Russian Telegram Accounts Hacked by Intercepting One Time Password (OTP)

Russian Telegram Accounts Hacked by Intercepting One Time Password (OTP)
According to a firm Group-IB, in the last few weeks a dozen Russian entrepreneurs saw their Telegram accounts hacked. And what's disturbing is the way these accounts were accessed. The attackers intercepted the codes used to authenticate user and give access.
A Telegram App logo in QR code
 How the attackers gained access?

In normal procedure, whenever someone logs into Telegram using a different device, a one-time password (OTP), is texted to them and the user can log into their account using this secret code. Now, these hackers managed to access this one-time secret code and snooped on Telegram chats of various users.

Dmitry Rodin, one of the victims of this attack, runs a coding school in Russia. He told the media, he was given a warning by telegram, that someone is trying to access his account. He ignored the notification but another notification came saying some has successfully logged in from Samara, Russia, he immediately terminated all active sessions except for his.

Like Group-IB, he also believes that there was a problem with the telecom operators or his phone was hacked and not the messaging app Telegram. “Perhaps someone logged into my account by intercepting the SMS, which suggests that there might be a problem on the side of the telecom operator,” he said. “This means that other accounts using SMS as an authentication factor are also threatened.” 13 such cases have been reported so far.

"However, this number is likely to increase since we are speaking about a new threat, which has just started spreading,” a company spokesperson said.

 Is SS7 being abused?

The most worrying part is that One- ..

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