Friends at SANS.

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@edskoudis

5 years

So this morning, @KringleCon announced the recognition of the first-ever KringleCon Fellow: the one and only @strandjs . Santa himself wanted to recognize John for his amazing contributions to the community. Please join us in thanking John for being John. ❤️🎅🏻❤️

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@edskoudis

4 years

Just had a Daddy Daughter Date Night with my 22 yo daughter. It was wonderful. Best time I’ve had in 2 months of lockdown.

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@edskoudis

4 years

True story: I named my son Joshua after the password in this movie. Wife didn't realize it until Joshua was 11 years old and I fessed up. #histflix

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@edskoudis

5 years

Last night, Santa Claus gave me my first glimpse of the 2020 SANS #HolidayHack story line. That guy blows my mind every year. 🎅

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@edskoudis

6 years

The retina doctor said my eyes are in the same state they were in 2 yrs ago! No further deterioration. I’m super happy and thankful. Yay! :D

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@edskoudis

3 months

@_JohnHammond That’s confusing (it doesn’t make sense) and it’s confusing (it really really doesn’t make sense).

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@edskoudis

5 years

GREAT NEWS, folks. During church today, my wife pulled me aside with a big smile on her face and suggested we have Christmas tacos on Christmas Eve... and enchiladas on Christmas Day. That’ll work. Holiday spirit is all about loving compromise. It’s a Festivus miracle. :) 13/12

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@edskoudis

6 months

Ahoy! We are DELIGHTED to announce the launch of SANS Holiday Hack Challenge 2023! It's a free gift to the community from @SANSInstitute . Build cyber skills while having fun, leveraging AI. For all skill levels, novice to advanced & everyone in between!

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@edskoudis

3 years

So… it’s time! Official launch of the 2020 SANS #HolidayHack challenge and KringleCon 3: French Hens is NOW!!! Please join us at for the fun! Happy holidays from Santa and all the Elves! @KringleCon

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@edskoudis

6 years

So we have FOUR new Counter Hackers starting work TODAY! I’m super excited. The team is growing. They’ll be building new NetWars, Holiday Hack, SANS classes, and a whole bunch more magic!

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@edskoudis

4 years

All the elves at the North Pole are working diligently tonight to prepare @KringleCon and SANS #HolidayHack for you! Get ready! It’s coming soon. PSHEW!!!! Almost there.

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@edskoudis

6 years

Christmas In July? Well, not exactly… But Santa has asked us to open up registration for a very special event he’s hosting for the SANS #HolidayHack challenge this year. This December, you are cordially invited to… Register NOW for free! :D

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@edskoudis

5 years

Winding down my @derbycon IX experience. Don't cry because it's over, smile because it happened: @BanjoCrashland @iagox86 @HackingDave @chaumurky @cantcomputer @irongeek_adc @brysonbort @jorgeorchilles @at1as @SW_Samii @Carlos_Perez @wimremes @lelandneely @that_guy_ego

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@edskoudis

4 years

Social media is a societal disaster. Prove me wrong. Good luck! You need it.

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@edskoudis

3 years

Hmmmmm…

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@edskoudis

3 years

One of the most useful items in reviewing an article on cyber security: the date published. Hey publishers - if you leave that out, your article is almost worthless. Click bait. Why bother reading it? I guess you got your click, but I retroactively want to block you.

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@edskoudis

4 years

SANS #HolidayHack 2020 is coming to a browser near you in December, just a handful of weeks from now! The whole team here can't wait to share what the North Pole has been working on all year. Oh, and I'm getting a few inklings about HHC 2021 right now... Hmmm.... Interesting!!!

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@edskoudis

4 years

I’m so happy! @iagox86 and I just tested Google hangouts via the rasp pi 4 and 1951 Zenith Porthole TV. It worked perfectly! Including audio out via the antique speakers. So wonderful. And Ron looked great!

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@edskoudis

7 years

Seems to me there should be an Amazon project for a Raspberry Pi image that implements an Amazon Dash button that orders more Raspberry Pi's

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@edskoudis

5 years

Hey folks, To help people get easier access to the #HolidayHack challenges, we’re releasing them on a single web page. Check here for details: And for all the great new Holiday Hack music, get the free album: Have fun! :D

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@edskoudis

4 years

It’s officially official! Santa and the elves just officially launched the 2019 SANS #HolidayHack Challenge with KringleCon 2: Turtle Doves! Please join the fun! Happy holidays from the the whole SANS Holiday Hack team!

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@edskoudis

7 years

The elves are adjusting bulbs, polishing ornaments, & doing reindeer maintenance. The 2016 SANS Holiday Hack Challenge will go live MONDAY!

