Firewalls

The advent of 2014 has not halted the threat of data security. Just happened to pay the treasure inside Ghost events show that this is a war that is impossible to stop, and the latest US National Security Agency (NSA) quantum computer, which can decipher any cipher and encryption algorithm in the world, means that the security challenges we face are increasingly diverse. At the dawn of the New Year, Kindervag, the lead analyst at Forrester, has predicted for us what cyber-security professionals will face in the 2014 ...

The basic function of ARP protocol is to inquire the MAC address of target device through the IP address of target device to ensure the communication. Based on the ARP protocol of this work characteristics, hackers to the other computer to send a fraudulent nature of the ARP packet, the packet contains a duplicate of the current device MAC address, so that the other in response to the message, due to a simple address repeat error caused by the normal network communication. In general, the ARP attack on the computer will appear two phenomena: 1. Constantly eject "xxx section of this machine hardware address and network XX ...

The previous article explained the hook program attack and defense combat, and realized a set of frame page monitoring scheme, the protection of all child pages. So far, the depth of our protection has been similar, but the breadth is still deficient. For example, our property hooks only consider setattribute, but ignore similar setattributenode. Although this method has never been used, it does not mean that people cannot use it. For example, creating an element is usually createelement, and in fact Createelementns is also possible. Even ...