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John Hammond Profile
John Hammond

@_JohnHammond

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Hacker. Friend. Cybersecurity Researcher @HuntressLabs ||

San Francisco, CA
Joined March 2015
Don't wanna be here? Send us removal request.
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@_JohnHammond
John Hammond
13 hours
bae
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@_JohnHammond
John Hammond
1 year
OUR AIRPLANE CAN'T FIND THE MYSQL DATABASE 😱😱 @kaitlyn_devalk
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@_JohnHammond
John Hammond
6 months
Fuck.
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@_JohnHammond
John Hammond
1 year
Don't worry everyone, the Internet is still a safe place.
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@_JohnHammond
John Hammond
2 months
Luke shared the URL from the original phishing email with me, so I'd like to showcase it a bit. Planning to record a video to walk through it, but don't have a chance to record for the next few hours... so will roll with a Twitter/X thread for now 🧵
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@linusgsebastian
Linus LinusMediaGroup
2 months
**BEWARE** The main LTT Twitter account has been hijacked. 4 minutes after I received this email I tried to log in, but the password had already been changed. By the time I could update the password, the 2FA had been deactivated/reactivated. I have contacted Twitter support.
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@_JohnHammond
John Hammond
2 years
Today I got a notification on my phone that YouTube had sent me a copyright report, claiming one of my videos violated copyright and my channel was going to receive a strike. Except, my video didn't violate copyright. And YouTube didn't really send me a copyright report.
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@_JohnHammond
John Hammond
1 year
Don't worry everyone, the Internet is still a safe place.
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@_JohnHammond
John Hammond
2 months
CrowdStrike Falcon agents are imploding right now and causing a Blue Screen of Death boot loop on every endpoint. Reports of massive outages globally.
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@_JohnHammond
John Hammond
4 years
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@_JohnHammond
John Hammond
3 years
aaaaand then code execution?? #log4j #minecraft
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@_JohnHammond
John Hammond
2 months
This is CrowdStrike's Director of Overwatch, so I hope to help spread the word. I believe CS stopped these changes from being pushed out so machines late to the party wont get the faulty driver. Command in Safe Mode: del "C:\Windows\System32\drivers\CrowdStrike\C-00000291*.sys"
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@_JohnHammond
John Hammond
2 months
Jumped onto CNN to chitchat about the CrowdStrike shenanigans -- cheesy picture but quite a treat, thank you for letting me join you 🙏 Hug ops to all the folks still fighting fires for this thing. 🫂
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@_JohnHammond
John Hammond
3 years
🤯🤯🤯 @offsectraining 🥇🩸?
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@_JohnHammond
John Hammond
3 years
I've prepared a @RealTryHackMe room to demonstrate #log4j #log4shell CVE-2021-44228, explaining the vulnerability, attack vector, and more importantly, detection, mitigations and patching. Working with THM staff to get this in your hands -- it should be available soon.
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@_JohnHammond
John Hammond
4 months
the moment i realized i made a grave mistake
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@_JohnHammond
John Hammond
10 months
𝗧𝗵𝗮𝗻𝗸 𝘆𝗼𝘂. 🙂
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@_JohnHammond
John Hammond
3 months
I'm on a 6-hour flight with Starlink, and I am using my GPD Pocket tiny laptop, to Parsec home to my desktop and access all my virtual machines and home lab server. Honestly I just think it is funny. 😂
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@_JohnHammond
John Hammond
3 years
If you say "documentation" three times in front of a mirror, it still won't appear.
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@_JohnHammond
John Hammond
3 years
👁️👄👁️well alrighty then
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@_JohnHammond
John Hammond
8 months
⚠️Stay safe everybody! If you use a Crest or Colgate toothbrush, please update to KB-133769420 and install the latest kernel bugfixes for any external devices like your floss and mouthwash.
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@_JohnHammond
John Hammond
2 years
u sure?
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@_JohnHammond
John Hammond
3 years
Meta... sploit?
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@_JohnHammond
John Hammond
1 year
The MOVEit Transfer exploitation is not just SQL injection(👀) We uncovered the very last stage of the attack chain to drop human2.aspx ultimately ends up gaining remote code execution ‼ We fully recreated the attack chain with a demo achieving a reverse shell & ransomware!
