TechTech News

WhatsApp Privacy And Security: A Comprehensive Guide to Safeguarding Your Data And Messages

WhatsApp is among the most popular messaging apps worldwide, connecting millions daily. While it offers a convenient platform to stay in contact with friends, family, and colleagues, it’s crucial to prioritize your privacy and security while using the app. This comprehensive guide of WhatsApp Privacy And Security will walk you through essential tips and settings to safeguard your data and ensure a secure messaging experience.

Table of Contents

Understanding WhatsApp Privacy

What Information Does WhatsApp Collect?

When you use WhatsApp, certain information is collected to provide seamless service. That includes your phone number, device information, IP address, and interactions with others on the platform. WhatsApp emphasizes that it does not read your messages due to end-to-end encryption.

How Is Your Data Used?

WhatsApp primarily uses your data to deliver messages, facilitate calls, and improve user experience. The information collected may also be used for personalized content, ads, and recommendations, but only if you opt for it.

WhatsApp and End-to-End Encryption

End-to-end encryption is a crucial privacy feature on WhatsApp. WhatsApp has access to the content of messages, but only the sender and recipient can read them. This provides a high level of privacy for your conversations.

WhatsApp Privacy Settings You Should Know

End-to-End Encryption

One of the primary privacy features of WhatsApp is end-to-end encryption. This means that the messages you send are scrambled into unreadable code on your device, and only the intended recipient’s device can decrypt and read the message. This prevents anyone, including WhatsApp, from intercepting and reading messages as they travel between devices.

Data Sharing with Facebook

WhatsApp’s privacy policy has changed, leading to concerns about data sharing with Facebook. While WhatsApp previously shared limited user data with Facebook, as of my last update in September 2021, WhatsApp’s privacy policy stated that it did not share user messages, group information, or call logs with Facebook. However, it may share user account information, such as phone numbers and usage data, with other Facebook-owned companies for targeted advertising. Be sure to check the latest privacy policy for any updates.

Also: How to Install WhatsApp on 2 Devices with the Same Number

Two-Step Verification

WhatsApp offers a two-step verification feature that adds a layer of security to your account. By enabling this, you’ll need to enter a six-digit PIN when registering your phone number with WhatsApp again, providing additional protection against unauthorized access.

WhatsApp Privacy Settings 

WhatsApp provides users with various privacy settings to control who can see their information and who can contact them. You can customize who can view your profile photo, status, last seen, and read receipts (blue checkmarks). By adjusting these settings, you can have more control over your privacy on the platform.

Blocked Contacts

If you encounter unwanted or bothersome contacts on WhatsApp, you can block them easily. This action prevents them from sending you messages or seeing your online status.

Third-Party Apps

Be cautious about using third-party apps claiming to enhance WhatsApp functionality. These apps compromise your privacy and security by accessing your messages or other sensitive data.

Remember that while WhatsApp takes privacy seriously, no online platform is risk-free. It’s essential to stay informed about the app’s privacy policies and regularly check for updates. Always use strong and unique passwords, enable two-step verification, and be cautious about sharing sensitive information with unknown contacts.

Also: More security for WhatsApp Web: Soon you will need the fingerprint to log in

Protecting Your WhatsApp Account

WhatsApp privacy settings

Protecting your WhatsApp account is crucial to ensure your privacy and prevent unauthorized access. Here are some steps you can take to safeguard your WhatsApp account:

Use a Strong and Unique Password

When setting up your WhatsApp account, use a strong and unique password that is not easily guessable. Avoid using common passwords or personal information like birthdates. For a robust password, it is recommended to use a combination of numbers, lowercase and uppercase letters, numbers, and special characters.

Enable Two-Step Verification: 

WhatsApp offers a two-step verification feature that adds an extra layer of security. Go to WhatsApp Settings > Account > Two-step verification > Enable to enable it. You’ll be asked to set a six-digit PIN, which you must enter when registering your phone number with WhatsApp again or setting up WhatsApp on a new device.

Keep WhatsApp Updated

Regularly update the WhatsApp app on your device. Frequent updates usually consist of security patches that assist in shielding against possible vulnerabilities.

It’s best to avoid clicking on links or opening attachments sent by contacts you don’t recognize or seem suspicious. Such messages may lead to phishing attempts or malware that could compromise your account.

Secure Your Phone and App Lock

Ensure your phone is protected with a secure lock screen pattern, PIN, or fingerprint. For added security, you may use the app lock feature (if available on your device) to protect the WhatsApp app.

