Brian Greenberg
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briangreenberg.net
Brian Greenberg
@briangreenberg.net
610 followers 470 following 1.3K posts
CIO/CTO, Forbes contributor, CyberSecurity Professor @ DePaul, systems thinker, hiker, entrepreneur, philosopher, actor, improviser, storyteller, & coffeehouse addict.

📍Chicago, IL

🦋🥾☕️🎭🤖🪴✍️

https://linktr.ee/brian.greenberg
https://briangreenberg.net
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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
FCC kills telco cyber rules after Chinese hacks. 🤬

TL;DR
🧠 Cyber rules scrapped
⚡ Voluntary security now

#FCC #cybersecurity #telecom #security #privacy #cloud #infosec #infrastructure #LackOfLeadership

techcrunch.com/2025/11/21/d...
Despite Chinese hacks, Trump's FCC votes to scrap cybersecurity rules for phone and internet companies | TechCrunch
Two Trump-appointed FCC officials voted to undo the telecom industry's cybersecurity rules. One Democratic commissioner dissented, saying the decision leaves the United States "less safe" at a time wh...
techcrunch.com
December 1, 2025 at 7:20 PM
briangreenberg.net
Google's Antigravity IDE launched one day, got hacked the next. 🤦🏻‍♂️

TL;DR
🧠 Backdoor via config
⚡ AI agents need real sandboxes

#Google #AIsecurity #security #privacy #cloud #infosec #cybersecurity

www.forbes.com/sites/thomas...
Google AI Coding Tool Antigravity Was Hacked A Day After Launch
A security researcher discovered a major flaw in the coding product, the latest example of companies rushing out AI tools vulnerable to hacking.
www.forbes.com
December 1, 2025 at 7:06 PM
briangreenberg.net
UK tried to lock down the internet for kids; VPNs handed them the spare key. Duh.

TL;DR
🧠 OSA age checks drive VPNs
⚡ Talk of age-gating VPNs 🤦🏻‍♂️
🎓 Ban panic will spread

www.theverge.com/tech/827435/...

#VPN #OnlineSafety #UKtech #security #privacy #cloud #infosec #cybersecurity
The VPN panic is only getting started
Could age restrictions come to VPNs next?
www.theverge.com
December 1, 2025 at 6:49 PM
briangreenberg.net
The FCC just told big carriers that security is optional again. 🤦🏻‍♂️ 🤬

TL;DR
🧠 Salt Typhoon exposed telcos
⚡ FCC rescinds CALEA push
🎓 Customers keep the risk

www.bgr.com/2036730/att-...

#ATT #Verizon #cybersecurity #security #privacy #cloud #infosec
AT&T, Verizon, And T-Mobile Customers Should Be Worried About The FCC's Ruling - BGR
The Federal Communications Commission recently voted to rescind certain cybersecurity rules, potentially putting mobile customers at greater risk.
www.bgr.com
December 1, 2025 at 6:36 PM
briangreenberg.net
The EU just made social platforms pay for the scams they host.... finally.
🧠 Platforms can be liable and now have more skin in the game.
⚡ Banks reimburse victims
🎓 Shared risk, shared cost
#EU #fintech #regulation #privacy #cloud #cybersecurity
mashable.com/article/soci...
Social media companies to be held liable for financial scams under new EU rules
Platforms will now be required to compensate banks when a user is defrauded.
mashable.com
December 1, 2025 at 5:51 PM
briangreenberg.net
 AirTags just got promoted to Delta's unofficial baggage agent.

TL;DR
🧠 Share location with airlines
⚡ New API feeds Delta systems
🎓 Less hunting for lost bags

9to5mac.com/2025/11/25/a...

