CompTIA Security+ Certification

Instructors

Course Outline

CompTIA Security+ 2009 Course Outline

Domain 1 - Systems Security
Systems Security
Security+ Exam
Security+ Placement
Security+ and DoD 8570 Mandate
System Security
Privilege Escalation
Agenda 11
Virus
Boot Sector Invasion
Few Other Types
Types of Viruses
How Do They Work?
More Malware
Trojans (1)
Blended Malware
A Back Orifice Attack!
NetBus
Hoaxes
Agenda 12
Malware Protection Types
Signature Scanning
Monitoring Activities
Monitoring for Changes
More Bad Stuff
Attack Characteristics
Disclosing Data in an Unauthorized Manner
Covert Storage Channel
Covert Timing Channel
Circumventing Access Controls
Attacks
TOC/TOU Examples
Attack Type - Race Condition
Attacking Through Applications
How Buffers and Stacks Are Supposed to Work
How a Buffer Overflow Works
Watching Network Traffic
Traffic Analysis
Functionally Two Different Types Of Rootkits
Examples of Trojaned Files
Exploitation
Trojans (2)
Types of Trojan
Back Orifice 2000
Sub7
Ports Used by Popular Trojans
Defenses to Trojan
Backdoor
How “Netcat” Works As A Backdoor
Netcat
VNC - Virtual Network Computing
Backdoor Defenses
Rootkit
Popular Rootkits
Unix Rootkit Prevention
Windows Rootkit Prevention
Botnet
Show Me the Money!
Botnet (2)
Another Common Attack
Identity Theft
Fake Login Tools
How Do These Attacks Work?
Attempts to Get Your Credentials
How Do These Work?
Instructional Emails
Knowing What You Are Disposing of Is Important
Other Examples
Another Danger to Be Aware of… Spyware
Is Someone Watching You?
What Does This Have to Do with My Computer?
Sometimes You Know that Software Is Installing on Your System
New Spyware Is Being Identified Every Week
Spyware Comes in Many Different Forms
How to Prevent Spyware
Application Security
Provide the Hackers with Tools
Common Web Server Flaws
Improper Data Validation
Uniform Resource Locator (URL)
Directory Traversal
Buffer Overflow
Cross-Site Scripting Attack
Common SQL Injection Attack
Attacking Mis-configurations
CGI Information
Logging Activities
Are ALL Patches Applied?
Instant Messaging
IM Threats
IM Countermeasures
IM Secure Infrastructure
Browser
P2P
P2P Security
P2P Networks - Common Attacks
Hardware Security
BIOS
BIOS Protection
Removable Media
Magnetic Media
Optical Media
Electronic Media
Memory Cards
Memory Card Characteristics
USB Devices
Data Leakage Prevention
NAS
Security Templates
Configuration Baselines
Security Best Practices - Summary
Security Applications
Host-Based Intrusion Detection System (HIDS)
HIDS
Personal Firewall
Personal Firewall Features
Antivirus
Anti-spam
Popup Blockers
Security Suite
Security Suite Components
Popular Security Suites
Virtualization Technology
Virtual Machine
VMWare
Application Virtualization
Approaches To Application Virtualization
Domain 1 Review

Domain 2 - Network Infrastructure
Network Infrastructure
Agenda 1
OSI Model
OSI Layers
Networking Communications
An Older Model
Data Encapsulation
Application Layer
OSI - Application Layer
Presentation Layer
OSI - Presentation Layer
OSI - Session Layer
Client/Server Model
Client/Server Session Layer
Transport Layer
Transport Layer Analogy
Transport Protocols
OSI - Network Layer
Here to There
Network Layer
OSI - Data Link
Data Link
Sublayers
OSI - Physical Layer
Physical Layer
Layers Working Together
Protocols at Each Layer
Devices Work at Different Layers
Types of Networks
Network Topologies - Physical Layer
Topology Type - Bus
Topology Type - Ring
Topology Type - Star
Network Topologies - Mesh
Mesh Topologies
Summary of Topologies
Agenda 2
LAN Media Access Technologies
Media Access
One Goal of Media Access Technologies
Collision Domain
Back Off, Buddy
Carrier Sense Multiple Access
CSMA/Collision Avoidance (CSMA/CA)
Media Access Technologies - Ethernet
Media Access Technologies - Token Passing
Token's Role
Other Technologies
Media Access Technologies - Polling
Agenda 3
Cabling Types - Coaxial
Coaxial
Cabling Types - Twisted Pair
Cable Types
Types of Cabling - Fiber
Multimode vs. Single Mode
Signal and Cable Issues
Signaling Issues
Transmission Types - Analog and Digital
Transmission Types - Synchronous
Asynchronous
Transmission Types - Baseband
Transmission Types - Broadband
Cabling Issues - Plenum-Rated
Transmission Types - Number of Receivers
Internet Group Management Protocol
Multicasting
Network Technologies
Extranet
Network Technologies (Cont.)
