Sunday, December 23, 2012

Security: Network security


An example listing of components in an Applications environment: 

application firewall
web server
application server
middleware servers
databases
web caches
stateful firewalls
routers
switches
Domain Servers
OTP servers
RSA secureID servers
PKI /TACACS/Radius servers-HIDS/HIPS
NIDS/NIPS
Syslog and log aggregation servers
Anti-Virus servers/appliances
Load Balancers/reverse proxies


Top network level threats include:

  • Information gathering
  • Sniffing
  • Spoofing
  • Session hijacking
  • Denial of service
Top host level threats include:
  • Viruses, Trojan horses, and worms
  • Footprinting ( ping sweep, NETBIOS enumeration).
  • Profiling
  • Password cracking
  • Denial of service
  • Arbitrary code execution
  • Unauthorized access

refer for notes http://www.ixiacom.com/pdfs/library/white_papers/SecurityOverviewWhitePaper.pdf