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@edskoudis

4 years

It's official! We've launched the new #CounterHack website to share info about our team's adventures, pen test lessons learned, and related consulting work. Check it out!

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@edskoudis

6 years

This morning I greeted each employee on their way into the office with a squid on my head. #professionalism .

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@edskoudis

4 years

So yesterday, I logged into a Zoom chat and the first thing I heard was someone exclaim, “DAMN! You _do_ look just like the guy from Breaking Bad.” I replied, “Yes. Yes, I do.” No idea who said it.

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@edskoudis

4 years

Special thanks to all of the @KringleCon speakers this year. You all made the difference. Thank YOU!!! @strandjs @james_brodsky @iagox86 @christojdav @chriselgee @deviantollam @hacks4pancakes @_sigil @heathermahalik @markbaggett @_sn0ww @hackingdave @iancoldwater @_johnhammond

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@edskoudis

6 years

What a ***USEFUL*** blog post from @jeffmcjunkin about hijacking library calls with LD_PRELOAD. Fun stuff!

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@edskoudis

4 years

Wow! Santa whispered a whole bunch of ideas to me this morning about the SANS #HolidayHack Challenge 2020 Soundtrack! I’m so EXCITED!!!

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@edskoudis

8 years

*New* PowerShell Cheatsheet from SANS 560. Lotsa fun tricks from @chaumurky @timmedin & me.

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@edskoudis

3 years

Those days when you spend the entire day debugging your massive online video game / hacker challenge / bizarre mix of everything… with your favorite people in the world. SANS #HolidayHack

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@edskoudis

4 years

Ten years ago today, we started Counter Hack w/ the goal of building the best cyber ranges & CtFs in the world for the @SANSInstitute . NetWars, Holiday Hack, CyberCity, & more have all grown out of that work. I’m so thankful for this team & the entire SANS family. @CounterHackSec

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@edskoudis

6 years

Silver Blogs! Silver Blogs! It’s Blogging Time in the city… A ***USEFUL*** new post by @joswr1ght : A SQL Guide for Pen Testers, all done Pokémon style! Nice!

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@edskoudis

6 years

I’m super excited to be teaching a high school class this morning about the Enigma machine and the issues associated with the militarization of cyber space!!!

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@edskoudis

4 years

@IanColdwater @fharding0 Wait until you do a pen test!

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@edskoudis

5 years

Just got a text sent to 19 numbers w/ no content other than a location. A cpl other recipients asked who sent it & requested removal. I told them I thought it was a surprise rave party & that I’m almost there. :) Sender said it was an accident & “No, no! Please don’t come here!”

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@edskoudis

3 years

Hey folks! Good news! Santa and the elves just agreed to extend the deadline on the SANS #HolidayHack challenge from Jan 4 2021 to Jan 11 2021. Please enjoy an extra week to complete the challenge. Details are here: @KringleCon

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@edskoudis

3 years

SANS #HolidayHack challenge 2020. New this year: Official Discord chan, Kringle Concierge greeters, streaming music on all services, best challenges (cloud, offense, analytics, defense, wireless, crypto, & more), best music, best story, & more. Next week!

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@edskoudis

6 years

New blog post from Counter Hack’s @christojdav on Tinkering with Publicly Released Exploits. Looks really, really, REALLY useful. "How useful?” you ask. I answer, “REALLY USEFUL.”

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@edskoudis

1 year

Hey folks! We are delighted to announce the OFFICIAL LAUNCH of the 2022 SANS #HolidayHack Challenge. Help Santa & the elves recover the 5 Golden Rings and foil a foul plot in this fun FREE series of cyber challenges for ALL skill levels, plus a bunch more.

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@edskoudis

5 years

Just got out of the retina doctor’s place. He said I have a viscous opacity. He said that kind of thing happens with my condition. He said they come and go. This is the first one I've ever had. He said they have a mind of their own & it might linger. But it is not a problem. :)

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@edskoudis

6 years

Just once, I’d like to see a conference with a “Speaker Unpreparedness Room”. I’d feel much more at home there. :) #DerbyCon

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@edskoudis

6 years

This is an important slide from @tarah ’s #SANSHackFest talk. Really really important. There are so many people in my life (including myself) who really need to GET this.

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@edskoudis

4 years

This year, Santa has gone BLUE with an extra helping of defense and DFIR challenges in SANS #HolidayHack challenge. Go to to participate in all the fun at @kringlecon . It’s our holiday gift for you — ALL FREE!