EDI Evolution
Networking Devices
Network Device - Repeater
Network Device - Hub
Networking Device - Bridge
Forwarding Table Example
Network Devices - Switch
Virtual LAN
VLAN
Interfaces and VLANs
Sniffers
Networking Devices - Router
Hops
Routers
Bridges Compared to Routers
Network Devices - Gateway
Agenda 4
Port and Protocol Relationship
Client Ports
Conceptual Use of Ports
TCP/IP Suite
UDP versus TCP
TCP Segment
SYN Flood
Teardrop Attack
Source Routing
Source Routing Types
IP Address Ranges
IPv6
Protocols
Protocols - ARP
IP to MAC Mapping
How ARP Works
ARP Poisoning
ICMP Packets
A Way Hackers Use ICMP
Ping Steps
Protocols - SNMP
SNMP in Action
SNMP
SNMP Output
POP3 and SMTP
Protocols - SMTP
Mail Relay
Protocols - FTP, TFTP, Telnet
Protocols - RARP and BootP
DHCP - Dynamic Host Configuration Protocol
Agenda 5
Networking Device - Bastion Host
Network Configurations
DMZ Configurations
Firewall Comparisons
Network Devices - Firewalls
Firewall Types - Packet Filtering
Packet Filtering Firewall
Packet Filtering Firewall Weaknesses
Packet Filtering
Rule Set Example
Firewall Types - Proxy Firewalls
Firewall Types - Circuit-Level Proxy Firewall
Circuit-Level Proxy
Firewall Types - Application-Layer Proxy
Application-Layer Proxy Advantages
Application-Layer Proxy Disadvantages
Dedicated Proxy Servers
Firewall Types - Stateful
State Table
Compare
Firewall Types - Kernel Proxies
Firewall based VPN Devices
Best Practices
Firewall Placement
Packet Filtering (Cont.)
Screened Host
Firewall Architecture Types - Multi- or Dual-Homed
Screened Subnet
Agenda 6
Dial-Up Protocols and Authentication Protocols
Dial-Up Protocol - SLIP
Dial-Up Protocol - PPP
PPP
PPP versus SLIP
Authentication Protocols - PAP
Authentication Protocols - CHAP
Authentication Protocol - EAP
Data Inspection
Virtual Private Network Technologies
What Is a Tunneling Protocol?
Analogy
Examples
Tunneling Protocols - PPTP
Tunneling Protocols - L2TP
L2TP Encapsulation
Tunneling Protocols - IPSec
IPSec Basic Features
IPSec Transport Mode
IPSec Tunnel Mode
Security Associations (SAs)
Combining Sas
Iterated Tunnelling
Agenda 7
SDLC and HDLC
Layer 3 at Layer 2
MPLS
Multiprotocol Label Switching
Quality of Service (QoS)
QoS Services
Autonomous Systems
Routing Protocols
Routing
Routing Protocols (Cont.)
