In recent weeks, I received quite a few e-mails about Ethernet cards, both wired and wireless, and more specifically, about Media Access Control (MAC)-address. I think the main reason why I got so many questions about Ethernet cards and MAC addresses is people trying to secure their wireless networks at home and their desire to use MAC address filtering. This type of filtering in wireless networks can be configured to allow or deny specific computers to use or join the wireless network based on MAC address.
As crime becomes more global, so the fight against crime. Gangsters, mass murderers, and terrorists cross state lines and borders effortlessly, with the latest developments in the media, public transport, telecommunications and computer networks. The police - there are 16,000 law enforcement, only the United States - not far behind.