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@edskoudis

6 years

Now that’s what I’m talking about. @jaysonstreet is strong. And we are awkward. #hugs

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@edskoudis

6 years

Last week in my 560 class, I asked students what they savor. One said, “I savor tcpdump.” Me: “I love tcpdump too! Wireshark always gets all the attention… people are like ‘Wireshark Wireshark Wireshark!’ But tcpdump is wonderful too. Ya know, tcpdump is the ‘Jan' of sniffers."

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@edskoudis

5 years

Hey folks… Here’s some advice for students 18+ interested in cyber careers: compete in #CyberQuests to exercise your skills & earn a spot in the @USCybChallenge camp → Enjoy! :)

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@edskoudis

3 years

Working hard on SANS #HolidayHack 2021 this evening! You’re gonna LOVE it. Just sayin.

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@edskoudis

8 years

Wife finished her checkup at Sloan. 4.5 years after treatment, Doctor says she's doing great! Thanks all for your well wishes & prayers!!!

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@edskoudis

4 years

Me and my sweet date on Daddy-Daughter Date night. Watching old videos from Daddy-Daughter dances and reminiscing with 22-yo Jessica. She is so wonderful. I’m so thankful for her!!!!

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@edskoudis

7 years

I’m super excited as we launch ALL-NEW NetWars Experience in Minneapolis tonight! New challenges New level of story telling New New New :D

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@edskoudis

5 years

Made it to the retinal doctor in Philly. Thanks for all the well wishes and prayers. I’m in the waiting room now. I started seeing a persistent spot a few days ago and doctor wanted me here ASAP to check it out. Hoping for the best!

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@edskoudis

3 years

Tonight’s harvest:

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@edskoudis

4 years

I’m super excited about the story lines for Mini NetWars Mission 1, Mission 2, and then Mission 3… all FREE for the community. Please keep an eye on for details Wait ’til you see Mission 3. Whoa. :)

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@edskoudis

6 years

So this is CRUNCH week for #SANSHolidayHack . We’ve got tons of piece-parts and a bunch of elves working feverishly to stitch it all together as a holiday gift for you all! Please wish the elves well in this final push!!!

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@edskoudis

6 years

Hey folks! We are extending the deadline for #SANSHolidayHack entries from Jan 3 to Jan 10, 2018! That’s an extra week to hack! Have fun. :D

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@edskoudis

3 years

Listening to all this great SANS #HolidayHack 2020 music right now. Gosh I can’t wait to release it. Wanna hear a little bit?

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@edskoudis

2 years

Hey folks! This morning, Santa & the elves released two NEW Log4j bonus challenges in the SANS #HolidayHack : One Blue and one Red. Build your hands-on log4j skills for free with this guided lab at Ho Ho Ho! 🎅

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@edskoudis

4 years

Me and my boy in Red Bank, NJ. Working on #HolidayHack Challenge!!!

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@edskoudis

2 years

Goooood Morning Tweeps! Have a wonderful day today… savor it. Really concentrate and try to appreciate the amazing subtle little things. Life is hard, but there is still so much to be grateful for.

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@edskoudis

6 years

Here comes Santa Blog… Here comes Santa Blog… Right down Santa Blog Lane! Yet another ***USEFUL*** Blog post from @jeffmcjunkin from Counter Hack on using Amazon EC2 Instances. Thanks, Jeff!!!

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@edskoudis

4 years

Santa, the elves, and I may or may not have just gotten a draft of the concluding song from the SANS #HolidayHack challenge! My mind is blown. @CountNinjula rocks! So awesome. 🎅🏻🎅🏻🎅🏻 Coming to a browser near you, 2nd week of December.

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@edskoudis

3 years

Gosh. Is it just me, or does it feel frosty for you too? SANS #HolidayHack . Brrrrrrrr… Coming soon!

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@edskoudis

4 years

So, today is the 10th anniversary of the first NetWars session our team built. I’m so thankful to have had the opportunity to work on this project with so many great authors, instructors, ops folks, and players! THANK YOU! Happy Birthday, @SANSNetWars !!!

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@edskoudis

4 years

Want a bit of a sneak peek at what will be in SANS #HolidayHack Challenge this year and at @KringleCon ? Of course you do! There’s some tidbits here:

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@edskoudis

3 years

So we are watching Queen’s Gambit on #Netflix . The writing and acting are really enjoyable. The chess is also nice to see. The cinematography is great. But the glimpse into 1960s America is the most fascinating part to me.

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@edskoudis

8 years

“Getting the Most Out of Shodan Searches” Fascinating post by @joswr1ght & @jeffmcjunkin

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@edskoudis

6 years

They’re doing it again! Those Counter Hack people are blogging. Here’s a nice post by @dpendolino on using tee to get around restricted shell restrictions because they can be restrictive. A simple idea… but GOSH it’s USEFUL.