OSPF
OSPF Packet Values
IGRP
BGP
Routing Protocol Attacks
Metropolitan Area Network Technologies
MAN Technologies - FDDI
FDDI
SONET Rings
MAN Technologies - SONET
Connecting Networks
Network Services
Network Service - DNS
DNS Server Structure
Name Resolving Steps
Split DNS
Host Name Resolution Attacks
Network Service - NAT
Types of NAT
PAT
NIS
Storing Data
NIS+ Authentication
Agenda 8
WAN Technologies Are Circuit or Packet Switched
PSTN
Connecting to the PSTN
Circuit Switching
Steps of Connections
Multiplexing
Types of Multiplexing
TDM Process
Statistical Time Division Multiplexing
FDM
FDM Process
Packet Switching
Circuit versus Packet Switching
WAN Technologies - Packet Switched
WAN Technologies - X.25
X.25
WAN Technologies - Frame Relay
WAN Example
Frame Relay
PVC and SVC
WAN Technologies - ATM
Cell Switching
Wide Area Network Technologies
Dedicated Lines
WAN Technologies - ISDN
On-Demand
ISDN Service Types
WAN Technologies - DSL
DSL
ADSL
SDSL
WAN Technologies - Cable Modem
Cable Modems
Cable Network
Satellites
Hybrid Connection
Satellite Coverage
Satellite Supplying Different Subscribers
Network Perimeter Security
Complexity only Increases
A Layered Approach
Agenda 9
Traditional Voice Network
PSTN (Cont.)
Private Branch Exchange
PBX Vulnerabilities
PBX Best Practices
IP Telephony
Voice Over IP
Combination of Old and New
IP Telephony Components
Media Gateways
PBX and VoIP
Voice over…
IP Telephony Issues
Telephony Protection Mechanisms
Telephony Security
IP Telephony with Wireless
IP Phones Security
Mobile Technology Generations
Mobile Phone Security
Mobile Device Security
Cell Phone
Agenda 10
Wireless Technologies - Access Point
Wireless Frequencies
Alphabet Soup of Standards
Spread Spectrum
OFDM
Where does Spread Spectrum Work?
802.11n
Wireless Technologies - Access Point (Cont.)
Architectures
Wireless Technologies - Service Set ID
Authenticating to an AP
802.11 Authentication
Wireless Technologies - WEP
WEP Problems
Wireless Technologies - More WEP Woes
Lack of Integrity
WEP Security Issues
Frequency Management
802.11 Security Solutions
802.1x
802.1x Authentication
Types of 802.11 Security
IEEE 802.11i Standard
Wireless EAP
Wireless Technologies - Common Attacks
Wireless Technologies - War Driving
NetStumbler Example
Wireless Reconnaissance Output
Warchalking
Countermeasures
Wireless Attacks
Wormhole Attack
Wireless Technologies - WAP
Wireless Technologies - WTLS
i-mode
Bluetooth
Vampire Tap
Tapping
Fiber Tapping
Tapping (Cont.)
Domain Name Kiting
Null Session
Sniffers (Cont.)
Packet Sniffer
Packet Sniffer - Uses
Spoofing Attacks
E-mail Spoofing
Header Data
Spoofing - Instructional E-mails
Email Spoofing - Common Messages
Countermeasures (Cont.)
Authentication and Encryption
IP Spoofing
Header Components
Man-in-the-Middle
Man-in-the-Middle Attack
Replay Attack
Countermeasures (Cont..)
Session Hijacking
Attack Steps
Programs For Session Hijacking
TCP/IP Hijacking
Sequence Numbers
Finding TCP Sequence Numbers
SYN, SYN/ACK, ACK and ISN
Denial of Service
Reasons for DoS Attacks
TCP Handshake
SYN Flood (Cont.)
TCP
SYN Attacks Defense
UDP Floods
DDoS
DDoS - Example
DDoS Countermeasures
Network Configurations (Cont.)
Subnetting
Subnetting - Reasons
Network Access Control (NAC)
NAC - Features & Benefits
NAC Architecture
Honeypot
Honeypot - Types
Honeypot (2)
Honeynet
Generation I Honeynet
Generation II Honeynet
Generation III Honeynet
Internet Content Filters
Bluesnarfing
Domain 2 Review

Domain 3 - Access Control
Access Control
Definitions
Access Control Mechanism Examples
Technical Controls
Administrative Controls
Access Control Characteristics
Preventive Controls
Preventive - Administrative Controls
Preventive - Physical Controls
Preventive - Technical Controls
Control Combinations
Detective - Administrative Control
Detective Examples
Administrating Access Control
OS, Application, Database
Administrating Access Control
Authorization Creep
Accountability and Access Control
Trusted Path
Fake Login Pages Look Convincing
Who Are You?
