Technology
5 mobile privacy terms you need to know to protect yourself
Your smartphone might be your closest companion, tracking your steps, saving your passwords and remembering your favorite takeout. But how much do you know about how it protects (or exposes) your privacy?
We’re breaking down five key mobile privacy terms that could make all the difference when it comes to keeping your personal info safe. Whether you’re team iPhone or Android, understanding these concepts can help you take control of your digital footprint — right from the palm of your hand.
Stay tuned for more in this series as we dive deeper into privacy-related tech terms and other essential concepts, answering the top questions we get from readers like you.
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A woman working on her laptop (Kurt “CyberGuy” Knutsson)
1. Location tracking
Your phone’s GPS isn’t just for directions
Every time you check the weather, tag your location on Instagram or ask Google Maps for the quickest route, you’re sharing your whereabouts. That’s thanks to Location Tracking, a feature built into most apps and devices that uses GPS, Wi-Fi, Bluetooth or cell towers to pinpoint your location.
Here’s the catch: Many apps track you even when you’re not using them. Some use this data to serve local content or ads, while others collect and sell it to third parties.
How to protect yourself:
- Check which apps have location access in your settings
- Switch from “Always” to “While Using the App”
- Consider turning off location services entirely when you don’t need them
Knowing when and how you’re being tracked is the first step to stopping it.
More: Top 20 apps tracking you every day
2. App permissions
What your apps know about you (and maybe shouldn’t)
Before you can use that new photo editor or budgeting tool, it probably asked for a few things — access to your camera, contacts, microphone, maybe even your calendar. These are called App Permissions, and they determine what parts of your phone an app can interact with.
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While some requests are necessary (e.g., a video app needs camera access), others can be excessive or even suspicious. For example, why does a flashlight app need your location or call logs?
Tips for staying in control:
- Review permissions when installing apps
- Regularly audit your app settings
- Delete apps you no longer use
Your data shouldn’t be the price of convenience. Set boundaries.
More: Did you say ‘yes’ to allowing apps permission to your Google account?
A woman looking at her phone while working on her laptop (Kurt “CyberGuy” Knutsson)
TOP 20 APPS TRACKING YOU EVERY DAY
3. Two-factor authentication (2FA)
A second lock on your digital front door
Passwords aren’t perfect. That’s where two-factor authentication (2FA) comes in. It adds an extra layer of protection by requiring two forms of identification before granting access to your account, typically something you know (a password) and something you have (a text code or authentication app).
Many major apps and platforms now support 2FA, and enabling it can help block hackers, even if they steal your password.
Most common types of 2FA:
- Text or email codes
- Authenticator apps like Google Authenticator or Authy
- Biometric verification (fingerprint or face ID)
Activate 2FA where you can. It’s one of the simplest ways to level up your mobile security.
4. Mobile ad ID
The invisible label that tracks your habits
Behind the scenes, your phone is assigned a unique string of numbers and letters called a mobile advertising identifier (Mobile Ad ID). It helps advertisers track your behavior across apps and websites to build a profile of your interests.
While it doesn’t include your name, it can be linked to your device and used to serve targeted ads. Think of it as a digital name tag for marketing purposes.
Want to opt out? You can:
- iPhone: Go to Settings > Privacy & Security > Tracking
- Android: Settings > Privacy > Ads, and reset or delete your Ad ID
You’re not obligated to let your phone advertise you.
More: How to escape Facebook’s creepy ad tracking
A laptop and external storage devices on a desk (Kurt “CyberGuy” Knutsson)
10 SIMPLE STEPS TO IMPROVE YOUR SMARTPHONE’S SECURITY AND PRIVACY
5. VPN (virtual private network)
Your personal privacy tunnel
A VPN is like a secret tunnel for your internet connection. It hides your online activities and helps keep your personal information safe when you’re using the internet, especially on public Wi-Fi.
In addition to protecting your information from prying eyes, a VPN also hides your real location. It allows you to connect to the internet through a server in another part of the world, which makes it appear as though you’re browsing from a different location. This is useful for security (protecting your privacy) and for accessing content that might be restricted in certain areas.
When you connect to public Wi-Fi at a coffee shop or airport, your data can be exposed to hackers and snoops. That’s where a VPN (virtual private network) comes in. It encrypts your internet traffic and routes it through a secure server, hiding your IP address and protecting your activity.
Think of it as a private tunnel for your internet usage, shielding your data from prying eyes.