#AirTag #security #privacy #cloud #infosec #cybersecurity #travel
AirTag’s newest feature could work even better now for many travelers - 9to5Mac
AirTag got a great new feature in the past year to make finding lost luggage easier. Per a new report, Apple has now improved how that works.
9to5mac.com
December 1, 2025 at 5:39 PM
briangreenberg.net
CME's outage shows how fragile always-on markets really are.
🧠 Cooling failure at data center
⚡ Futures and options halted
🎓 Operational resilience is part of market risk, not a separate problem

#infrastructure #security #cloud #infosec #cybersecurity
www.wsj.com/finance/cme-...
A Chicago Data Center Overheated—and Shut Down Trade in Key Markets Across the Globe
The outage, which lasted for 10 hours, hit CME’s equity, bond and commodity futures. It also offered a warning.
www.wsj.com
December 1, 2025 at 5:15 PM
briangreenberg.net
Ivy League prestige doesn't necessarily come with premium cybersecurity defences against data breaches.
🧠 35k+ Dartmouth victims
⚡ Oracle EBS zero day
🎓 Ivies learn patching late

therecord.media/dartmouth-da...

#cybersecurity #databreach #highered #security #privacy #cloud #infosec
At least 35,000 impacted by Dartmouth College breach through Oracle EBS campaign
More than 35,000 people across multiple states had information stolen by hackers who attacked Dartmouth College during a campaign against a popular line of software from Oracle.
therecord.media
December 1, 2025 at 4:53 PM
briangreenberg.net
Happy Thanksgiving my friends. 🦃🍁
November 27, 2025 at 8:37 PM
briangreenberg.net
Microsoft built an AI agent into Windows, then warned it can infect devices, steal data, & run amok.
🧠 Agent can run risky actions
⚡ Prompt injection = new macro
🎓 Ship slower, secure faster
arstechnica.com/security/202...
@Microsoft #AI #CyberSecurity #security #privacy #infosec
Critics scoff after Microsoft warns AI feature can infect machines and pilfer data
Integration of Copilot Actions into Windows is off by default, but for how long?
arstechnica.com
November 26, 2025 at 6:36 PM
briangreenberg.net
There's something hilarious about a leading cryptography orgs canceling an election because they lost the decryption key. Oops. 😬
🧠 Lost key, lost results
⚡ Crypto is fine, ops is not
🎓 Design for lost keys
arstechnica.com/security/202...
#CyberSecurity #Cryptography #KeyManagement
Oops. Cryptographers cancel election results after losing decryption key.
Voting system required three keys. One of them has been “irretrievably lost.”…
arstechnica.com
November 26, 2025 at 6:19 PM
briangreenberg.net
AI is turning your dusty old routers and other unpatched equipment into low-hanging fruit for attackers.

🧠 Legacy gear, modern threats
⚡ AI speeds vuln discovery
🎓 Upgrade beats hoping

www.wired.com/story/cisco-...

#Cisco #CyberSecurity #AI #security #privacy #cloud #infosec
With the Rise of AI, Cisco Sounds an Urgent Alarm About the Risks of Aging Tech
Generative AI is making it even easier for attackers to exploit old and often forgotten network equipment. Replacing it takes investment, but Cisco is making the case that it’s worth it.
www.wired.com
November 26, 2025 at 6:08 PM
briangreenberg.net
Recently, Kelsey Ziser of InformationWeek interviewed me on Anthropic’s AI-run cyberattack. 🧠 AI did the hacking; defense must, too

www.informationweek.com/cybersecurit...

#Cyber #AI #CIO #security #privacy #cloud #infosec #cybersecurity
Anthropic thwarts attack on Claude: Why it matters
The first-of-a-kind AI attack on Anthropic's Claude model shows how fast AI threats are evolving -- and why CIOs must strengthen their AI-based defenses.
www.informationweek.com
November 26, 2025 at 6:02 PM
briangreenberg.net
CrowdStrike just reminded us that zero trust often stops at the org chart.

TL;DR
🧠 Insider access abused
⚡ Vendor data reused
🎓 Limit access, log behavior

techcrunch.com/2025/11/21/c...

