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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.
This attack primarily centers on the largest 6,000 hospitals on a global basis. Healthcare data has the highest value of any stolen identity data, and given the weakness in the security infrastructure within the hospitals, this creates an accessible and highly valuable target for cyber thieves.
Information made vulnerable in the UnitedHealth attack is believed to include health insurance member IDs, patient diagnoses, treatment information and social security numbers, as well as billing ...
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.
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.
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 Anthem medical data breach was a medical data breach of information held by Elevance Health, known at that time as Anthem Inc. . On February 4, 2015, Anthem, Inc. disclosed that criminal hackers had broken into its servers and had potentially stolen over 37.5 million records that contain personally identifiable information from its servers. [1]