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CHAPTER 10 - Coggle Diagram
CHAPTER 10
Topic 2: Security for Client Devices
Cookies & Web bugs
small text files Web servers place on Web client
Active content
displays moving graphic, download & play audio
embedded transparently in Web pages
ADV - extends HTML functionality
DISADV - can damage client computer
graphic & plug-ins
allow for inclusion of intsruction that tell browser how to render graphic
virus, worms, & anti virus software
virus - can damage when host program is activate
worm - virus that replicates itself on the computer
antivirus - deletes or isolates the virus
digital certificate
verify the identity of the email's sender
steganography
process hiding of hiding information
physical security
major concern for larger computers that ran important business function
security for mobile
security issues related to mobile client devices
Topic 3: Security for Server Computer
Firewalls
control packet traffic moving through it
Access control & Authentication
Controlling who & what has access to the Web Server
Threats to Physical Security on Web Server
Happen when Web server & computer networked closely
Others software-based threats
Can arise from programs executed by server
Database threats
Connected to the web contain valuable & private information
Password attack threats
Can be source of a threat
Topic 1: Online Security Issues
Countermeasure
Procedure to prevent the threat
Threat
Any act or object posing danger to computer assets
Logical security
Using nonphysical means
Physical security
Tangible protection devices
Computer security
Asset protection