Sign in

George Coldham

@george.coldham.com.au
815 followers 1.5K following 83 posts

Cloud Solution Architect - Security @ Microsoft Forever kind, curious and interested. Aussie, Dad, Gourmand International Public Speaker My opinions are my own

PostsRepliesMedia
Reposted by George Coldham
nextdayvideo.bsky.social @nextdayvideo.bsky.social · 05/09/2026
#pyconau @george.coldham.com.au Authentication for humans, why passkeys finally make sense. youtu.be/xBl7zaFqHrA
youtu.be
"Authentication for humans, why passkeys finally make sense." - George Coldham (PyCon AU 2026)
Authentication continues to fail not because users ignore security advice, but because our systems rely on humans managing reusable secrets. Despite password managers and multi-factor authentication, phishing and credential theft remain the most common causes of account compromise. This talk examines why password-based authentication fails at a structural level. We will explore the assumptions
011
George Coldham @george.coldham.com.au · 16/03/2025
I was selected to be part of the Microsoft CSU Pace Setters for 2025 and the award was a trip to Redmond to meet all the other winners and build the network. I had a blast! And now I'm so thankful to be on my way home. Seattle ✈️ Singapore ✅ Singapore ✈️ Perth 🛫
A picture of my event badge and sticker with little icon badges.
150
Reposted by George Coldham
Sami Laiho @samilaiho.com · 13/02/2025
If you are having issues with authenticating via certs, like WLAN etc using 802.1x, remember that this is now enforced on your DC, after installing the patches from Tuesday: directaccess.richardhicks.com/2025/01/27/s...
directaccess.richardhicks.com
Strong Certificate Mapping Enforcement February 2025
Are you ready? In just a few short weeks(!) Microsoft will release the February 2025 security updates. This is a critical update because Microsoft plans to enable full enforcement of strong certifi…
066
George Coldham @george.coldham.com.au · 12/02/2025
Introduce yourself with 4 video games
California GamesArk Survival EvolvedRocket LeagueGrand Theft Auto 5
020
Reposted by George Coldham
Funny Of Internet @888.bsky.social · 09/02/2025
1999
Reposted by George Coldham
Michelle @Microsoft @codess-aus.bsky.social · 09/02/2025
Winter is coming.
The Singer Eminem looking serious wearing a black cap with a beard. In the 2nd picture he is holding a mic.
1216
George Coldham @george.coldham.com.au · 09/02/2025
Book 1 Choose 20 books that have stayed with you or influenced you. One book per day for 20 days(or however you like), in no particular order. No explanations, no reviews, just covers. 📚💙 #BookSky #BookChallenge
The cover of the novel the belgariad book 1, pawn of prophesy
2140
George Coldham @george.coldham.com.au · 12/01/2025
Finally got a selfie with a quokka!
A man with a grey beard in a wide brimmed hat posing with a quokka
030
George Coldham @george.coldham.com.au · 19/12/2024
This is fantastic news!
030
Reposted by George Coldham
Merill Fernando 💚 @merill.net · 17/12/2024
Thanks to a user report I've labelled and hidden this fake/misleading account from your feeds. If you are subscribed to the @bluesky.ms label you will no longer see this account. If you haven't already, this is a good time to subscribe to the @bluesky.ms label!
Screenshot of Ozone flagging Satya account as misleading
2419
Reposted by George Coldham
Jon Galloway @jongalloway.bsky.social · 12/12/2024
TIL #MSBuild has a fancy new logo. aka.ms/msbuildicon
Logo for MSBuild. It is a cube composed of a light purple part and a dark purple part, fitting together like puzzle pieces.
8395
Reposted by George Coldham
Rod Trent @rodtrent.com · 11/12/2024
Nice! The Security Copilot auditing powered by Microsoft Purview is now replicated in the Defender unified console. #SecurityCopilot
063
Reposted by George Coldham
Matt Winkler @mwinkle.bsky.social · 12/12/2024
Hat tip to @merill.net for building out this labeler infra and experience!
0124
George Coldham @george.coldham.com.au · 12/12/2024
Conditional access policies are one of the most powerful tools to secure your cloud and hybrid identities. They need to be reviewed and the documentation is regularly updated with contemporary guidance. Check it out! learn.microsoft.com/en-us/entra/...
