An engineer received multiple reports from users trying to access a company website and instead of landing on the website, they are redirected to a malicious website that asks them to fill in…

ARP poisoning operates at Layer 2 by mapping the attacker's MAC address to a legitimate IP within the same broadcast domain, affecting local LAN traffic routing rather than domain name resolution.

Session hijacking steals or forges an authenticated session token after a user has already logged in successfully, and does not redirect unauthenticated users to a different domain.

A teardrop attack is a denial-of-service technique that sends malformed overlapping IP fragments to crash the target system's TCP/IP stack, and has no mechanism for redirecting web traffic.

DNS cache poisoning injects forged DNS resource records into a resolver's cache, so any user querying that resolver receives the attacker's IP address instead of the legitimate one. When victims attempt to reach the company website, they are silently redirected to the malicious site - which then harvests sensitive personal data through a phishing form, precisely as described in the scenario.