Identification Issues
Authentication Mechanisms Characteristics
Strong Authentication
Fraud Controls
Internal Control Tool: Separation of Duties
Authentication Mechanisms in Use Today
Biometrics Technology
Biometric Devices
Example
Verification Steps
What a Person Is
Why Use Biometrics?
Biometric Type
Identification or Authentication?
Iris Sampling
Iris
Finger Scan
Hand Geometry
Facial Recognition
Comparison
Biometrics Verification
Issues
Downfalls to Biometric Use
Biometrics Error Types
Crossover Error Rate
Biometric System Types
Passwords
Password Generators
Password “Shoulds”
Support Issues
Password Attacks
Attack Steps
Many Tools to Break Your Password
Rainbow Table
Passwords Should NOT Contain…
What's Left?
Countermeasures for Password Cracking
Cognitive Passwords
One-Time Password Authentication
Synchronous Token
One Type of Solution
Synchronous Steps
Administrator Configures
Challenge Response Authentication
Asynchronous Token Device
Asynchronous Steps
Challenge Response Authentication
Cryptographic Keys
Passphrase Authentication
Key Protection
Memory Cards
Memory Card Characteristics
Smart Card
Characteristics
Card Types
Smart Card Attacks
Software Attack
Side Channel Attack
Side Channel Data Collection
Microprobing
Identity Management
How Are These Entities Controlled?
Some Current Issues
Management
Typical Chaos
Different Identities
Identity Management Technologies
Directory Component
Enterprise Directory
Directory Responsibilities
Authoritative Sources
Meta Directory
Directory Interactions
Web Access Management
Web Access
Password Management
Legacy Single Sign-On
Account Management Systems
Provisioning Component
Provisioning
Not Just Computers
Profile Update
Working Together
Enterprise Directory
Identity Management Solution Components
Right for Your Company
What you need to know
Federated Identity
Different Technologies
Single Sign-on Technology
Single Sign-on
Directory Services as a Single Sign-on Technology
Active Directory
Some Technologies Can Combine Services
Security Domain
Domains of Trust
Domain Illustration
Thin Clients
Example
Kerberos as a Single Sign-on Technology
Kerberos Components Working Together
Pieces and Parts
More Components of Kerberos
KDC Components
Kerberos Steps
Tickets
Ticket Components
Authenticators
Steps of Validation
Kerberos Security
Why Go Through All of this Trouble?
Issues Pertaining to Kerberos
Kerberos Issues
SESAME as a Single Sign-on Technology
SESAME Steps for Authentication
Combo
Models for Access
Access Control Models
Discretionary Access Control Model
ACL Access
File Permissions
Enforcing a DAC Policy
Security Issues
Mandatory Access Control Model
MAC Enforcement Mechanism - Labels
Formal Model
Software and Hardware
Software and Hardware Guards
Where Are They Used?
SELinux
MAC Versus DAC
Role-Based Access Control
RBAC Hierarchy
RBAC and SoD
Acquiring Rights and Permissions
Rule-Based Access Control
Firewall Example
Access Control Matrix
Capability Tables
User Capability Tables
Temporal Access Control
Access Control Administration
Access Control Methods
Centralized Approach
Remote Centralized Administration
RADIUS
RADIUS Steps
RADIUS Characteristics
TACACS+ Characteristics
Diameter Characteristics
Diameter Protocol
Mobile IP
Diameter Architecture
Two Pieces
AVP
Decentralized Access Control Administration
Controlling Access to Sensitive Data
Protecting Access to System Logs
Accountability = Auditing Events
Agenda 2
IDS
IDS Steps
Network IDS Sensors
Host IDS
Combination
Types of IDSs
Signature-Based Example
Behavior-Based IDS
Statistical Anomaly
Statistical IDS
Protocol Anomaly
What Is a Protocol Anomaly?
