Network and Security

Network and Security

1. Threats, Attack and Vulnerabilities

   • Malware
     • Malicious Software
     • Propagation machanisms
       • The way that a malware object spreads
       • Virus
         • Spread through user actions
       • Worms
         • Spread by themselfs
       • Trojan Horse
         • Pretends to be legitimate pieces of software
     • Payload
       • The malicious action that the malware performs
       • Adware
         • Generates revenue for the malware author
       • Spyware
         • Gathers data without the users knowledge or consent
       • Randomware
         • Block a users legitimate use of a computer or data until a random is paid
         • Encrypt data -> money
     • Preventing malware
       • Anti-malware software
       • Security patches
       • User education
   • Backdoor
     • When a programmer provides a means to grant themselves or other future access to a system
   • Logic Bomb
     • Executes a payload when serten conditions are met
   • Advanced Malware
     • Rootkits
       • Escalate user privileges
       • Payloads
         • Backdoors
         • Botnet agents
         • Adware/spyware
     • Polymorphism
       • Change virus files signature, so signature detection wont work
     • Armored Virues
   • Botnet
     • Network of infected machines