Canvas is used by 7000+ universities, K-12 school districts world wide. The parent company Instructure disclosed the data breach May 5, 2026. Data included names, email addresses, student ID numbers and private messages between users.
The criminal extorsion group ShinyHunters has claimed responsibility for the attack. The private messages could contain medical and mental health information to advisors.
SCCCCyber
Friday, May 8, 2026
Millions of student & educators personal data solen Instructure the company that runs Canvas learning management systems
Google Chrome 4GB AI LLM file
Many stories on the Internet concerning Google Chrome downloading a large file to support AI with a local LLM model. This can improve security and privacy.
If you are low on disk space and want to remove this file AND disable Google from reloading it:
✅ Step 1: Check if the AI file is even on your computer
First, don’t assume it’s there.
On Windows
Press Windows + R
Paste this and hit Enter: %LOCALAPPDATA%\Google\Chrome\User Data
Look for a folder named something like:
OptimizationGuideModelStore
OptGuideOnDeviceModel
Inside those folders, look for a large file:
Often named weights.bin
✅ If you see it and it’s several GB → that’s the AI model
❌ If you don’t see it → nothing to worry about
On Mac
Open Finder
Press Command + Shift + G
Paste: ~/Library/Application Support/Google/Chrome
Look for the same folders mentioned above
✅ Step 2: Turn OFF Chrome AI features (very important)
Do this FIRST—otherwise the file may come back.
In Chrome:
Go to: chrome://settings
Search for**“AI” or “Gemini”**
Turn OFF:
Gemini / AI assistant
Writing help (“Help me write”)
Page content sharing
👉 These features are what trigger the model download
Also remove the AI sidebar/button
If you see a Gemini icon:
Right‑click → Unpin
Or go to: chrome://settings/ai/gemini → turn everything OFF
✅ Step 3: Disable AI Mode (search/chat button)
In Chrome, open: chrome://flags
Search for: ai mode
Set these to Disabled:
AI Mode Omnibox entrypoint
Omnibox Allow AI Mode Matches
Restart Chrome
👉 This prevents Chrome pushing AI features again
✅ Step 4: Delete the AI file (if present)
Once AI features are OFF:
Go back to the folder from Step 1
Delete:
weights.bin
Or the entire AI model folder
👉 If AI is disabled, Chrome should not re-download it
✅ Step 5: (Optional) Verify it stays gone
Restart your computer
Reopen Chrome
Check if the folder/file is gone
⚠️ Important notes
Chrome may try to reinstall the file if:
AI features get re-enabled
Chrome updates reset settings
“chrome://flags” settings are temporary and may revert after updates [oilprice.com]
🧠Simple summary
You’re doing 3 things:
Turn OFF AI features ✅
Disable hidden AI switches ✅
Delete the file ✅
✔ After this, Chrome should:
Stop using AI features
Stop downloading the large model
Free up that storage space
Friday, May 1, 2026
Most Windows 11 machines are updating automatically
What is happening now
Microsoft is actively forcing feature updates on unmanaged Windows 11 PCs (Home and most Pro machines not controlled by IT):
Windows 11 24H2 → 25H2
Devices on 24H2 are being automatically upgraded to 25H2 as part of a staged rollout tied to end‑of‑support timelines [pureinfotech.com], [hothardware.com], [techpowerup.com]Windows 11 22H2 / 23H2 → newer versions earlier (24H2, then 25H2)
Microsoft already made earlier feature updates mandatory once versions reached or neared end of support [learn.microsoft.com], [windowsforum.com]These upgrades cannot be permanently refused on unmanaged machines — users can only:
- Pause temporarily
- Choose restart timing
(eventually the update installs) [pureinfotech.com], [notebookcheck.net]
What is not happening
Managed / work devices are NOT all updating automatically:
- Enterprise‑managed PCs (Intune, Autopatch, Group Policy, SCCM, etc.) do not get forced feature upgrades
- IT controls:
- Which version
- When it deploys
- Whether it’s phased, blocked, or delayed
using Windows Update rings and feature update policies [learn.microsoft.com]
So if your Windows 11 machine is:
- Enrolled in Intune
- Part of a corporate domain
- Managed by Autopatch or update rings
…then it only updates when IT allows it, not because Microsoft says “now.”
Why it feels like “everything is updating”
A few things are overlapping right now:
- Multiple Windows 11 versions hitting end‑of‑service windows
- A mandatory April 2026 security update (KB5083769) that installs on supported versions [cybersecur...tynews.com]
- Microsoft expanding automatic upgrades to “all unmanaged Home + Pro devices” in April–May 2026 [pureinfotech.com], [notebookcheck.net]
That combination makes it look like every Windows 11 PC is updating — but the split is really unmanaged vs. managed.
Quick rule of thumb
- Personal / home PC → ✅ likely updating or will soon
- Company‑owned / IT‑managed PC → ❌ only updates per IT policy
Chrome and Firefox Browser Updates to address security issues
Chrome version 147 has 30 fixes for security issues.
The latest version of Chrome is 147.0.7727.138
Firefox version 150.0.1 fixes 4 security issues.
Chromium based browsers should follow these fixes soon.
Monday, April 27, 2026
ADT Confirms Data Breach
ADT confirmed a data breach detected on April 20, 2026, involving unauthorized access to certain cloud‑based environments. The incident has been publicly linked to the ShinyHunters extortion group, which threatened to leak stolen data unless a ransom was paid.
- Names
- Phone numbers
- Physical addresses
In a small percentage of cases:
- Dates of birth
- Last four digits of Social Security numbers or Tax IDs
Not accessed:
- Credit card or bank information
- Customer alarm or monitoring systems
Based on standard guidance cited in coverage of the breach:
- Watch for phishing calls, texts, or emails referencing ADT
- Monitor credit reports and accounts for unusual activity
- Take advantage of ADT’s identity‑protection services if offered
- Check whether your email appears in this breach via Have I Been Pwned
Tuesday, April 21, 2026
Microsoft Patch Tuesday statistics
Monday, April 20, 2026
Maryland bans Surveillance pricing
Prohibits
- Using personal or surveillance data to set individualized grocery prices
- Charging different people different prices for the same grocery item based on who they are
- Real‑time price changes driven by consumer profiling
Requires
- Grocery prices generally remain fixed for at least one business day, limiting sudden price spikes from digital tag