Protocol Anomaly Issues
Traffic Anomaly
IDS Response Mechanisms
Responses to Attacks
IDS Issues
Intrusion Prevention System
Differences
Vulnerable IDS
Trapping an Intruder
Controlling Remote Access
Remote Access Policy
Remote Authentication
Mutual Authentication
Without Mutual Authentication
Group Policies
File & Print Resources
File & Print Resources - Protection
Physical Access Security
Physical Security - Threats
Different Types of Threats
Categories of Threats
Wake Up Call
Not Just Hacking
Number One Priority
Legal Issues
Planning Phase
Physical Security Program Goals
Measurable Results
Planning Process
Risk Assessment Needs to be Carried Out
Deterrence
Deterrence Options
Delay
Another Delay Approach
Layered Defense Model
Layers of Defense
Detection
Assessment
Response
Weak Link in the Chain
Part of the Overall Security Program
Controls with the Same Goals
Agenda 1
Threat Categories
Crime Prevention through Environmental Design
Crux of Approach
Protection Built In
CPTED Examples
Natural Access Control
Access Control
CPTED Main Strategies
Target Hardening
Access Barriers
Facility Site Selection
Urban Camouflage
Facility Construction
Earthquake Protection
Construction Materials
Rebar Encased in Concrete
Pentagon with Reinforcements
Fire Resistance Walls
Data Center
Data Center Protection
Designing a Secure Site
Levels of Protection
Door Types
Hollow-Core Doors
Solid Core Doors
Bullet Proof Door
Door Component
Door Lock Types
Window Types
Controlling Access
Sensitive Areas
Possible Threats
Security Zones
Various Sensors
Lock Types
Controlling Keys
Smart Locks
Lock Picking
Entry Access Control
Facility Access
Wireless Proximity Devices
Device Types
Piggybacking
Entrance Protection
Mantraps
Door Configurations
External Boundary Protection
Perimeter Protection - Fencing
Detection Fencing
Detecting Intruders
Fencing Characteristics
Fencing Issues
Gates
What Level of Protection is Needed?
Bollards
Perimeter Protection - Lighting
Properly Laid Out
Lighting Issues
Perimeter Security - Security Guards
Guard Tasks
Security Guards
Monitoring
Level of Detail that is Required
CCTV
Items to Consider about CCTVs
CCTV Components
CCTV Lens Types
CCTV Components (Cont.)
Agenda 2
Types of Physical Intrusion Detection Systems
Intrusion Detection Characteristics
Electro-Mechanical Sensors
Volumetric Sensors
Alarm Systems
Securing Mobile Devices
Stolen Laptops (partial list..)
Agenda 3
HVAC Attributes
Environmental Considerations
Who's Got Gas?
Documentation of Procedures
Electrical Power
Backup Power
Problems with Steady Power Current
Power Interference
Disturbances
Protection Against Electromagnetic Discharge
Definitions
Power Preventive Measures
Device Protection
Consistent Power Flow
Static Electricity
Agenda 4
Fire Prevention
Not Allowed
Components of Fire
Fire Sources
Automatic Detector Mechanisms
Fire Detection
Fire Suppression Agents
Fire Types
Emergency Power Off Switch
Employees Need to be Trained
Fire Suppression Systems
Fire Extinguishers
Emergency Procedures
Drills and Testing
Water Detectors
Full Program
Domain 3 Review

Domain 4 - Assessments and Audits
Assessments and Audits
Risk Management
Why Is Risk Management Difficult?
Necessary Level of Protection Is Different for Each Organization
Security Team/Committee
Risk Management Process
Planning Stage - Team
Analysis Paralysis
Planning Stage - Scope
Planning Stage - Analysis Method
Risk Management Tools
Defining Acceptable Levels
Acceptable Risk Level
Collecting and Analyzing Data Methods
What Is a Company Asset?
Data Collection - Identify Assets
Data Collection - Assigning Values
Asset Value
Data Collection - Identify Threats
Data Collection - Calculate Risks
Scenario Based - Qualitative
Risk Approach
Qualitative Analysis Steps
Want Real Answers?
Qualitative Risk Analysis Ratings
Qualitative Risks
Quantitative Analysis Steps
Quantitative Analysis
How Often Will This Happen?
ARO Values and Their Meaning
Calculate ALE
ALE Value Uses
Relationships
Calculate Risks - ALE Example
Your Turn!
