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Sniffing attack in context of network security, corresponds to theft or interception of data by capturing the network traffic using a packet sniffer (an application aimed at capturing network packets). When data is transmitted across networks, if the data packets are not encrypted, the data within the network packet can be read using a sniffer. [1]
Network eavesdropping, also known as eavesdropping attack, sniffing attack, or snooping attack, is a method that retrieves user information through the internet.This attack happens on electronic devices like computers and smartphones.
Attacks can be from two categories: "Passive" when a network intruder intercepts data traveling through the network, and "Active" in which an intruder initiates commands to disrupt the network's normal operation or to conduct reconnaissance and lateral movements to find and gain access to assets available via the network.
The attacks happen in all industries, but because healthcare entities are required to report them, they draw criticism for being ill-prepared and under-resourced.
UnitedHealth Group said Monday that it’s paid out more than $2 billion to help health-care providers who have been affected by the cyberattack on subsidiary Change Healthcare.
In a May announcement, the U.S. Department of Health and Human Services said healthcare providers can ask UnitedHealth to notify people impacted by the hack on their behalf.
The principal objective is to reduce the risks, including preventing or mitigating cyber-attacks. These published materials comprise tools, policies, security concepts, security safeguards, guidelines, risk management approaches, actions, training, best practices, assurance, and technologies.
The American Hospital Association (AHA) has advised health systems to disconnect from Change Healthcare and to create alternate plans in the event the attack continues for longer than expected.