A group of bad guys called UNC5537 stole login info and used it to hack into the accounts of 165 Snowflake customers.
Snowflake is a company that helps businesses store and manage their data.
UNC5537 didn't use any special tricks to hack into Snowflake accounts; they just used the stolen logins.
To protect yourself from this type of attack, make sure to use strong passwords, enable multifactor authentication, and create network allow lists.