What VPNs are great for:
- Protecting your connection on public Wi-Fi
- Accessing region-locked content
- Hiding your online activity from advertisers or your internet provider
Just make sure to choose a trustworthy VPN. Some free VPNs may log your data or slow your phone down. A reliable VPN is essential for protecting your online privacy and ensuring a secure, high-speed connection. For best VPN software, see my expert review of the best VPNs for browsing the web privately on your Windows, Mac, Android and iOS devices
DATA REMOVAL DOES WHAT VPNS DON’T: HERE’S WHY YOU NEED BOTH
Kurt’s key takeaways
Your mobile device is powerful, but so are the privacy risks associated with it. By understanding these five mobile privacy terms, you can take simple yet impactful steps to protect your digital life. From turning off unnecessary app permissions to enabling two-factor authentication, these small tweaks can help you stay in control and keep your information safe.
Confused by a mobile tech term or want help tightening up your privacy settings? Drop your questions below. We’ve got more tips coming your way. Let us know by writing us at Cyberguy.com/Contact
For more of my tech tips and security alerts, subscribe to my free CyberGuy Report Newsletter by heading to Cyberguy.com/Newsletter
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Copyright 2025 CyberGuy.com. All rights reserved.
Technology
Brendan Carr is a dummy
All year on The Vergecast, we’ve been tracking the many bizarre and problematic actions of FCC Chairman Brendan Carr. There has been a lot to discuss! Then, this week, ahead of one of our last episodes of the year, Carr appeared in front of the Senate Commerce Committee and spent three hours explaining how he thinks about his job, the FCC, and the state of online communication and entertainment. It was a lot.
On this episode of The Vergecast, we begin with a dissection of Carr’s testimony, his threats against broadcasters, and the ways in which he’s using old ideas about content delivery to get his political way. Nilay and David walk through some of Carr’s most important quotes, explain the history of broadband regulation, and look ahead to how Carr might bring these same tactics to internet regulation next year.
Also, an important housekeeping note: The Vergecast will be live at CES! We’ll be at the Brooklyn Bowl in Las Vegas, at 3:30PM on Wednesday, January 7th. There will be podcasting, and hanging out, and bowling. It’s going to be great, and if you’re going to be in Vegas we’d love to see you there.
Until then, if you want to know more about everything we discuss in this episode, here are some links to get you started, first on Brendan Carr:
And in the streaming wars:
And in the lightning round:
Technology
AI photo match reunites Texas woman with lost cat after 103 days
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Holiday gatherings and year-end travel often lead to a spike in missing pets. Doors open more often, routines shift and animals can slip outside in a moment of confusion.
New Year’s Eve creates loud fireworks, and shelters report some of their busiest nights of the entire year. Amid all that, one Texas family just experienced a heartwarming reunion thanks to an AI photo matching on Petco Love Lost.
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FIND A LOST PHONE THAT IS OFF OR DEAD
An AI photo-matching on Petco Love Lost helped reunite a Texas family with their missing cat after 103 days. (ULISES RUIZ/AFP via Getty Images)
How AI photo matching kept the search going
Pam’s 11-year-old indoor cat, Grayson, had never been outside alone. She believes he slipped out while she unloaded groceries at their home in Plano, Texas. The moment she realized he was gone, she acted fast.
She said, “We went up and down the streets day and night. We went online in the neighborhood and on Love Lost. We put up flyers all over the neighborhood. Friends and neighbors were looking for him. I went to the animal shelter, posted him there, and went every day for over a month, hoping to find him.”
Pam uploaded Grayson’s photo to Petco Love Lost right away. She checked her daily match alerts and hoped she would see his familiar face pop up. She told CyberGuy, “I received match alerts almost every day from Lost Love, but never saw Grayson. His profile had been on their site for over 90 days.”
The moment everything changed
Missy, a nearby resident, spotted a thin cat in an alley near her home. She brought him inside, took a picture of him and then turned to Love Lost to see if anyone had reported a missing cat like him.
Missy explained how simple the process felt. “I used Lost Love to reunite them,” she said. “I uploaded a photo of the cat that we found, and it was matched through AI with the photo that the owner uploaded.”
She soon received an AI match alert and learned that the cross street Grayson’s owner, Pam, had listed in her lost post was only a mile from her home. Missy contacted Pam right away.
That message changed everything. “I am sure that if we had not posted his picture and enabled the ability to match the images, we would never have known what happened to Grayson,” Pam said. “And we would not have connected with Missy.”
AI TECH HELPS A SENIOR REUNITE WITH HER CAT AFTER 11 DAYS
Grayson, an indoor cat from Plano, Texas, was finally found thanks to a neighbor who uploaded his photo to an AI search tool. (DANIEL PERRON/Hans Lucas/AFP via Getty Images)
A long road for an aging cat
Grayson is almost 12 and has never lived outdoors. That made this reunion feel even more emotional, Pam said.
“I am still amazed at Grayson’s journey,” she added. “I look at him and cannot believe he made it through those 103 days. He is almost 12 years old, so he is not a young kitty.”
Pam said she still thinks about what those months were like for him. “[I] guess I will always wonder where he was and how many stops he made before he reached Missy’s loving home,” she said. “He must have known she would take care of him. It takes a special person to take the time to reunite a beloved pet with their family. Missy and her family went above and beyond to reunite us with Grayson.”