ALE Calculation
Can a Purely Quantitative Analysis Be Accomplished?
Risk Types
Examples of Types of Losses
Delayed Loss
Cost/Benefit Analysis
Cost of a Countermeasure
Cost/Benefit Analysis Countermeasure Criteria
Calculating Cost/Benefit
Controls
Control Selection Requirements
Quantitative Analysis
Quantitative Analysis Disadvantages
Qualitative Analysis Approach
Qualitative Analysis Disadvantages
Can You Get Rid of All Risk?
Calculating Residual Risk
Uncertainty Analysis
Dealing with Risk
Management's Response to Identified Risks
Risk Acceptance
Risk Analysis Process Summary
Remote Access Security
Authentication
Remote Access
Administering Systems Remotely
Facsimile Security
Securing Data in Motion
Support Systems
Agenda 6
Before Carrying Out Vulnerability Testing
Testing for Vulnerabilities
Vulnerability Assessments
Security Testing Issues
Vulnerability Scanning
Basic Scanner
More Functionality
Data Leakage - Keystroke Logging
Looking at Keystrokes
Password Cracking
One of Many Tools
War Dialing
PhoneSweep
Wardialing Output
Detailed PhoneSweep Output
War Driving
Wireless Reconnaissance Output
Wireless Reconnaissance
Wireless Attacks
MAC Filtering
Penetration Testing
Testing Steps
Testing Methodology
Automated Pen Testing Tools Canvas Operation
Penetration Testing
Automated Pen Testing Tools Core Impact Operation
Post-Testing and Assessment Steps
Penetration Testing Variations
Types of Testing
Protection Mechanism - Honeypot
Log Reviews
Assessment Tools
Nmap
Nmap - Options
Nmap - Command line
Nmap (2)
Zenmap
OVAL
Network Performance Monitoring
Network Monitoring
Network Monitoring - Features
System Monitoring
Performance Baseline
Establishing a Performance Baseline
Monitoring Methodologies
Signature Based Monitoring
Behavior Based Monitoring
Anomaly Based Monitoring
Statistical Based Monitoring
Signature vs. Anomaly Based Monitoring
Log Management
Logging Activities
Log Reviews
Security Logs
Protecting Access to System Logs
Accountability = Auditing Events
Auditing
Privilege Auditing
Usage Auditing
Escalation Auditing
Retention & Storage
Retention & Storage Policies
Data Retention & Storage
Resource Protection
Library Maintenance
Media Labels
Media Controls
Software Escrow
Media Reuse
Weak Link
Liabilities of Insecure Disposal of Information
Devastating to the Company
Results of Data Leakage
Object Reuse
Safe Disposal
Degaussing
Zeroization
Physical Destruction
Remaining Data
Purging
Why Not Just Delete the Files?
Formatting Media
Domain 4 Review

Domain 5 - Cryptography
Cryptography
Services Provided by Cryptography
Cryptographic Definitions
Cipher
Cryptanalysis
A Few More Definitions
Need Some More Definitions?
Now This Would be Hard Work
Symmetric Cryptography - Use of Secret Keys
Historical Uses of Symmetric Cryptography - Hieroglyphics
Scytale Cipher
Substitution Ciphers
Simple Substitution Cipher Atbash
Simple Substitution Cipher Caesar Cipher
Caesar Cipher Example
Simple Substitution Cipher ROT13
Historical Uses
Polyalphabetic Cipher - Vigenere Cipher
Polyalphabetic Substitution
Vigenere Algorithm
Enigma Machine
U-Boats had Enigma Machines
Code Book
Historical Uses of Symmetric Cryptography - Running Key and Concealment
Agenda 1
Transposition Ciphers
Key and Algorithm Relationship
Does Size Really Matter?
It Does with Key Sizes
Key space
Ways of Breaking Cryptosystems - Brute Force
Brute Force Components
Ways of Breaking Cryptosystems - Frequency Analysis
Strength of a Cryptosystem
Do You Know What You are Doing?
Developing Cryptographic Solutions In-House
Characteristics of Strong Algorithms
Open or Closed More Secure?
