Prevention of Cyber Attacks





Prevention of Cyber Attacks

The “Holy Grail” of Network access for Cyber Criminals has been Discovered by Chloe Green details the attacks that occurred on Cisco routers. The attackers gained access on the enterprise grade routers and took control of them thereby enabling them to monitor the communication flow. By so doing, they were able to infect many other devices connected by the same network. Cisco was able to detect the vulnerability upon rebooting the system since the infected modules lacked the persistence. The use of intrusion detection system could have been used to detect this vulnerability since the application has the capability to monitor traffic within the network. The software would have conducted an analysis of the traffic flow to the subnets and then compared it with a tabulated list of known attacks. Upon discovery of any unusual behavior, the sensors would have automatically notified the administrator of the presence of malware in the system for further action. Blocking a particular type of packet or packets from a specific IP address or set of IP addresses could have prevented this attack as well. Secure MAC addresses would have been installed in a specific port and packets directed to flow in that direction. In case of the presence of an unwanted packet flow, the secure port would have restricted their flow due to the violation. In fact, the system would be configured to withstand a certain number of certified addresses hence as the traffic flows, a tabulation continues concurrently. Having attained the maximum number of addresses for that particular system, the port would then have flagged the excess addresses due to the breach in protocol. Such a mechanism could have helped Cisco to identify the unwanted malware within its network and initiated corrective measures to prevent a widespread attack like the one it experienced.

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