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@_JohnHammond
John Hammond
1 year
cybersecurity
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@_JohnHammond
John Hammond
3 years
Does this outage count for cybersecurity awareness month festivities?
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@_JohnHammond
John Hammond
1 year
exposing this scammer at #PCC23
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@_JohnHammond
John Hammond
2 years
Merry Christmas. 🎄 Here's to many more.
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@_JohnHammond
John Hammond
2 months
A thread of new domains following the CrowdStrike catastrophe: 🧵
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@_JohnHammond
John Hammond
2 months
the CROWD has STRUCK
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@_JohnHammond
John Hammond
11 months
Session hijacking a Microsoft 365 account! Stealing their credentials and bypassing MFA prompt with Evilginx: a reverse-proxy phishing framework! We stage a phishing domain and email pretense, and gain full access to the victim account!
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@_JohnHammond
John Hammond
1 year
The desktop is malware
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@_JohnHammond
John Hammond
7 months
Wait, what?
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@_JohnHammond
John Hammond
2 years
Don't forget, 0-days wouldn't happen if you had just bought that one vendor's EDR, MDR, XDR, NDR, RDR, NXDR, ODR, PDR, LDR, QDR, VDR, JDR, KDR, IDR, 1DR, 4DR, DDR, ZDR, YDR, ⧫DR, 🟋DR, 🙻DRR, DRDRDR, AIDR solutions they emailed you about after you got stickers from their booth.
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@_JohnHammond
John Hammond
2 years
Thank you robot overlords
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@_JohnHammond
John Hammond
2 years
400k nerds watch this nerd thank u 4 ur support
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@_JohnHammond
John Hammond
1 month
Threat actor USDoD and his farewell to fellow cybercriminals after his identity has been published on Doxbin.
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@_JohnHammond
John Hammond
2 years
Bro you literally just have to click on the red line????
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@_JohnHammond
John Hammond
1 year
almost done setting up my computer🥹
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@_JohnHammond
John Hammond
8 months
CVE-2024-21413 sure does do the needful
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@_JohnHammond
John Hammond
3 years
THANK YOU so much for _literally sending_ a birthday cake @Hacker0x01 !!!🎂 ♥️ 🥰🎉 A good light snack while we hold down the fort for the #hacktivitycon2021 CTF 😎 THANK YOU!!! 😍
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@_JohnHammond
John Hammond
4 years
Does anyone else make a directory, change into that exact directory, and then list files in the newly created directory... knowing the directory is empty, because you literally JUST created it?
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@_JohnHammond
John Hammond
3 years
🚨 BLACK FRIDAY SPECIAL 🚨 Today and today only, you can find all of my free education and content, online FOR FREE! After today's sale, everything will return to normal asking price: $0.00! 😱
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@_JohnHammond
John Hammond
4 years
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@_JohnHammond
John Hammond
3 years
"Download failed: Virus detected" ... I know. That's why I want it. 😠
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@_JohnHammond
John Hammond
2 months
With that said, I am very grateful for the actor actively trying to send me the exact same phish. 😂 With a special note for me 🤣
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@_JohnHammond
John Hammond
2 years
"Would you like to earn millions of dollars $$$ ?"
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@_JohnHammond
John Hammond
2 years
This might be the creepiest thing I have ever been pinged for, but uh, yes, that is me? 🙃
@CyberShen
Cyber Shen
2 years
@_JohnHammond is that you!?
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@_JohnHammond
John Hammond
1 year
curl/libcurl HIGH CVE-2023-38545 seemed to have a patch diff out early?
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@_JohnHammond
John Hammond
1 year
For @ScammerPayback 's People's Call Center event, it was @0dayCTF and I's personal project to write code to fool scammers into removing their webcam cover and showing their face. It was such an adrenaline rush to see it work.
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@_JohnHammond
John Hammond
2 years
happy pres day
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@_JohnHammond
John Hammond
9 months
merry christmas
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@_JohnHammond
John Hammond
2 years
once again I have completed a trip around the sun
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@_JohnHammond
John Hammond
2 years
Halfway.
