Empty grocery store shelves and grounded planes tend to signal a crisis, whether it’s an extreme weather event, public health crisis, or geopolitical emergency. But these scenes of chaos in recent weeks in the United Kingdom, United States, and Canada were caused instead by financially motivated cyberattacks—seemingly perpetrated by a collective of joyriding teens.A notorious cybercriminal group often called Scattered Spider is known for using social engineering techniques to infiltrate target c...