Enable Privacy Settings

Customize your WhatsApp privacy settings to control who can see and contact your information. You can manage settings for profile photo visibility, last seen, status updates, and read receipts.

Avoid Public Wi-Fi for WhatsApp Web

While WhatsApp Web is convenient, avoid using it on public Wi-Fi networks. Public networks can be less secure, potentially exposing your WhatsApp messages to unauthorized individuals.

Logout from Public Devices

If you use WhatsApp Web on a shared or public computer, remember to log out once you’re done to prevent others from accessing your account.

Regularly Review Linked Devices

Periodically check the list of linked devices in your WhatsApp settings. If you see any unfamiliar devices, you can log them out to ensure that only authorized devices can access your account.

Beware of Scams and Social Engineering

Be cautious of unsolicited messages asking for personal information or claiming to be from WhatsApp support. WhatsApp will never ask for sensitive information through the app itself.

By following these measures, you can significantly improve the security of your WhatsApp account. And minimize the chances of unauthorized access or privacy breaches. It is important to stay up-to-date with the latest security updates and best practices to ensure the safety of your account. Keeping informed about these matters will help keep your account secure.

Also: WhatsApp vs. Signal vs. Telegram: Choosing the Most Secure Messaging App

Managing Privacy for WhatsApp Groups

Managing privacy in WhatsApp groups is essential to control who can join the group and who can access the group’s information. Our top priority is creating a secure and courteous atmosphere for everyone involved. Here are some tips for managing privacy in WhatsApp groups:

Invite Participants Carefully

As a group admin, you can add or invite members to the group. Be mindful of whom you invite, and avoid adding people without their consent. Adding someone to a group without their permission can be intrusive and may lead to them leaving or feeling uncomfortable.

Enable Group Invitation Settings

WhatsApp provides privacy settings for group invitations. You have the option to select who can add you to groups: “Everyone,” “My Contacts,” or “Nobody.” Go to WhatsApp Settings > Account > Privacy > Groups to access this setting. Select the appropriate option based on your preferences.

Restrict Group Info

As a group admin, you can control who can change the group’s subject, icon, and description. To do this, go to the group info page, tap the group name at the top, and then select “Edit group info.” Choose “All participants” or “Only admins” for each setting.

Manage Group Participants

As an admin, you can remove participants from the group if necessary. If someone is disruptive, violates the group’s rules, or behaves inappropriately, you can remove them from the group.

Set Group Rules

Establish clear rules and guidelines for the group to maintain a positive and respectful environment. Communicate these rules to all participants so they know the group’s expectations.

Moderate Discussions

Encourage healthy discussions and discourage harassment, hate speech, or offensive content in the group. As an admin, it’s your responsibility to moderate discussions and address any issues promptly.

Use Broadcast Lists for Privacy

One helpful tip is to utilize WhatsApp Broadcast Lists for sending a message to several contacts without forming a group. Broadcasts send messages individually to each contact, maintaining their privacy and preventing participants from seeing each other’s numbers.

Manage Group Media Sharing

If your group involves sharing media like photos and videos, establish guidelines on the types of content allowed. Encourage members to seek permission before sharing sensitive or private media.

Be Transparent

Be transparent about group rules, privacy settings, or administration changes. Communicate these changes to the group members to maintain trust and clarity.

Regularly Review Group Settings

Periodically review and update the group settings to ensure they align with the group’s purpose and privacy preferences.

Following these privacy management tips, you can create a secure and respectful environment within your WhatsApp group, ensuring all participants feel comfortable and valued. Remember that as a group admin, you play a significant role in shaping the group’s dynamics, so use your authority responsibly and considerately. 

Protecting Your WhatsApp Calls

Protecting your WhatsApp calls is crucial to maintain privacy during voice and video conversations. While WhatsApp already employs end-to-end encryption for its messages and calls, there are additional steps you can take to enhance the security of your WhatsApp calls:

Secure Internet Connection: 

Always use a secure and private internet connection for making WhatsApp calls. Avoid using public Wi-Fi networks, as they may be less secure and could potentially expose your calls to eavesdropping or hacking attempts.

Keep WhatsApp Updated

It is important to keep the WhatsApp app on your device up to date to have access to the latest security patches and features. Developers often release updates to address vulnerabilities and improve the app’s security.

Verify End-to-End Encryption

Before engaging in sensitive conversations, verify that your calls are encrypted. WhatsApp uses end-to-end encryption by default, but it’s always a good practice to double-check that your calls are secured.