learn.microsoft.com
What is Conditional Access in Microsoft Entra ID? - Microsoft Entra ID
Conditional Access is the Zero Trust policy engine at the heart of the new identity-driven control plane.
000
George Coldham @george.coldham.com.au · 10/12/2024
This is cool as hell! I'd end up with a flat wasteland with an occasional rock here and there.
000
Reposted by George Coldham
GitHub @github.com · 10/12/2024
As you’re multitasking trying to get your homes decorated and your code written, did you know that GitHub Copilot is joining you? You can edit multiple files at once with GitHub Copilot! Learn how: code.visualstudio.com/docs/copilot...
code.visualstudio.com
Copilot Edits
Get started with Copilot Edits to start an AI-powered code editing session across multiple files in your project.
1655
George Coldham @george.coldham.com.au · 30/11/2024
Thinking of a SecretLab Magnus Pro XL sit/stand desk setup. Can anyone recommend alternatives I should be considering?
010
Reposted by George Coldham
Luise Freese 👑 @luisefreese.bsky.social · 26/11/2024
✨💻✍Did you know that you can contribute to the #Microsoft365 platform community blog? We want your posts about how you extend Microsoft 365 - regardless if you are doing this code-first or low-code! 👉 Here is how to get started:
buff.ly
How to contribute to this blog
Everyone’s voice matters! We want to publish your content on all things you build with code, low-code, no-code on and around Microsoft 365.
084
Reposted by George Coldham
Rod Trent @rodtrent.com · 25/11/2024
THE PROMPT for Security Copilot - Microsoft Ignite 2024 Edition thecfsprompt.substac... #MSIgnite #CopilotforSecurity #SecurityCopilot #Cybersecurity #MicrosoftSecurity #Security #GenerativeAI
042
Reposted by George Coldham
Rod Trent @rodtrent.com · 25/11/2024
How Microsoft’s leading SIEM is getting even better | Microsoft Community Hub techcommunity.micros... #MicrosoftSentinel #Cybersecurity #MicrosoftSecurity #Security #DefenderXDR
techcommunity.microsoft.com
How Microsoft’s leading SIEM is getting even better | Microsoft Community Hub
Microsoft Sentinel, our AI-powered Security Incident Event Management (SIEM) solution, continues to lead the way on security team priorities to streamline...
172
Reposted by George Coldham
Katie Paxton-Fear @insider.phd · 21/11/2024
Are you feeling RESTed? Well I have good news for you! You can level up your REST skills with a completely free course I created on Just Hacking! Check it out: www.justhacking.com/...
03112
George Coldham @george.coldham.com.au · 24/11/2024
Am I the only person who thinks sriracha and kewpie mayo makes any sandwich better? What else would you put on?
A flat bread with salad and chicken with kewpie mayo and sriracha sauce on it
250
Reposted by George Coldham
Sami Laiho @samilaiho.com · 24/11/2024
Microsoft shares latest intelligence on North Korean and Chinese threat actors at CYBERWARCON www.microsoft.com/en-us/securi...
microsoft.com
Microsoft shares latest intelligence on North Korean and Chinese threat actors at CYBERWARCON | Microsoft Security Blog
At CYBERWARCON 2024, Microsoft Threat Intelligence analysts will share research and insights on North Korean and Chinese threat actors representing years of threat actor tracking, infrastructure monit...
042
George Coldham @george.coldham.com.au · 23/11/2024
Doom levels never looked so delicious!
030
George Coldham @george.coldham.com.au · 22/11/2024
Hi I'm George and I live in Perth Western Australia. I love anime and manga, low and slow bbq, craft beer, whisky, travel and exploring, the beach and fishing. I work for Microsoft making our customers more secure. Hit me up for any of the above or more!
A picture of a man with long dark hair and beard wearing a brown felt hat
3170
George Coldham @george.coldham.com.au · 22/11/2024
@shannadaly.bsky.social I found a Shanna!
110
Reposted by George Coldham
✿Lily cutie ✿ @lilycutie.bsky.social · 22/11/2024
Choose one alive or human
499339374163
George Coldham @george.coldham.com.au · 22/11/2024
Looking for anyone from #Perth Western #Australia to follow. Any one around?
010
George Coldham @george.coldham.com.au · 21/11/2024
@bendechr.ai dang I spent way too long trying to work out a domain so I could do something like your handle! Still a WIP!
110