Let me quote the article first

According to BlockBeats, on December 7, Microsoft released a security report on its official website stating that a hacker marked as DEV-0139 carried out targeted attacks on companies in the crypto industry. The report pointed out that the hacker targeted the target through the Telegram group and pretended to be a representative of a crypto investment company. After gaining initial trust, the hacker sent an Excel file containing malicious code that could remotely access the victim's system to launch the attack. -------Source BlockBeats

There are actually a lot of security tips in it. Because there are many users in the crypto market who use Telegram and join crypto communities, they may be targeted. So my suggestion is,

First of all, you must install anti-virus software. Usually, if you receive this thing, it means that someone unknown has sent you a private message, similar to some so-called files. When you open it, your computer will be remotely controlled. It is not ruled out that Telegram has been hijacked.

For safety, I have given a few suggestions

First, we focus on privacy and security

Set up two security permissions

Second, regular inspection

Are there additional login devices?

The following suggestions

  • Remember to install anti-virus software

  • Unknown documents will not be accepted or viewed.

  • Set a secure password

  • Regularly check and log in to device management