Brian Greenberg
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Brian Greenberg
@briangreenberg.net
600 followers 470 following 1.2K posts
CIO/CTO, Forbes contributor, CyberSecurity Professor @ DePaul, systems thinker, hiker, entrepreneur, philosopher, actor, improviser, storyteller, & coffeehouse addict.

📍Chicago, IL

🦋🥾☕️🎭🤖🪴✍️

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Brian Greenberg @briangreenberg.net · Aug 25
Proud to share my new @forbes.com article: Deepfakes And Social Engineering: A Growing Threat To Everyone.
These aren’t future risks—they’re here now. MFA and layered verification are our best defense.
www.forbes.com/councils/for...
#cybersecurity #deepfakes #Forbes #leadership
Deepfakes And Social Engineering: A Growing Threat To Everyone
Deepfakes and social engineering are real, they're happening today, and they are an immediate threat to organizations and families.
www.forbes.com
briangreenberg.net
Windows goes agentic and the internet hates it
👎🏼
⚠️ backlash across replies
💬 users reject AI autonomy

mashable.com/article/micr...

#Microsoft #Windows #AI
Windows to become 'agentic OS,' and the internet is having none of it
The internet was upset with Microsoft's plans to shove more AI into Windows.
mashable.com
November 12, 2025 at 11:51 PM
briangreenberg.net
GPT-5.1 brings eight new “personalities” to ChatGPT — friendly, cynical, nerdy, you name it. The tightrope? More fun tone, but still safe and aligned.

🤖 8 personality presets
🔄 new models: Instant & Thinking
🎯 balancing warmth + control

www.theverge.com/news/802653/...

#AI #ChatGPT #GPT5.1
OpenAI says the brand-new GPT-5.1 is ‘warmer’ and has more ‘personality’ options
You can now toggle between Default, Professional, Friendly, Candid, Quirky, Efficient, Nerdy, and Cynical.
www.theverge.com
November 12, 2025 at 11:39 PM
briangreenberg.net
 Apple rolls out a digital ID in Wallet for US travelers

🔐 passport based setup
✈️ TSA beta launch

www.apple.com/newsroom/202...
#Apple #Security
Apple introduces Digital ID, a new way to create and present an ID in Apple Wallet
Digital ID is a new way for users to create an ID in Apple Wallet using their U.S. passport, and present it with the privacy of iPhone or Apple Watch.
www.apple.com
November 12, 2025 at 11:33 PM
briangreenberg.net
What do people really ask ChatGPT? A study of 47K chats gives us a peek: AI has become therapist, tutor, and trivia buddy all in one.

TL;DR
💬 personal advice
📚 learning help
🤔 deep questions

www.washingtonpost.com/technology/2...
#AI #ChatGPT #HumanBehavior
We analyzed 47,000 ChatGPT conversations. Here’s what people really use it for.
What do people ask the popular chatbot? We analyzed thousands of chats to identify common topics discussed by users and patterns in ChatGPT’s responses.
www.washingtonpost.com
November 12, 2025 at 5:15 PM
briangreenberg.net
I’m in a Waymo! This is so cool.
November 11, 2025 at 11:18 PM
briangreenberg.net
As I've said for years, AI personhood isn’t sci-fi anymore.
🧠 20% of US adults think some AI is sentient
⚖️ 38% support rights for digital minds
⚠️ Law, ethics, & sociology lag tech
If we wait to prepare, we may end up gone.
www.theguardian.com/commentisfre...
#AI #Ethics #TheMatrix #TNG ɸ
It’s time to prepare for AI personhood | Jacy Reese Anthis
Technological advances will bring social upheaval. How will we treat digital minds, and how will they treat us?
www.theguardian.com
November 6, 2025 at 8:28 PM
briangreenberg.net
🎓Start learning cybersecurity with only a laptop and internet.
🔐 Free: Kali, Nmap, Metasploit, ZAP
🛠 Free: Wireshark, Burp, Volatility
🎯 Explore: TryHackMe, HTB, Shodan
No bootcamps. No cert theater. Break things, fix them, repeat.
#Cybersecurity → briangreenberg.net/resources/
November 6, 2025 at 7:42 PM
briangreenberg.net
 Apple’s “Car Key” started as a 2020 BMW experiment. 🚗

TL;DR
🚗 Works via iPhone + Wallet
🔑 Unlock, start, share
📱 Now on Audi, BMW, Genesis & more

Your phone’s replacing your fob too.
appleinsider.com/articles/25/...