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@_JohnHammond
John Hammond
2 years
im verified now
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@_JohnHammond
John Hammond
2 years
Want to know what a YouTube channel with half a million subscribers looks like behind the scenes? As we're cruising into 2023 and the new year, I'd like to peel back the curtain. I want to be as transparent as possible here, in the hopes that this might help other creators. 🧵
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@_JohnHammond
John Hammond
1 year
imma bout to phish erry security researcher in da world
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@_JohnHammond
John Hammond
1 month
oh, wait, f&$% lmfao
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@_JohnHammond
John Hammond
11 months
I live to serve
@vxunderground
vx-underground
11 months
. @_JohnHammond we'll mail you a complete copy of vx-underground if you promise to load all the malware samples onto a computer and bring it GeekSquad for repair
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@_JohnHammond
John Hammond
2 years
It has been a real treat seeing this post blow up and I am super flattered 😊 Seriously, thank you. After NahamCon CTF ends at the end of this month, I hope to finally showcase some Active Directory content and then start a "journey to OSEE" style thing. Hopefully.🤞
@Zer0F8th
🇺🇦 Zer0F8th
2 years
@ippsec & @_JohnHammond provide some of the best cybersecurity content
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@_JohnHammond
John Hammond
5 months
People tend to say "work smarter, not harder", and I absolutely agree with that. But I do think there is some magic that happens when you do both... work smarter AND harder. Thank you for your support.
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@_JohnHammond
John Hammond
1 year
diSaBLE SIgNAL LINK pReVIEWS aS FAST as HuMANLY POSSIBLE TO MITIGATE thiS ExtREME CRITICAL ZERO DAY VULNERABILITY ThAT NO ONE knOWS LITERALLY ANYTHING ABOUT UNPLUG INTERNET & THROW YOUR PHONE IN THE OCEAN BEFORE IT HACKS UR WHOLE LIFE NO CVE THO, NO DETAILS, DONT WORRY ABOUT IT
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@_JohnHammond
John Hammond
2 months
CrowdStrike Preliminary Post Incident Review (PIR) is released:
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@_JohnHammond
John Hammond
8 months
Fun fact: Windows stores Wi-Fi passwords in plaintext! You can extract passwords with netsh.exe, but that's a child process that might be observed -- we can improve our tradecraft to extract Wi-Fi passwords with native Win32 API functions... in Rust 😎😈
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@_JohnHammond
John Hammond
1 year
What if you ran an nmap scan and ALL 65535 ports were open? You can waste a hacker's time by spoofing your attack surface and simulating real services so the adversary has no idea what to target. Cyber deception!
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@_JohnHammond
John Hammond
2 months
Alright who has a copy of the CrowdStrike driver, is that on VirusTotal yet?
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@_JohnHammond
John Hammond
17 days
Well, this was a stupid insomnia project, but... 😂 Playground code is here:
@aruhamm
Mohamed Aruham #boleh
18 days
Interesting vector, ever seen this before @_JohnHammond ?
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@_JohnHammond
John Hammond
3 years
This was a pleasant surprise to have in the mail after getting back home from DEFCON -- thanks again @offsectraining !!
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@_JohnHammond
John Hammond
9 months
I LIVE IN THE FUTURE
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@_JohnHammond
John Hammond
9 months
2024 will be the year of linux on the desktop
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@_JohnHammond
John Hammond
2 years
hey @BHinfoSecurity your booth looked lonely so i stole it sry @strandjs @debthedeb @BanjoCrashland
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@_JohnHammond
John Hammond
2 years
you shut your mouth
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@_JohnHammond
John Hammond
2 years
Active Directory content will slowly trickle out on my YouTube channel over the next many days. We will build a local VM environment, stage out our domain at will with PowerShell, and bounce back and forth between "building" and "breaking" AD concepts
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@_JohnHammond
John Hammond
4 years
You can use some bash expansion tricks to do a crazy fast port scan. Super helpful if you are an internal network (because nmap through proxychains is horrific). No nmap? No problem.
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@_JohnHammond
John Hammond
3 years
celebrate national cybersecurity awareness month with a four week vacation in the woods
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@_JohnHammond
John Hammond
2 years
I record a lot of videos that I think are complete garbage, with mistakes and rabbit holes and wasted time, and I don't think it will be useful for anyone or no one would watch. But I try to remind myself... doing it in the first place is better than not doing it at all.
