CCNA 3 - Capitulo 3.2

CCNA 3 - Capitulo 3.2

1. NETWORK SECURITY CONCEPTS

   • MALWARES
     • VIRUS
       • TYPES OF VIRUSES
         • BOOT SECTOR VIRUS
           • FILE PARTITION TABLE OR FILE SYSTEM
         • FIRMWARE VIRUS
           • DEVICE FIRMWARE
         • MACRO VIRUS
           • MS OFFICE
         • PROGRAM VIRUS
           • ITSELF
             • ANOTHER EXECUTABLE PROGRAM
         • SCRIPTS VIRUS
           • OS INTERPRETER
       • VIRUSES CAN
         • ALTER , CORRUPT , DELETE FILES , ERASE ENTIRE DRIVER
         • BOOTING ISSUES AND CORRUPT APPLICATIONS
         • LAY DORMANT UNTIL SOMMONED BY THREAT ACTOR
         • CAPTURE AND SEND SENSITVE INFORMATION TO THREAT ACTORS
       • CHARACTERISTICS
         • REQUIRE HUMAN ACTION
           • TO PROPAGATE
         • ATTACHING ITSELF
           • COMPUTER CODE ; SOFTWARE ; DOCUMENTS
         • LAY DORMANT
     • ADWARE
       • ADVERTISING
         • POP UP UNSOLICITED DISPLAY
     • RANSOWARE
       • ENCRYPTING THE FILES
         • DESCRYPT ? PAYMENT USING CRYPTO SUCH AS BITCOIN
     • ROOTKIT
       • TO GAIN ADMINISTRATOR
         • ACCOUNT LEVEL ACCESS
       • BACKDOOR
         • DIFFICULT DETECT
           • THEYCAN ALTER FIREWALL , ANTIVIRUS , SYSTEM FILES
     • SPYWARE
       • COLLETING , GATHER INFORMATION DATA
     • WORM
       • SELF REPLICATING
         • WITHOUT
           • USER ACTIONS
       • THE INTENT
         • SLOW OR DISRUPT
     • END DEVICES ARE PRONE TO MALWARE ATTACKS
     • MALWARES
       • TROJAN HORSE
         • LOOKS USERFUL BUT CARRIES MALICIOUS CODE
         • TYPES
           • DATA SENDING
             • PASSWORD
           • DESTRUCTIVE
             • CORRUPTS OR DELETES FILES
           • PROXY
             • SOURCE DEVICE VICTIMs LAUNCH ATTACK
           • FTP
             • FILE TRANSFER SERVICES ON END DEVICES
           • DOS
             • SLOW NETWORK
           • REMOTE ACCESS
             • UNAUTHORIZED REMOTE ACCESS
             • ENABLE ACCESS REMOTE
           • SECURITY SOFTWARE DISABLER
             • STOP ANTIVIRUS OR FIREWALL
           • KEYLOGGER
             • STEAL CONDIDENTIAL INFORMATION SUCH
               • CREDIT CARD NUMBERS