A company's IT department noticed suspicious activity indicating that an external party might have unauthorized access to network resources. The IT staff observed unusual outbound traffic patterns, particularly large amounts of data being sent to unfamiliar IP addresses. Which type of network threat is most likely occurring in this scenario?
The correct answer is "Data exfiltration," which involves the unauthorized transfer of data from a computer or other device to an external location or party. The observed signs-large, unusual outbound traffic to unfamiliar IP addresses-typically indicate that data is being intentionally siphoned out of the network. "ARP spoofing" primarily redirects traffic within the local network and does not directly explain the large outbound data flow. "Phishing" deceives individuals into disclosing sensitive data, but it does not inherently cause sustained outbound transfers. "Rogue AP" refers to unauthorized wireless access points inside or near the environment; while it can facilitate attacks, it does not itself explain the observed bulk data transmissions to external addresses.
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