While the impact of this incident will only become clear with more time, sufficient information now exists to analyze precisely how this event took place, and how network defenders can prepare for future, similar incidents should they occur. Continuous updates from security firm Huntress as well as Kaseya itself indicated dozens of VSA customers (MSPs) were impacted, leading to follow-on impacts at more than one thousand entities linked to the impacted MSPs.Īffected entities ranged from a Swedish grocery chain that shuttered hundreds of locations due to the incident, to several school systems in New Zealand.