Peter
If your telegram app sends unsolicited texts, images, and videos to your contacts, that could be a sign that you have an intruder on your account.
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If all of a sudden you’re not able to access your Telegram account, or your Telegram app prompts you to sign in every time you want to use it.
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If Telegram often asks you to re-verify your contact details (re-enter your phone and email every single time you open your account).
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If you receive a notification that your Telegram account is being logged in from a different location and you’re sure it isn’t you.
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Check your profile and contacts to see if you have any unrecognized changes to your profile or any new contacts that you didn’t add yourself.
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If you notice that your account settings have been changed without your knowledge, such as your profile picture, username, or phone number, it could be a sign your Telegram account is hacked.
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