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@edskoudis

4 years

Happy Holidays! We’re super excited to do a SANS #HolidayHack Challenge this Thurs/Fri, May 14 and 15. New challenges & a lotta fun. Help Santa and the elves test the security of their new games. Register now! Open to the first 5,000 people who sign up.

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@edskoudis

7 years

Do offensive demos and a lock pick village for employees. Engage them. Show them that locks aren’t walls, but instead are a level of effort. That will help them understand firewalls and other defenses.

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@edskoudis

5 years

Now @hacks4pancakes is presenting on a super interesting topic! What Every Pen Tester Needs to Know about ICS. I am way excited to hear what Lesley has to share!!!

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@edskoudis

6 years

Want a free album of holiday music by @KeithMyers @CountNinjula and @dualcoremusic ??? Of course you do! It’s the AWESOME soundtrack from the 2017 #SANSHolidayHack . Free album here:

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@edskoudis

4 years

Hey folks! I am in NYC at the #HolidayHack @KringleCon party organized by @icanhaspii ! What fun! Thanks, Mary Ellen, for doing the party. You are wonderful. On behalf of the SANS HolidayHack team, enjoy your KringleCoin!!!!

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@edskoudis

3 years

Wow. I have so many thoughts and comments, as well as praises and thankfulness. But ultimately, I’m speechless. Yes. That’s best. Read and appreciate.

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@edskoudis

2 years

Something new, fun, and imminently useful coming to SANS #HolidayHack tomorrow (Tuesday, Dec 21). Stay tuned! You’re gonna love it. 🎅🏻🎅🏻🎅🏻

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@edskoudis

6 years

Jingle Blog, Jingle Blog, Jingle All The Way! Another ***USEFUL*** blog post from Counter Hack’s @christojdav . Topic: Exploiting XXE Vulns in IIS / .NET Making spirits bright, I tell ya!

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@edskoudis

5 years

That time in September 2019 when @HackingDave and @strandjs punked the entire industry saying that there would be no more DerbyCons and that Strand was doing his final teach for SANS. Some people actually BELIEVED it! That was hilarious, guys!

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@edskoudis

5 years

Hey folks! Check out this nifty graphic that @Chi_Chi put together! It’s nifty. All the KringleCon speakers’ avatars.

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@edskoudis

7 years

Hard at work on #SANSHolidayHack challenge this morning. It's a doozy. I can't believe the behind-the-scenes info the North Pole is sharing.

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@edskoudis

6 years

Hey folks! You’ve GOTTA check out LineCon, which we just opened. It’s all part of the FREE SANS #HolidayHack 2018 KringleCon challenge! Come join me and the CHC crew right NOW at LineCon to chat, explore, and have some fun!

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@edskoudis

4 years

All set up for virtual Counter Hack-apalooza in the CHC Secret Room. All-hands meeting to work on group stuff, especially SANS #HolidayHack challenge all day today and tomorrow.🎅

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@edskoudis

6 years

My son’s band, Cellophane Daydream, is about to take the stage at the Stone Pony.

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@edskoudis

4 years

Listening to the first set of SANS #HolidayHack songs right now. It’s a festive wide-ranging vibe this year. I’m liking it!!! Sorry, I can say no more. 🤐

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@edskoudis

6 years

Yikes! He’s following me.

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@edskoudis

7 years

Ok. Is it just me... or are you also suffering from Post- #DerbyCon Blues (PDBs)? I miss that amazing weekend. Looking forward to next year!

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@edskoudis

5 years

Ooooh! Preparing for SANS #HolidayHack at KringleCon, I just for the first time heard music on the speakers inside Santa’s castle. My heart SOARED. Sounds soooo good. @CountNinjula @KeithMyers @iagox86 We launch in a week or two!!!! Reg now for FREE at

Holiday Hack Challenge 2023 – Register Today!

Holiday Hack Challenge is a virtual event for security-minded people and hackers from around the world, hosted by Santa and his team at the North Pole mid-December, 2023. Santa's goal for the Holiday...

2023.holidayhackchallenge.com

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@edskoudis

6 years

Gotta say… I’m super EXCITED about the part of the SANS #HolidayHack Challenge that the elves just showed me. Gonna be so much fun! Have you checked out what we’ve released so far? FREE at . Check it out NOW!

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@edskoudis

4 years

Look, Mom! We’re on the front page of Info Security Magazine!!! @InfosecurityMag Super excited!!!! Coming soon to a browser near you! @KringleCon SANS #HolidayHack

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@edskoudis

5 years

Oh my gosh! Can’t I just do my @DerbyCon talk NOW? You guys are killing me with this late start time. LOL.

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