Security
Can a network be secure in today’s changing world? Why do we need network security? Does the network security process ever stop? These are the big three questions asked by corporate executives all the time. Companies want to feel safe and secure that their files are safe. With all the computer attacks in the news these days, it makes companies wonder if they will be the next targets. Network intrusion can spell disaster for many companies. There are many things we can do to protect our networks. A good security plan outlining basic security measures is needed for quick response and disaster recovery. Auditing, tracking and monitoring a network can show leaks and intrusions. Firewalls and other software and hardware appliances can help deter network intruders. Making use of the different types of encryption can reduce your exposure to invaders. There are many ways that hackers can get into a network. Network security is vital to protect financial data, inventory, customer information, research, and last but not least network privacy. Network security never stops; it is an ongoing task to protect our data from prying eyes. Keeping a network secure is a time-consum
Other attacks can include denial of service attacks, Synchronization packet (SYN) flooding, and the ping attack. Denial of service attacks focus on just that, denying service of the network to users requesting them. The attack purpose is to cripple routers, servers, or other computers by consuming resources at a pace that makes them unavailable to the ordinary users. SYN flooding is accomplished by sending only the first packet of a string to the receiving computer, the synchronization bit to initiate communication between computers, this causes the computer to set aside an amount of memory area to handle the incoming transmission. During SYN flooding attacks, packets are sent at a rate that causes the receiving computer to use all the memory available awaiting communication that never comes. These attacks try to effectively shut down the network. A ping command is used to check a connection between two computer Internet protocol (IP) addresses. This same command can be used to attack a network by sending larger than acceptable packets with the ping. This attack can cause buffer overruns in which excess data flows over the buffer overwriting information and programs in other memory locations. 9. Stay tuned in. Make sure someone keeps track of new developments in information security, including new vulnerabilities and attacks. The term "hack" was originally used to describe an elegant or clever programming trick that made computers do what they were not supposed to do. The people that performed these deceiving tricks were given the name "hackers". Hackers started out in the early 1970s with simple, harmless hacks that usually did not do any damage to a company computer system. Hacking was a prestigious skill, and they wanted to be noticed. These hackers only wanted to learn more about the systems and how they worked. They would usually do minute things such as displaying a message on a company administrator’ computer saying, "Ha, Ha, Ha. I just broke into your system!" (Alberts 99-101) 2. Get the CEO involved. Good security has to start from the top, with executives who help create a corporate culture that values security. 8. Remember internal threats. Most attempted hacks come from the outside, but most successful ones start with people who have inside knowledge. First and foremost, have a process in place to delete users accounts when employees quit or are let go. Physical security is preventing unauthorized access to the physical components that make a network what it is. These components can be, but are not limited to, servers, user workstations, fax stations, network cable areas and devices. Physical network security can only be controlled while within the network site. A very good security device and deterrent is a door. Lock doors accessing servers, routers, hubs, and other network equipment. A locked door poses as a deterrent to prying eyes. Network interface devices such as hubs, switches, and routers should never be in the open. Backup media should be handled with the same precautions as it has the same information as the server just a few days older. All backup media should be destroyed when not usable anymore.
Some topics in this essay:
Securing Network,
Mcaffee Inc,
Internet Software,
Standard DES,
UPS UPS,
Ogletree IPSec,
Ha Ha,
ABC’s Physical,
VPN VPNs,
Pacific Bank,
network security,
security policy,
prying eyes,
physical security,
syn flooding,
network security stops,
des symmetrical,
encrypt message,
public key,
internal threats,
symmetrical encryption,
denial service attacks,
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Approximate Word count = 2373
Approximate Pages = 9 (250 words per page double spaced)
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