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@_JohnHammond
John Hammond
11 months
@vxunderground Bet, I can record everything and upload it
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@_JohnHammond
John Hammond
2 years
Hey boss really sorry I'm not working this week but damn you should see this sunset
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@_JohnHammond
John Hammond
2 months
the end of an era 😭
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@_JohnHammond
John Hammond
3 years
"Isn't it great when the security tool is vulnerable to the security problem"
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@_JohnHammond
John Hammond
7 months
Lotta chatter around #ScreenConnect vulnerabilities now as folks are getting spun up. Fellow @HuntressLabs researchers and I were up all night to recreate the auth bypass and RCE exploit. I'm not a huge fan of giving a PoC to threat actors, but I do dig snazzy video demos 😜
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@_JohnHammond
John Hammond
2 years
AHAHAHAHAHAHA
@whitecyberduck
Ayub | whitecyberduck
2 years
Offensive Security has banned ChatGPT from the OSCP exam
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@_JohnHammond
John Hammond
3 years
My video showcasing the #log4j #vulnerability CVE-2021-44228 in Minecraft is up. This demonstrates the #Minecraft exploit but only uses that as a springboard to discuss more of the widespread risk and threats across the security landscape. #cve
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@_JohnHammond
John Hammond
1 year
damn they really got me good there
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@_JohnHammond
John Hammond
3 years
oSiNt cHaLlEnGe wHeRe aM I?????????//////
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@_JohnHammond
John Hammond
2 years
MS-MSDT "Follina" Office click-to-hack.
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@_JohnHammond
John Hammond
7 months
I got the most obnoxious and hideous ski jacket as possible. I'm here to meme and troll. I unironically love it.
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@_JohnHammond
John Hammond
2 years
pinned
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@_JohnHammond
John Hammond
2 years
Hey Twitter, forgive me for my crowdsourcing -- what do you think is wrong in the infosec industry? From any perspective.
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@_JohnHammond
John Hammond
10 months
oh fuck
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@_JohnHammond
John Hammond
4 years
If you see a /cgi-bin directory on a webserver, don't forget to gobuster inside that directory looking for extensions like .sh, .cgi, (and even .py, .pl, or more).... you might be able to find a Shellshock vulnerability. That bug is... still around...
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@_JohnHammond
John Hammond
2 years
Doomed to set up virtual machines my whole life.
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@_JohnHammond
John Hammond
2 months
I won't show the full URL, but here's the big link redacted and defanged. Cutesy that it is from a SendGrid tracking link. Obviously a juicy treat for attacker to be able to mass spam emails with a trusted/common delivery service like SendGrid, and a perk of click tracking.
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@_JohnHammond
John Hammond
3 years
i FiNaLlY DiD iT aFtEr a LoNg HaRd TiMe i HaVe SuCcEsSfULlY CoMpLeTeD a OnE-DaY StReAk On THM!1111
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@_JohnHammond
John Hammond
2 months
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@_JohnHammond
John Hammond
5 months
Sir, this is an entire career path 😅
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@_JohnHammond
John Hammond
4 years
Hi yes hello Twitter I am going to tell you my deep dark secret please don't tell anyone I have no idea what I'm doing
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@_JohnHammond
John Hammond
2 years
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@_JohnHammond
John Hammond
1 month
THAT'S OUR BOY RYAN!!!! 🤩
@PBDsPodcast
PBD Podcast
1 month
"Hack ANY Cell Phone" - Hacker Shows How Easy It Is To Hack Your Cell Phone. @patrickbetdavid @0dayCTF
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@_JohnHammond
John Hammond
4 years
OSEP labs finally complete. Exam in 5 hours. LFG
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@_JohnHammond
John Hammond
10 months
I think am too late for the CounterStrike XSS party :(
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@_JohnHammond
John Hammond
1 year
Hey folks, big project for me at `var dayjob` — @HuntressLabs is hosting a free online CTF, releasing new challenges EVERY SINGLE DAY of October for Cybersecurity Awareness Month😱Malware analysis, DFIR, hacker tradecraft... game starts next Monday 10/2!
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@_JohnHammond
John Hammond
1 year
Thank you so much. Just four more! 😁
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