Your Free Guide to Understanding Privacy Settings

What Privacy Settings Are and Why They Matter

Privacy settings are tools built into websites, apps, and devices that let you control who sees your information and what companies can do with your data. Think of them like locks on different doors in your house—you decide which doors stay open, which stay partially open, and which stay completely closed.

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Every time you use the internet, information about you gets collected. This might include your location, your search history, what you click on, what you buy, or even what photos you take. According to the Pew Research Center, about 72% of Americans believe the government should do more to regulate how companies collect and use personal data. However, many people don't realize they already have some control over this collection through privacy settings.

Privacy settings matter because they affect your security and your rights. When your data is exposed or misused, you could face identity theft, unwanted marketing, or manipulation. For example, in 2019, millions of Facebook users' data was leaked because their privacy settings were not set to protect their information. People whose profiles were public had their names, birth dates, phone numbers, and email addresses exposed to people who shouldn't have had access.

Understanding privacy settings also matters because companies use your data to make decisions about you. They might use your online behavior to determine what prices you see, what jobs you're shown, or whether you get approved for credit. A 2023 study found that people with certain privacy settings enabled paid an average of 5-10% less for the same products online because they were exposed to less targeted advertising.

Practical takeaway: Privacy settings exist on almost every platform you use. Spending time to understand and adjust them puts you in control of your own information rather than leaving those decisions to companies or accepting default settings.

How to Find and Adjust Privacy Settings on Social Media

Social media platforms like Facebook, Instagram, Twitter, TikTok, and LinkedIn all have privacy settings, but they're often hidden in menus or settings pages. Each platform makes their settings look different, which can be confusing, but the basic process is similar across all of them.

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On Facebook, you can access privacy settings by clicking the downward arrow in the top right corner, then selecting "Settings & privacy" and then "Settings." From there, you'll see options like "Who can see your posts?" and "Who can contact you?" You can set these to "Public" (everyone can see), "Friends" (only your friends), or "Only me" (just you). Facebook also lets you review past posts and change who could see them. According to Facebook's own data, only about 34% of users have adjusted their privacy settings from the default options, meaning most people's information is more visible than they realize.

On Instagram, go to your profile, tap the menu icon (three lines), select "Settings and privacy," then "Privacy." Here you can make your account private, which means only people you approve can follow you and see your posts. You can also control who can message you, who can comment on your posts, and who can see your story. Instagram also has a "Restrict" feature that lets you limit what a specific person can see without unfollowing them.

On TikTok, go to "Me," tap the three lines, select "Settings and privacy," then "Privacy." You can make your account private, control who can message you, who can see your videos, and who can see what you've liked. TikTok's algorithm shows videos to people based on what they watch, so changing privacy settings helps control who can learn about your interests through your activity.

On Twitter/X, select "More" from the menu, go to "Settings and privacy," then "Privacy and safety." You can make your account private so only approved followers see your tweets. You can also control who can message you, tag you in photos, and find your account using your email or phone number.

Practical takeaway: Start with one platform you use most often. Find its settings menu, look for "Privacy" options, and change your posts from "Public" to "Friends" or "Private." This single change dramatically reduces how many strangers can see your information and activity.

Understanding Email and Password Privacy Protection

Your email account is one of the most important things to protect because it's the key to almost everything else online. If someone gains access to your email, they can reset your passwords for other accounts, access your messages, and even pretend to be you. This makes email privacy settings critical.

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Most email providers—Gmail, Outlook, Yahoo, and others—let you review what devices have access to your account and see your login history. In Gmail, you can check this by going to your account, selecting "Security," and looking at "Your devices." This shows you every device that's signed into your email. If you see a device you don't recognize, you can sign out of it immediately. You can also see when your account was accessed and from where. If you notice logins from places you've never been, that's a sign someone else may have your password.

Two-factor authentication (also called 2FA) is one of the most important privacy protections you can turn on. This means that even if someone gets your password, they can't access your account without a second form of verification—usually a code sent to your phone. According to Google, enabling two-factor authentication blocks 99.9% of automated account attacks. You can turn this on for Gmail by going to myaccount.google.com, selecting "Security," and following the steps to add a phone number or authenticator app.

Your passwords themselves need privacy protection. Never use the same password across multiple accounts because if one company gets hacked, hackers can use that password to access all your accounts. The U.S. Cybersecurity and Infrastructure Security Agency recommends using passwords that are at least 12 characters long and include uppercase letters, lowercase letters, numbers, and symbols. Password managers like Bitwarden or 1Password store all your passwords in an encrypted vault so you only have to remember one master password.

Email providers also have options to control who can contact you and what information shows up when people search for you. In Gmail, you can adjust contact settings so unknown senders are filtered into a separate inbox, reducing spam and phishing attempts. You can also control whether your email shows up in search results or directory listings.

Practical takeaway: This week, go to your main email account's security settings, review what devices have access, and turn on two-factor authentication. Then create a unique, strong password for that email if you haven't already. This protects your gateway to all your other online accounts.

Privacy Settings for Your Phone and Connected Devices

Your smartphone collects more data about you than any other device you own. It tracks your location constantly, records everything you say near it, and knows which apps you use and when. Most phones—whether iPhone or Android—have built-in privacy controls that let you limit what information each app can access.

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On an iPhone, go to "Settings," then "Privacy and Security." Here you'll see a list of permissions like Location Services, Camera, Microphone, Photos, Contacts, and Calendar. Tapping on each one shows you which apps have requested that permission and whether you've allowed it. You should review each app and think about whether it really needs that access. For example, a flashlight app doesn't need your location, but a maps app does. You can set permissions to "Allow While Using App" (only when you're actively using it), "Allow Once," or "Don't Allow." Apple reports that when iOS 14 was released with privacy changes, 97% of users chose to limit app tracking when given the option.

On Android, go to "Settings," then "Apps & notifications," then "Permissions." You'll see a list of permissions like Location, Camera, Microphone, and Photos. Tap each one to see which apps have that permission. Unlike iPhone, Android lets you set permissions differently for different apps—one app might have camera access while another doesn't. You can also go app-by-app: open Settings, find the app, and adjust its permissions individually.

Location tracking deserves special attention because it's one of the most invasive forms of data collection. Your phone knows everywhere you go, and companies buy this data to understand your habits and patterns. On iPhone, turn off Location Services for apps that don't need it by going to Settings > Privacy & Security > Location Services. On Android, go to Settings > Location and turn it off entirely when you don't need it, or adjust it per-app in the Permissions section. Many people keep location on "