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A major security flaw was revealed in December 2011 that affects wireless routers with the WPS PIN feature, which most recent models have enabled by default. The flaw allows a remote attacker to recover the WPS PIN in a few hours with a brute-force attack and, with the WPS PIN, the network's WPA/WPA2 pre-shared key (PSK). [3]
Wireless security is another aspect of computer security. Organizations may be particularly vulnerable to security breaches [6] caused by rogue access points.. If an employee adds a wireless interface to an unsecured port of a system, they may create a breach in network security that would allow access to confidential materials.
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.
Transport Layer Security (TLS) is a cryptographic protocol designed to provide communications security over a computer network, such as the Internet.The protocol is widely used in applications such as email, instant messaging, and voice over IP, but its use in securing HTTPS remains the most publicly visible.
Windows Server Update Services over HTTP, when using the default role installation settings in Windows Server 2012 and later versions. [351] [352] 8531: Unofficial: Windows Server Update Services over HTTPS, when using the default role installation settings in Windows Server 2012 and later versions. [351] [352] 8555: Unofficial: Symantec DLP ...
TCP/IP defines the addresses 192.168.4.0 (network ID address) and 192.168.4.255 (broadcast IP address). The office's hosts send packets to addresses within this range directly, by resolving the destination IP address into a MAC address with the Address Resolution Protocol (ARP) sequence and then encapsulates the IP packet into a MAC frame ...
A DHCP client may also request an IP address in the DHCPDISCOVER, which the server may take into account when selecting an address to offer. For example, if HTYPE is set to 1, to specify that the medium used is Ethernet , HLEN is set to 6 because an Ethernet address (MAC address) is 6 octets long.
It often involves pretending to be a trusted entity and creating a sense of urgency, [47] like threatening to close or seize a victim's bank or insurance account. [48] An alternative technique to impersonation-based phishing is the use of fake news articles to trick victims into clicking on a malicious link.