2) Outbound Network Traffic - ANSWER * Monitor Outbound
network detection
* Majority of problems are outbound
3) Defense in depth - ANSWER * Diversify to keep the
vulnerabilities at a minimum
4) Risk (Formula) - ANSWER Threat x Vulnerability (to that threat)
5) Three TOP 20 Lists (Outbound Traffic)
- ANSWER 1) Number Connections
2) Length of Connections
,3) Amount of Data
------------------------
(High false positives, but increase the accuracy of Vulnerabilities)
4a) Percent of Encrypted Traffic
4b) Destination IP Address
6) Risk Analysis Questions - ANSWER * Before a company spends a
dollar of it's money or a minute of its time; answer the 3 questions
-------------
1) What is the *Risk*
2) Is it the *Highest Priority* risk
3) *Cost Effective* way of reducing the risk
7) Top 5 List of Threats - ANSWER Critical Data and Process that
support it
Likely Threats
Most likely Vulnerabilities
8) Questions for CEOs - ANSWER What are the things that worry
you most?
9) What could cause you to be removed from the board?
What keeps you up at night?
,Reduce Risk - ANSWER To reduce risk lets reduce Vulnerabilities
Confidentiality vs Disclosure - ANSWER Only shared among
authorized persons or organisations
Integrity vs Alteration - ANSWER Authentic an complete.
Sufficient and Accurate
Trustworthy and reliable
Availability vs Destruction - ANSWER Accessible when needed by
those who need it
Network Visibility Tree - ANSWER * Breakdown by IP Address and
Port
ex 10.0.0.X
/\
10.0.0.3 10.0.0.10
/|\/|\
, 23 110 5150 43 210 443
* Identify unnecessary use of ports
4 approaches to Defense In Depth - ANSWER 1) Uniform
Protection
2) Protected Enclaves
3) Information Centric
4) Threat Vector Analysis
Uniform Protection - ANSWER 1) Most common approach to DiD
2) Firewall, VPN, Intrusion, Detection, Antivirus, Patching
3) All parts of the organization receive equal protection
4) Treats all the systems the same
Protected Enclaves - ANSWER 1) Work groups that require
additional protection are segmented from the rest of the internal
organization
2) Restricting access to critical segments
3) Internal Firewalls
4) VLANs and ACLs
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