TOPIC 3.0 SECURITY TROUBLESHOOTING AND SOLUTIONS
6 STEPS FOR TROUBLESHOOTING
STEP 1 : identify the problem
STEP 6 : document your findings , actions and outcomes
STEP 3 : test your theories to determine the cause of the problem :
STEP 2 : establish a theory a probable cause
STEP 4 : establish a plan of action to resolve the problem and implement the solution
STEP 5 : verify full functionality and if, applicable ,implement preventive measures
COMMON SECURITY PROBLEM INCLUDES
1) a user receiving thousands of junk emails daily
2) a rogue wireless access point is discovered on the network
3) user flash drives are infecting computers
4) windows update fails
5) system files have been renamed
MALICIOUS SOFTWARE PROTECTION PROGRAM
- malicious software, commonly known as malware, is any software that brings harm to a computer system
- malware can be in the form of worms, viruses, trojans, spyware, adware and rootkits , etc. which steal protected data, delete documents or add software not approved by a user
PROTECT THE NETWORK INFRASTRUCTURE such as cabling, telecommunication equipment and network devices, with the following :
- secured telecommunications rooms, equipment cabinets and cages
- cable locks and security screws for hardware devices
- wireless detection for unauthorized access points
- hardware firewalls
- network management system that detects changes in wiring and patch panels
EXAMPLES OF PHYSICAL THREATS
a) natural events (eg : floods, earthquakes & tornados)
b) other environmental conditions ( eg: extreme temperatures , high humidity, heavy rains, and lightning)
c) intentional acts of destruction ( eg : theft, vandalism, & arson)
d) unintentionally destructive acts ( eg: spilled drinks, overloaded electrical outlets & bad plumbing )
6 SECURITY ACTIVITIES
(1) Don't use unnecessary interest in your critical facilities
(6) limit & monitor access to equipment areas
(3) be particularly careful with non-essential materials in a secure computer room
(2) Maximize structural protection
(4) Protect cabling, plugs,& other wise from foot traffic
(5) keep a record of your equipment