#AppleCarKey #CarPlay #iPhone
What car models and manufacturers support Apple Car Key
Apple's Car Key turns your iPhone into a digital car key, letting you unlock, start, and share your ride — no key fob required. Here's how it works, and which manufacturers support the technology.
appleinsider.com
November 6, 2025 at 7:21 PM
briangreenberg.net
NPM hit again: 126 malicious packages, 86K+ downloads. Attackers abused “Remote Dynamic Dependencies” to pull code from untrusted sites.
⚠️ 126 bad packages
🕳️ Hidden RDD blind spot
🎣 Credential theft campaign
arstechnica.com/security/202...
#SupplyChainSecurity #NPM #CyberRisk
NPM flooded with malicious packages downloaded more than 86,000 times
Packages downloaded from NPM can fetch dependencies from untrusted sites.
arstechnica.com
November 6, 2025 at 7:13 PM
briangreenberg.net
🤖 AI isn’t just tech, it’s cultural surgery.

TL;DR
🧠 Tech ≠ transformation
🏢 New C-suite role: CITO 🤦🏻‍♂️
🤝 Human + AI leadership

CIOs can’t fix what’s really broken: how people change.
sloanreview.mit.edu/article/why-...

#AILeadership #DigitalTransformation #CIO
Why AI Demands a New Breed of Leaders
Today’s organizations need tech leaders who can also take on the cultural and change management challenges of AI.
sloanreview.mit.edu
November 6, 2025 at 7:09 PM
briangreenberg.net
🐍 The Python Software Foundation just turned down a $1.5M US grant because it banned DEI.

💰 $1.5M rejected
🧑‍💻 DEI ban in grant terms
🧠 Security work halted
Integrity > funding.
arstechnica.com/tech-policy/...
#OpenSource #DEI #CyberSecurity #security #privacy #cloud #infosec
Python plan to boost software security foiled by Trump admin’s anti-DEI rules
National Science Foundation said grantees must not operate any DEI programs.
arstechnica.com
November 6, 2025 at 7:02 PM
briangreenberg.net
Defra spent £312M upgrading to Windows 10… right as Microsoft pulled support.
💸 £312M spent
🖥️ 31.5K Win7 laptops replaced
⏰ Win10 now out of support
Sometimes “modernization” just means buying time.
www.theregister.com/2025/11/05/u...
#ITModernization #PublicSector #cybersecurity
UK dept spent £312M moving to Win 10 as support D-day hits
: After a £312M upgrade to the retiring OS, Defra still has 24,000 devices to replace
www.theregister.com
November 6, 2025 at 6:58 PM
briangreenberg.net
Windows update strikes again, and this time, BitLocker is the villain.
⚠️ Update triggers BitLocker recovery
🔐 Lose your key = lose your data
🧠 Key’s stored in your MS account

www.forbes.com/sites/zakdof...

#Windows11 #CyberSecurity #Microsoft #security #privacy #cloud #infosec
‘You Could Be In Trouble’—Microsoft Confirms New Windows Update Mistake
Beware — you may see an alarming message on your PC with your data at risk. Here's what you do.
www.forbes.com
November 6, 2025 at 5:56 PM
briangreenberg.net
☀️ 🌙

www.nationalgeographic.com/history/arti...
America once made daylight saving time permanent. Here’s what went wrong.
In 1974, the U.S. tried staying on daylight saving time all year. The result was darker mornings and public panic.
www.nationalgeographic.com
November 2, 2025 at 2:02 PM
briangreenberg.net
October 29, 2025 at 8:03 PM
briangreenberg.net
Microsoft is down! 🤯 🤦🏻‍♂️ Last week, AWS, this week Microsoft. #WelcomeToTheCloud #CloudLife

www.techradar.com/pro/live/mic...
Microsoft down? Major outage hits Azure, 365 and more - even Minecraft and Xbox affected
A major Microsoft outage appears to hitting users across the world
www.techradar.com
October 29, 2025 at 5:22 PM
briangreenberg.net
From chef to CISO: Myke Lyons built a leadership recipe around empathy and curiosity.

TL;DR
🧠 Hire for hunger, not pedigree
🤝 Lead w/ empathy, not blame
⚙️ AI will reshape cyber — stay curious

www.darkreading.com/cybersecurit...
#leadership #cybersecurity #CISO
Chef to CISO: Empathetic Approaches to Cyber Leadership
Myke Lyons, CISO at data-processing SaaS company Cribl, shares how he cooked up an unconventional journey from culinary school to cybersecurity leadership.
www.darkreading.com
October 29, 2025 at 1:47 AM
briangreenberg.net
Phishers are hiding in plain sight — literally.