Use Two-Factor Authentication

Enable two-factor authentication for your WhatsApp account to add an extra layer of security. To ensure that your WhatsApp account is secure and protected from unauthorized access, you must enter a PIN while registering your phone number again.

Be Cautious with Call Requests

Avoid accepting WhatsApp call requests from unknown or suspicious contacts. Such calls could be attempts to compromise your privacy or initiate scams.

Control Call Privacy Settings

WhatsApp provides privacy settings for voice and video calls. You can configure these settings to allow calls only from your contacts or specific people. To access these settings, go to WhatsApp Settings > Account > Privacy > Voice Calls or Video Calls.

Use Face ID/Touch ID Lock (if available)

If your device supports Face ID or Touch ID, consider enabling this feature for WhatsApp. It adds extra protection to your app and prevents unauthorized access to your calls.

Use Screen Lock during Calls

Always use the screen lock feature on your device during calls to prevent accidental taps or access to the call interface when the phone is in your hand.

End Calls Properly

Ensure you end your WhatsApp calls properly and close the app when done. Leaving a call open inadvertently could lead to privacy breaches.

Report Suspicious Activity

WhatsApp privacy settings

If you notice any suspicious behavior during WhatsApp calls, such as unusual call drops, strange noises, or unexpected call participants, report the incident to WhatsApp support and consider blocking the contact.

Following these steps, you can better protect your privacy during WhatsApp calls and ensure that your voice and video conversations remain secure. Remember that while WhatsApp employs robust encryption, taking additional precautions can help safeguard your communication further.

WhatsApp and Third-Party Apps 

WhatsApp’s policy on third-party apps is strict, and using unofficial or unauthorized third-party apps can pose risks to your privacy and security. Here’s what you need to know about WhatsApp and third-party apps:

WhatsApp’s Official App

For the best and safest experience, it is recommended to use WhatsApp’s official app, available in major app stores (like Google Play Store for Android and the App Store for iOS). WhatsApp regularly updates its official app with security patches and new features to enhance user experience and protect user data.

Risks of Third-Party Apps

Third-party apps claiming to provide enhanced functionality, customization, or additional features beyond the official WhatsApp app might not be authorized by WhatsApp. Unknown sources can develop these apps, and their safety and security cannot be guaranteed. Using such apps could lead to privacy breaches, data theft, or unauthorized access to your WhatsApp account.

Violations of WhatsApp’s Terms of Service

Using third-party apps that interact with WhatsApp in unauthorized ways is a violation of WhatsApp’s Terms of Service. WhatsApp reserves the right to take action against accounts found using unofficial apps, which may include temporary or permanent bans from the platform.

Privacy and Security Concerns

Third-party apps might request access to sensitive information on your device, such as messages, media, and contact lists. Granting these permissions to unauthorized apps can compromise your privacy and expose your data to potential misuse.

No Endorsement from WhatsApp

WhatsApp does not endorse or support any third-party apps that claim to work with or enhance WhatsApp’s services. Always be cautious when using any app that claims to interact with WhatsApp in ways beyond the official app’s capabilities.

Backup Compatibility Issues

Third-party apps may not be compatible with WhatsApp’s official backup and restore system, leading to potential data loss if you switch devices or need to recover your chats.

Avoiding Unofficial Modifications

Modifying the official WhatsApp app to add features or remove restrictions is not recommended. Modded versions of WhatsApp can expose your data to potential security risks, and you might lose access to official updates. 

WhatsApp Business Privacy

WhatsApp Business, a version of WhatsApp designed for businesses, offers several privacy features to help businesses maintain confidentiality and protect customer data. Here are some key aspects of WhatsApp Business privacy:

End-to-End Encryption

Like the regular WhatsApp app, WhatsApp Business messages and calls are protected by end-to-end encryption. This means only the sender and the recipient can access the content, and not even WhatsApp can read or listen to the messages.

Customer Contact Information

When using WhatsApp Business, businesses can access customer contact information, including phone numbers and profile names. Businesses must handle this data responsibly and comply with applicable protection laws.

Privacy Settings

WhatsApp Business provides privacy settings that allow businesses to control their visibility to customers. For instance, businesses can display their profile photo, business descriptions, and working hours to customers.

Customer Opt-In

Businesses must obtain customer consent before sending them messages on WhatsApp Business. Customers must initiate the conversation or provide explicit permission for businesses to message them.

