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The MAC address that is hard-coded on a network interface controller (NIC) cannot be changed. However, many drivers allow the MAC address to be changed. Additionally, there are tools which can make an operating system believe that the NIC has the MAC address of a user's choosing. The process of masking a MAC address is known as MAC spoofing.
The Individual Address Block (IAB) is an inactive registry which has been replaced by the MA-S (MAC address block, small), previously named OUI-36, and has no overlaps in addresses with the IAB [6] registry product as of January 1, 2014. The IAB uses an OUI from the MA-L (MAC address block, large) registry, previously called the OUI registry.
A compromised (hacked) account means someone else accessed your account by obtaining your password. Spoofed email occurs when the "From" field of a message is altered to show your address, which doesn't necessarily mean someone else accessed your account. You can identify whether your account is hacked or spoofed with the help of your Sent folder.
However, if you get a call from a phone number or area code you don’t know, it’s likely best to avoid picking up the call and research the following before you call back:
A successful ARP spoofing (poisoning) attack allows an attacker to alter routing on a network, effectively allowing for a man-in-the-middle attack.. In computer networking, ARP spoofing (also ARP cache poisoning or ARP poison routing) is a technique by which an attacker sends Address Resolution Protocol (ARP) messages onto a local area network.
While most junk email can seem like a minor annoyance, certain types of email can cause problems for not only you but other people you email. Sometimes these emails can contain dangerous viruses or malware that can infect your computer by downloading attached software, screensavers, photos, or offers for free products.
Voice phishing, or vishing, [1] is the use of telephony (often Voice over IP telephony) to conduct phishing attacks.. Landline telephone services have traditionally been trustworthy; terminated in physical locations known to the telephone company, and associated with a bill-payer.
Spam still flows through open relays, but the volume is much smaller than in 2001-02. While most spam originates in the U.S., [16] spammers hop through open relays across political boundaries to mask their origin. Honeypot operators may use intercepted relay tests to recognize and thwart attempts to relay spam through their honeypots.