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Both privacy and security for our communications are the most important priorities for all WhatsApp users globally.
This is because there is always a risk of falling victim to a cyberattack, which puts the personal information we store on our smartphones, tablets, and the PCs we use to **communicate via WhatsApp at risk.**
WhatsApp Security
**One of the WhatsApp security features** available to us as users of this instant messaging system is end-to-end encryption, which guarantees privacy and security when sending messages, making voice calls, or making video calls on WhatsApp.
With **end-to-end encryption**, third parties are prevented from intercepting communication between two people or within a group they are not part of. Furthermore, **the sender's message is encrypted before it leaves the device**, so only the sender can decode the message.
**Is it safe to chat on WhatsApp?**
**Chatting on WhatsApp is safe** because the network uses the Signal encryption protocol.
This protocol combines various cryptographic techniques, one of which is public-key encryption, where each user has two randomly generated keys: one kept private and the other distributed publicly.
What is the goal of this protocol? For the sender to use the recipient's public key to encrypt messages, and for the recipient to use their private key (generated by their device) to decrypt the received message. **Since this key is not publicly accessible, WhatsApp cannot access it.**
This is a cryptographic technique that has been used for decades to protect everything from email attachments to cryptocurrency wallets.
Currently, the Signal protocol used by WhatsApp is seen as the gold standard for encryption in instant messaging apps.
What is a WhatsApp backup?
A WhatsApp backup contains the exact content of your conversations, saving texts as well as the videos, photos, and files that have been shared.
This allows you to access your saved information if you reset your mobile phone or buy a new one, reducing the risk of data loss in these situations, as you will be able to restore your conversations exactly as they were at the time of the backup.
The importance of a backup is that it allows you to save the content accumulated in your conversations in time, preventing you from losing them under any circumstances.
WhatsApp offers several options, so backups can be set to run automatically on a daily, weekly, or monthly basis.
What does it mean when the security code changes on WhatsApp?
This means that **all of your conversations are end-to-end encrypted**, so only the sender and recipient can see what is sent in the conversation—whether it is text, audio, images, or files—to the point that not even the app's administrators have access to the content of the communication.
In this way, messages are secured, and only the participants in the conversation can view them, to the point that the security code (provided as a 60-digit QR code) changes daily so that no one can hack the account and access the conversations.
How can I protect my WhatsApp app?
Yes, there are several ways to protect the WhatsApp app, and we will explain a few alternatives below.
**Enable two-step verification**
This feature helps increase the security level of your WhatsApp account by requiring a six-digit PIN, in addition to the standard phone verification.
Recovering your PIN
If you have forgotten your WhatsApp PIN, go to two-step verification, click the "Forgot PIN?" link, and select "Disable two-step verification." You will receive an email with a link to reset your access to WhatsApp.
Protect your mobile phone
The more secure your mobile phone is, the better protected your WhatsApp account will be. You can use a PIN, fingerprint, facial recognition, iris scanning, or unlock patterns to secure your screen.
Ultimately, it is **safe to chat on WhatsApp** because conversations are end-to-end encrypted, and you can also create backups to protect your chat history and avoid losing important data.
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