FBLA Cyber Security – Flashcards
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Packet Filtering or Packet Purity
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analyzed against a set of filters. That make it though the filters are sent to the requesting system and others are discarded
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Proxy
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Firewalls in this case assume the role of a recipient and in turn sends it to the node that requested the information
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Stateful Inspection
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Compares certain key parts of the packet to a database of trusted information
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IP Addresses
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Blocks certain IP addresses or a range of IP addresses
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Protocols
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Decided which of the systems can allow or have access
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Ports
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Blocking or disabling ports of severs that are connected. Maintain the kind of data flow you want to see and close down possible entry points for hackers.
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Keywords
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will block any website that has to deal with certain predetermined keywords
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IP
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Internet Protocol. The main delivery system for information over the Internet
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TCP
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a protocol developed for the internet to get data from one network device to another
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HTTP
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Hyper Text Transfer Protocol
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FTP
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Files Transfer Protocol. Used to upload or download files
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UDP
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User Datagram Protocol. Used for information that requires no response. For example streaming audio or video
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ICMP
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Internet Control Message Protocol. Used by a router to exchange information with other routers
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SMTP
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Simple Mail Transport Protocol. Used to send text based information, email
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SNMP
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Simple Network Management Protocol. Used to collect system information from a remote computer
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Telnet
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used to preform commands on a remote computers
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Remote Login
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When someone connects to a computer via the Internet.
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Application backdoor
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Hidden access that provides some level of control of the program
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SMTP Session Hijacking
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by gaining access to a list of e mail addresses a person can send spam to thousands of users
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Operating System Bugs
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operating systems backdoors.
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E-mail bombs
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Large quantity of bulk e-mail that overwhelms an e-mail server preventing user access.
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Macros
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tools that allow a user to program repetitive tasks into the computer;s memory so that they can be quickly accomplished with the touch of a couple of keys that the user has selected
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spam
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unwanted e-mail (usually of a commercial nature sent out in bulk)
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Redirect bombs
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Hackers can use ICMP to change the path information take by sending it a different router.
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Source Routing
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Technique in which the originator of a packet can attempt to partially or completely control the path through the network to the destination.
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Proxy Server
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a server that all computers on the local network have to go through before accessing information on the Internet.
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Trojan Horses
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A program advertised as performing one activity but actually doing something else.
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Worms
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infectious malware spreading without user interaction
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Malware
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Software that is harmful or destructive, such as viruses and worms.