#CrowdStrike #CyberSec #InfoSec #security #privacy #cloud #cybersecurity
CrowdStrike fires 'suspicious insider' who passed information to hackers | TechCrunch
Cybersecurity giant CrowdStrike denied it had been hacked following claims from a hacker group, which leaked screenshots from inside CrowdStrike's network.
techcrunch.com
November 26, 2025 at 5:19 PM
briangreenberg.net
Agentic AI won't fix sloppy IT strategy; it amplifies it. I was on the #AITalk Podcast with Business Reporter discussing this w/ host Kevin Craine

🧠 Trust, guardrails first
⚡ Keep humans in loop
🎓 Shift quality left, test

#AgenticAI #ITStrategy
www.business-reporter.co.uk/ai--automati...
AI Talk: Updating your IT strategy for agentic AI
Updating your IT strategy for agentic AI means balancing speed with strong governance. Discover why human oversight and safe workflows matter most.
www.business-reporter.co.uk
November 26, 2025 at 4:56 PM
Reposted by Brian Greenberg
mrsbettybowers.bsky.social
What a topsy-turvy time we live in.
November 25, 2025 at 10:35 PM
briangreenberg.net
Every API is an attack surface. Contact discovery APIs let researchers map 3.5B active WhatsApp accounts from a massive pool of phone numbers.

🧠 WhatsApp API mapped 3.5B users
⚡ Rate limits are a basic defense

www.bleepingcomputer.com/news/securit...

#CyberSecurity #APISecurity #Privacy
WhatsApp API flaw let researchers scrape 3.5 billion accounts
Researchers compiled a list of 3.5 billion WhatsApp mobile phone numbers and associated personal information by abusing a contact-discovery API that lacked rate limiting.
www.bleepingcomputer.com
November 25, 2025 at 10:12 PM
briangreenberg.net
Think you’re safe working quietly from home? Not for long.
🧠 Teams will auto-detect when you’re connected to office WiFi
⚡ Your work location will update to “in the building” or “remote”
🎓 Bosses may get a clearer view of who’s working where
mashable.com/article/micr...
#HybridWork #Privacy
Microsoft Teams will tell your boss when you’re out of the office
A game-changing update for your local middle manager.
mashable.com
November 25, 2025 at 10:00 PM
briangreenberg.net
When the “plumbing” of Wall Street’s mortgage machine leaks, the whole system trembles.
🧠 Vendor breach hits major banks’ data pipelines
⚡ Data including client info may be exposed
🎓 No operational disruption yet—but the ripple is real
www.cnn.com/2025/11/23/b...
#CyberSecurity
Wall Street banks scramble to assess fallout from hack of real-estate data firm | CNN Business
Hackers stole a trove of data from a company used by major Wall Street banks for real-estate loans and mortgages, setting off a scramble to determine what was taken and which banks were affected, acco...
www.cnn.com
November 25, 2025 at 9:52 PM
briangreenberg.net
Finally!! Illinois residents can add driver’s license, ID to Apple Wallet beginning Wednesday. 🎉

wgntv.com/news/traffic...
wgntv.com
November 19, 2025 at 3:48 AM
briangreenberg.net
Deploying autonomous agents without governance isn't innovation. It's just exposure. If you can't explain how the bot made the decision, you shouldn't deploy it.

👤 Humans must own the risk
💰 5% budget rule for gov

www.cio.com/article/4074...

#AIGovernance #CIO #Tech
Building trust in autonomous AI: A governance blueprint for the agentic era
You can’t unlock AI’s full potential without trust. Real governance is what turns agentic ambition into lasting business value.
www.cio.com
November 19, 2025 at 1:48 AM
briangreenberg.net
🤣
November 18, 2025 at 6:09 PM
briangreenberg.net
www.techradar.com/pro/live/a-c...
A Cloudflare outage is taking down parts of the internet - here's what we know so far
Cloudflare issue is affecting lots of websites
www.techradar.com
November 18, 2025 at 1:31 PM
briangreenberg.net
🤖 Agentic AI isn’t just writing faster code—it’s making autonomous decisions.
That means new challenges for IT:
• 🛡️ Security
• 🚦 Governance
• 🧭 Trust & control
• 🤝 Human + agent collaboration

#AITalk

Join 👉 lnkd.in/ekuuFz85

#AgenticAI #CIO #AIGovernance #Cybersecurity #ITStrategy 🚀💬🔍
November 18, 2025 at 12:38 PM
briangreenberg.net
Long live Halloween!! 👻 🎃 🕷️ 🧛🏻‍♂️
November 17, 2025 at 4:38 AM