Why pet tech matters during the holidays
This season brings joy but also risks for pets. Visitors, travel and loud celebrations create more chances for animals to slip out or feel spooked. Tools like AI photo matching help families act fast when a pet goes missing. Love Lost connects shelters and neighbors in one place so that people like Pam and Missy can find each other.
What to do if your pet goes missing
Losing a pet can feel overwhelming, but taking fast action helps. These steps guide you through what to do right away.
1) Search your home and neighborhood right away
Look in closets, garages and under furniture. Walk your street and ask neighbors to check yards and sheds.
2) Upload your pet’s photo to Petco Love Lost
Take a clear photo and post it on the site. AI photo matching alerts you when a possible match appears. It also helps others contact you fast.
3) Visit your local shelters in person
Shelters update kennels throughout the day. Staff can guide you and help flag your pet’s profile. Go often until you get updates.
4) Post on local community groups
Use neighborhood apps, local Facebook groups and community forums. Include your pet’s photo, last known location and your contact info.
5) Put up flyers right away
Use a large photo and simple details. Place flyers at busy intersections and near schools, parks and businesses.
6) Contact your pet’s microchip registry
If your pet is microchipped, call the registry or log in to your account. Make sure the chip is registered to you, update your contact info and mark your pet as missing so shelters and vets can reach you fast.
7) Stay consistent with your search
Check Love Lost alerts often. Visit shelters and follow up on every lead. Persistence made the difference for Pam and Grayson.
LOST DOGS ON FOURTH OF JULY: HOW TO KEEP YOUR PET SAFE
A pet owner is seen cradling a cat on their lap. (Diego Herrera Carcedo/Anadolu via Getty Images)
How AirTags can help you find a lost pet faster
While tools like AI photo matching are invaluable after a pet goes missing, prevention and real-time tracking can make an enormous difference during the first critical hours. That’s where Apple AirTags come in. An AirTag isn’t a GPS tracker, but it can still be a powerful recovery tool when used correctly. When attached securely to your pet’s collar, an AirTag uses Apple’s vast Find My network. That network consists of hundreds of millions of nearby iPhones, iPads and Macs that can anonymously and securely relay the AirTag’s location back to you.
If your pet wanders into a neighborhood, apartment complex or busy area, the chances are high that another Apple device will pass nearby and update the location automatically. You won’t know who helped, and they won’t know it was them, but the location can show up on your map within minutes. For indoor cats or dogs that don’t usually roam far, this can be especially helpful. Even a rough location can narrow your search area and save precious time.
Important limits to know: AirTags work best in populated areas. They rely on nearby Apple devices, so coverage may be limited in rural or remote locations. They also don’t update continuously like true GPS pet trackers. That’s why AirTags should be seen as a backup layer, not a replacement for microchipping or dedicated pet trackers.
How to use an AirTag safely with pets
- Use a secure, pet-specific AirTag holder that won’t break easily.
- Attach it to a breakaway collar for cats and dogs to reduce injury risk.
- Make sure Find My notifications are turned on so you get alerts quickly.
- Combine it with microchipping and ID tags for the best protection.
Used together, these tools give you multiple ways to reconnect with your pet, whether minutes or months have passed.
For a list of the best pet trackers, go to Cyberguy.com and search “best pet trackers.”
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Kurt’s key takeaways
Grayson’s reunion is a reminder that tech works best when caring people put it to use. AI matched the photos, but Missy took action, and Pam never stopped looking. Their persistence helped a senior cat get home after a long and risky journey.
If your pet went missing today, would you know the first step to bring them home fast? Let us know by writing to us at Cyberguy.com.
Sign up for my FREE CyberGuy Report
Get my best tech tips, urgent security alerts and exclusive deals delivered straight to your inbox. Plus, you’ll get instant access to my Ultimate Scam Survival Guide — free when you join my CYBERGUY.COM newsletter.
Copyright 2025 CyberGuy.com. All rights reserved.
Technology
TikTok ban: all the news on the app’s shutdown and return in the US
After briefly going dark in the US to comply with the divest-or-ban law targeting ByteDance that went into effect on January 19th, TikTok quickly came back online. It eventually reappeared in the App Store and Google Play as negotiations between the US and China continued, and Donald Trump continued to sign extensions directing officials not to apply the law’s penalties.
Finally, in mid-December, TikTok CEO Shou Zi Chew told employees that the agreements to create TikTok USDS Joint Venture LLC, which includes Oracle, Silver Lake, and MGX as part owners, have been signed, and the deal is expected to close on January 22nd, 2026. His letter said that for users in the US, the new joint venture will oversee data protection, the security of a newly-retrained algorithm, content moderation, and the deployment of the US app and platform.
Read on for all the latest news on the TikTok ban law in the US.
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