Message Labels

WhatsApp Business allows businesses to label customer conversations to help categorize them for better organization. These labels are private to the business and do not affect the customer’s experience.

No Advertisements or Third-Party Marketing

WhatsApp Business is designed for direct communication between businesses and customers. It does not support advertisements, and businesses cannot use it for third-party marketing.

Data Protection Regulations

It is important for businesses utilizing WhatsApp to adhere to applicable data protection laws, such as the General Data Protection Regulation (GDPR) in the European Union or any other applicable laws in their region.

Secure Payments

If businesses use WhatsApp for payments or transactions, the app ensures secure and encrypted payment processing, protecting financial data.

Two-Step Verification

Businesses can activate a two-step verification feature to enhance their WhatsApp Business account security. This feature requires a PIN when verifying the phone number associated with the account.

Regular Updates

Businesses should update their WhatsApp Business app to ensure they have the latest security features and bug fixes.

As with any communication platform, it’s essential for businesses to be transparent with their customers about how they handle their data and to use WhatsApp Business responsibly. Prioritizing customer privacy and following WhatsApp Business’s guidelines and terms of service will help businesses maintain a positive and trustworthy relationship with their customers.

WhatsApp Web and Desktop Security

WhatsApp Web and Desktop offer a convenient way to use WhatsApp on your computer by mirroring conversations and messages from your mobile device. However, taking some security precautions to protect your data and ensure a safe experience is essential. Here are some tips for enhancing the security of WhatsApp Web and Desktop:

Use the Official Website or App

To ensure the highest level of security, always use the official WhatsApp Web website ( or the official WhatsApp Desktop app, available for Windows and macOS. Avoid using unofficial or third-party websites or apps that claim to offer similar functionality.

Scan QR Code Securely

Always scan the QR code displayed on the official website using your mobile device’s WhatsApp app when using WhatsApp Web. This code establishes the connection between your phone and the web browser or desktop app. Avoid scanning QR codes from unknown sources or unofficial websites.

Logout from Public Devices

If you use WhatsApp Web or Desktop on a public or shared computer, log out after you’re done. This prevents others from accessing your WhatsApp account and messages.

Enable Biometric Lock (if available)

If your mobile device supports biometric authentication (such as fingerprint or facial recognition), consider enabling it for WhatsApp. Doing this will add a layer of security to your WhatsApp application.

Check Active Sessions

Regularly check the list of active WhatsApp Web and Desktop sessions on your mobile device. You can do this from WhatsApp Settings > WhatsApp Web/Desktop. If you see any unfamiliar or suspicious sessions, you can log them out from your phone.

Secure Your Computer

Ensure your computer has updated security software, including antivirus and firewall protection. Keep your operating system and browser up-to-date to avoid potential vulnerabilities.

Use Private Browsing Mode

If you’re using WhatsApp Web on a shared computer, consider using private browsing or incognito mode in your browser. This prevents the browser from storing session data or cookies after logging out.

Protect Physical Access

Ensure that your computer is in a secure location and not accessible to unauthorized individuals. Physical access to your computer could lead to potential privacy breaches.

Use in Private Environment

Use WhatsApp Web and Desktop in a private and trusted environment whenever possible. Avoid using them on public computers or shared networks, which may be less secure.

Log Out Remotely

If you forget to log out from WhatsApp Web or Desktop on a shared computer, you can remotely log out from your phone. Go to WhatsApp Settings > WhatsApp Web/Desktop > Log out from all devices.

By following these security tips, you can enhance the protection of your WhatsApp messages and data when using WhatsApp Web and Desktop. Being vigilant about your online privacy and taking necessary precautions will help you have a safer WhatsApp experience on your computer.

Reporting and Blocking

Reporting and blocking are essential features in WhatsApp that help users address inappropriate behavior, spam, or unwanted contacts. Here’s how to use these functions effectively:

Reporting a Contact or Message:

If you receive spam messages or want to block a contact on WhatsApp, follow these steps:

  • In the chat with the contact you want to report/block, tap their name or phone number at the top.
  • Scroll down and tap “Report contact” or “Block contact.”
  • Choose the appropriate option based on your preference. If you select “Report contact,” you’ll also have the option to block the contact.

Report Spam from Unknown Contacts

If you receive spam from an unknown contact (one not saved in your phone’s contacts):

  • Open the chat with the unknown sender.
  • Tap “Report contact” or “Block contact.”
  • Choose the appropriate option based on your preference.

