The most likely source of cyberattacks, based on a poll of global executives, information security managers, and IT leaders is: careless insider.
Cyberattacks can be defined as the way in which a person or a hacker gain unauthorized access to sensitive or confidential information or information system.
Hence, careless insider is the most likely source of cyberattacks and this can occur due to carelessness or negligent leading to cyberattacks or unauthorize access to confidential information.
Learn more about Cyberattacks here:https://brainly.com/question/7065536
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