ملخص لامن الشبكات شابتر الاول

1. Modern Network
Security Threats
‫المدرب‬:‫م‬/‫إبراهيم‬‫العديني‬
‫المتدربين‬:
‫العمودي‬ ‫رامي‬
‫الدين‬ ‫عماد‬

2. Submitted
Security curriculum emphasizes core security
technologies, the installation, troubleshooting and
monitoring of network devices to maintain integrity,
confidentiality and availability of data and devices,
and competency in the technologies that uses in its
security structure.

3. Code Red
In the earlier variant of the worm, victim hosts experienced the
following defacement on all pages requested from the server
Methods of Treatment
Restart your machine. You may need to format
Captain Crunch (John Draper)
sends large quantities of unsolicited email messages .
Must also know about various security organizations which provide
help on:
Detecting and responding to both established and emerging
information security threats.
Operating system weaknesses.

4. Three of the more well-established network security organizations are:
Computer Emergency Response Team (CERT)
SysAdmin, Audit, Network, Security (SANS) and cisco (SIO)
Polices :
There must be policies to deter intruders
We should have a strong policy of penetration difficult
Using encryption that meets the data security needs of the
organization without imposing an excessive burden on the system
resources or the users.
Using switched networks

5. Malware:
A worm installs itself using an exploit vector on a vulnerable system.
Propagation mechanism
After gaining access to devices, a worm replicates and selects new targets.
targets.
Payload .
A virus can only spread from one computer to another by:
Sending it over a network as a file or as an email payload.
Carrying it on a removable medium.

6. A pop-up programs :
A Trojan horse is a program that appears, to the user, to
perform a desirable function but, in fact, facilitates
unauthorized access to the user's computer system.
Hacker
It is a person who penetrates either destroyed or for the
money .

7. To make the protected network:
Filled firewall
Buy firewall device
Take a copy of your information
Install reliable programs
Continuously update for protection software