At the time, Kaseya said that the incident affected only a very small number of on$-$premises customers. But the supply chain nature of Kaseya$$s business means that far more companies have now been caught in the aftermath of the attack.

In a new blog post, security firm Huntress said that it$$s been tracking around $30$ MSPs around the world where the Kaseya VSA was exploited to encrypt data across more than $1,000$ businesses. These numbers are up from Huntress$$ initial report on July $3$ noting that eight MSPs were impacted, affecting around $200$ businesses with encrypted files. All of the VSA servers for the compromised MSPs are located on premises. Why the attack against Kaseya impacted more than $1000$ companies