Report Individual Messages

If you receive inappropriate or abusive messages, you can report them directly:

  • Open the chat with the message you want to report.
  • Tap and hold the message.
  • Tap the “Report” option that appears.

Blocking a Contact:

Block a Contact: To block a specific contact on WhatsApp, follow these steps:

  • In the chat with the contact you want to block, tap their name or phone number at the top.
  • Scroll down and tap “Block contact.”

Blocking Unknown Contacts: If you receive messages from unknown contacts and wish to block them:

  • Open the chat with the unknown sender.
  • Tap “Block contact.”

Unblocking a Contact:

If you want to unblock a previously blocked contact:

  • Go to WhatsApp Settings > Account > Privacy > Blocked Contacts.
  • Find the contact you want to unblock.
  • Tap and hold their name.
  • Tap “Unblock” from the options that appear.

Important Notes:

  • When you report a contact, WhatsApp receives the report but does not disclose your identity to the person you reported.
  • Once you block a contact, they can no longer send you messages, see your last seen information, or view your updates.

Blocking and reporting are useful tools to maintain a safer and more pleasant experience on WhatsApp. If you encounter spam, harassment, or unwanted messages, don’t hesitate to use these features to protect yourself and other users within the platform.

Handling Stolen or Lost Devices 

Losing a device or having it stolen can be a distressing experience. In case of losing your device or suspecting it has been stolen, it is essential to take immediate action to safeguard your data and privacy. Here are the steps you should take when dealing with a stolen or lost device:

Lock Your Device Remotely

If your device has a remote locking feature, use it immediately. Ensuring that your device and data are protected from unauthorized access is crucial. Many smartphones have built-in tools or apps that remotely lock your device using a web interface or another trusted device.

Track Your Device (if possible)

Some devices have built-in tracking features to help you locate your lost or stolen device. You may track the device’s location using GPS or other location services. If you have previously enabled this feature, use it to track the device’s location carefully. However, never attempt to recover the device; contact the authorities instead.

Change Passwords

If your device contains sensitive apps or accounts (such as WhatsApp), change the passwords for these accounts immediately. By taking this measure, you can prevent unauthorized access to your accounts if a thief gains access to your device.

Inform Your Mobile Carrier

If your phone is stolen, it is important to contact your mobile carrier immediately to report the theft and request the deactivation of the SIM card. This will prevent the thief from using your phone number for malicious activities.

Report to the Police

If your device is stolen, report the theft to the local police. Please provide them with all relevant information and any tracking data you have obtained. This will help them investigate the theft and potentially recover your device.

Remote Wipe (if possible)

If your device has a remote wipe feature, and you believe you won’t be able to recover it, consider initiating a remote wipe. This will erase all data on the device, ensuring your personal information is not accessible to the thief.

Notify Friends and Contacts

If your device contains sensitive information about your contacts or friends, inform them about the theft so they can be cautious of any suspicious messages or communications they may receive.

Inform WhatsApp Support

If you used WhatsApp on a stolen or lost device, contact WhatsApp support to report the incident. They can deactivate your WhatsApp account on the stolen device, preventing unauthorized access to your messages and media.

Restore from Backup

If you cannot recover your lost or stolen device and have backed up your WhatsApp chats and media, you can restore them on a new device once you get a replacement.

Remember, minimizing the potential risks to your data and privacy is crucial when dealing with a stolen or lost device. Additionally, take preventive measures like enabling remote locking and tracking features before such incidents occur.


How Secure Is WhatsApp?

WhatsApp is relatively secure due to its end-to-end encryption, but users should still exercise caution and follow privacy best practices.

Can WhatsApp Read My Messages?

No, WhatsApp cannot read your messages due to end-to-end encryption.

How Does Two-Step Verification Work?

Adding two-step verification provides an additional layer of security as it requires a PIN to re-verify your phone number.

Can I Use WhatsApp Web without a Phone?

No, WhatsApp Web requires an active connection with your phone.

How Can I Report a Phishing Attempt?

To report a phishing attempt, forward the suspicious message to [email protected] and block the sender.


WhatsApp is a powerful communication tool, but it’s essential to prioritize your privacy and security while using the platform. By understanding the privacy settings, recognizing potential threats, and taking proactive measures, you can enjoy a safe and protected messaging experience on WhatsApp. 

Awais Mahmood

Awais is passionate content writer and SEO Expert. He has experience of 3+ years in content writing, digital marketing and web optimization.
Back to top button