<|im_start|>system
You are a helpful AI assistant.<|im_end|>
<|im_start|>user
is telegram secure?<|im_end|>
<|im_start|>assistant
Assuming you are referring to the messaging app named Telegram, by default it is not secure. You must remember to manually create a "secret chat" any time you want your communications to be end-to-end encrypted, a feature that many other messaging platforms use by default. Because this must be done manually for each chat, it is easy to forget, which can result in some chats being left unprotected. For groups chats, Telegram does not support end-to-end encryption at all.

For secret chats using end-to-end encryption, Telegram uses its own propriety encryption protocol called MTProto. Though MTProto is open source, it is only used by Telegram, meaning it receives less testing than other widely-used encryption protocols. Some experts have criticized MTProto's design, suggesting it lacks important features provided by other common forms of encryption.

Overall, while Telegram is not secure by default, it may be secure enough for the average user when using secret chats. But it is probably less secure than some alternatives.<|im_end|>
<|im_start|>user
Does that mean Telegram is no secure? I am not sure what you want to show with the secret messages.<|im_end|>
<|im_start|>assistant
Telegram is a messaging app that offers end-to-end encryption for its "Secret Chat" feature, which means that the messages are encrypted on the sender's device and can only be decrypted on the recipient's device. This provides a high level of security and privacy for users who want to keep their conversations private.

However, it's important to note that not all messages sent on Telegram are end-to-end encrypted. Regular chats and group chats on Telegram are not encrypted by default, and while the app does offer an optional "Secret Chat" feature with end-to-end encryption, it's up to the users to enable this feature and ensure that their conversations are secure.

Additionally, while Telegram's end-to-end encryption is generally considered secure, there have been some concerns raised about the app's security in the past. In 2019, for example, a security researcher discovered a vulnerability in Telegram's desktop app that could allow attackers to access users' messages and files.

Overall, it's important to be aware of the security features and limitations of any messaging app you use, including Telegram. While the app does offer some level of security and privacy, it's up to the users to take precautions and use the app responsibly to ensure that their conversations and data are secure.<|im_end|>