TL;DR
🧠 Used soft hyphens (U+00AD)
📧 Broke up subject text w/ invisible chars
⚠️ Bypassed filters + fooled Outlook

isc.sans.edu/diary/32428
#phishing #emailsecurity #infosec #cybersecurity
A phishing with invisible characters in the subject line
A phishing with invisible characters in the subject line, Author: Jan Kopriva
isc.sans.edu
October 29, 2025 at 1:35 AM
briangreenberg.net
Ransomware group Everest claims AT&T, Dublin Airport and Air Arabia data are for sale.

TL;DR
⚠️ 429k AT&T records
🛫 1.53M Dublin pax ($1M)
👥 18k Air Arabia staff

hackread.com/everest-att-...
#ransomware #databreach #infosec #security #privacy #cloud #cybersecurity
Everest Leaks AT&T Records, Demands $1M for Dublin Airport Passenger Data
Follow us on Bluesky, Twitter (X), Mastodon and Facebook at @Hackread
hackread.com
October 29, 2025 at 1:27 AM
briangreenberg.net
GPS jamming and spoofing aren't just for war zones anymore. Electronic warfare is a real, growing threat to commercial ops.
TL;DR
• ✈️ Aviation at risk
• 🚢 Shipping impacted
www.darkreading.com/cybersecurit...
#GPS #ElectronicWarfare #CyberRisk #cybersecurity
Electronic Warfare Puts Commercial GPS Users on Notice
Interference with global navigation is a growing menace for airlines, shipping, trucking, cars, agriculture, and even financial firms.
www.darkreading.com
October 22, 2025 at 1:40 AM
briangreenberg.net
CSO's new study shows the CISO agenda is getting augmented, and fast.
TL;DR
• 🧠 AI: Both tool & threat
• 💰 Budgets: Mostly flat
• 📊 Boardroom: More visibility
www.csoonline.com/article/4074...
#Cybersecurity #CISO #AI #Risk #security #privacy #cloud
CISOs’ security priorities reveal an augmented cyber agenda
Tasked with increasing responsibilities and oversight, CISOs are seeking ways to expand cyber capabilities with AI, while piloting new tools, enlisting more partners, and finding ways to stretch their...
www.csoonline.com
October 22, 2025 at 1:29 AM
briangreenberg.net
Google is pitching an "agentic" AI for threat intelligence.
TL;DR
🗣️ Turns research into conversation
⚡️ Aims for hours-to-minutes analysis
🔗 Connects actors, malware & vulns
www.helpnetsecurity.com/2025/10/21/g...
#AI #ThreatIntel #SOC #security #privacy #cloud #infosec #cybersecurity
Google introduces agentic threat intelligence for faster, conversational threat analysis - Help Net Security
Google launches agentic threat intelligence to help security teams analyze threats faster through conversational, AI-driven research tools.
www.helpnetsecurity.com
October 22, 2025 at 1:11 AM
briangreenberg.net
This Microsoft Windows patch #Fail is a self-inflicted DDoS attack. What’s with their Q/A?
TL;DR
⚠️ Breaks smart card auth
💻 Kills IIS/localhost
🖱️ Bricks mouse in WinRE
www.computerworld.com/article/4075...
#WindowsUpdate #PatchTuesday #security #privacy #cloud #infosec #cybersecurity
Security patch or self-inflicted DDoS? Microsoft update knocks out key enterprise functions
The transition from CSP to KSP has triggered failures in smart card authentication, IIS connectivity, and recovery mode devices.
www.computerworld.com
October 21, 2025 at 9:03 PM
briangreenberg.net
October 20, 2025 at 8:52 PM
briangreenberg.net
AWS outage took half the web down overnight — games, media, even messaging. A single database hiccup, global ripple.

TL;DR
⚠️ AWS core DB failed
🌐 Millions offline
💡 Fragility exposed

www.nbcnews.com/news/us-news...
#AWS #CloudComputing #CyberResilience
Web services begin to recover after major outage takes leading websites offline
Amazon Web Services, a major provider of cloud hosting that underpins much of the web and every day online tools, went offline due to a problem with one its core database products.
www.nbcnews.com
October 20, 2025 at 12:05 PM