Agenda 2
Types of Ciphers Used Today
Type of Symmetric Cipher - Block Cipher
S-Boxes Used in Block Ciphers
Binary Mathematical Function 1
Type of Symmetric Cipher - Stream Cipher
Symmetric Characteristics
Initialization Vectors
Security Holes
Strength of a Stream Cipher
Let's Dive in Deeper
Symmetric Key Cryptography
Out-of-Band Transmission
Symmetric Key Management Issue
Symmetric Algorithm Examples
Symmetric Downfalls
Why?
Asymmetric Cryptography
Key Functions
Public Key Cryptography Advantages
Asymmetric Algorithm Disadvantages
Confusing Names
Symmetric versus Asymmetric
Asymmetric Algorithm Examples
Questions 1
When to Use Which Key
Using the Algorithm Types Together
Encryption Steps
Receiver's Public Key Is Used to Encrypt the Symmetric Key
Receiver's Private Key Is Used to Decrypt the Symmetric Key
Digital Envelope
E-mail Security
Secret versus Session Keys
Asymmetric Algorithms We Will Dive Into
Asymmetric Algorithm - Diffie-Hellman
Diffie-Hellman
Key Agreement Schemes
Asymmetric Algorithm - RSA
Factoring Large Numbers
RSA Operations
RSA Key Size
El Gamal
ECC
ECC Benefits
Asymmetric Mathematics
Asymmetric Security
Mathematics
Symmetric Ciphers We Will Dive Into
Symmetric Algorithms - DES
Block Cipher
Double DES
Evolution of DES
Modes of 3DES
Encryption Modes
Block Cipher Modes - CBC
IV and CBC
CBC Example
Different Modes of Block Ciphers - ECB
ECB versus CBC
Block Cipher Modes - CFB and OFB
CFB and OFB Modes
Counter Mode
Modes Summary
Symmetric Cipher - AES
IDEA
RC4
RC5
Agenda 3
Data Integrity
Hashing Steps
Protecting the Integrity of Data
Hashing Algorithms
Data Integrity Mechanisms
Hashing Strength
Question 1
Weakness in Using Only Hash Algorithms
More Protection in Data Integrity
MAC
HMAC - Sender
HMAC - Receiver
Another Look
What Services
Authentication Types
CBC-MAC
MAC Using Block Ciphers
Integrity?
What Services?
Question 2
Digital Signatures
One More Look 1
U.S. Government Standard
What is…
Not Giving up the Farm
Zero Knowledge Proof
Message Integrity Controls
Security Issues in Hashing
Example of a Birthday Attack
Birthday Attack Issues
Key Management
Key Backup
Key Management (Cont.)
Key Usage
Cryptoperiod
M-of-N
Key Types
Agenda 4
Why Do We Need a PKI?
PKI and Its Components
Components of PKI
PKI
PKI Steps
RA Roles
CA
Let's Walk Through an Example
Digital Certificates
Certificate
Signing the Certificate
Verifying the Certificate
Trusted CA's
Non-Trusted CA
One More Look 2
What Do You Do with a Certificate?
Components of PKI, Repository, and CRLs
Revoked?
CRL Process
Different Uses for Certificates
Lifecycle of a Certificate
Cross Certification
PKI and Trust
Agenda 5
Historical Uses of Symmetric Cryptography - Vernam Cipher
Binary Mathematical Function 2
One-Time Pad in Action
One-Time Pad Characteristics
Steganography
Steganography Utilities
Digital Watermarking
Link versus End-to-End Encryption
End-to-End Encryption
Encryption Location
Email Standards
You Decide
Non-Hierarchical
Secure Protocols
SSL Connection Setup
Example - SSL
Validating Certificate
Secure Protocols (Cont.)
SSL and the OSI Model
E-Commerce
How Are You Doing?
Hard the First Times Through
Secure Email Standard
Agenda 6
Network Layer Protection
IPSec Key Management
IPSec Handshaking Process
VPN Establishment
SAs in Use
Key Issues Within IPSec
Configuration of SA Parameters
IPSec Configuration Options
IPSec Is a Suite of Protocols
AH and ESP Modes
IPSec Modes of Operation
VPN Establishment (Cont.)
Review
Questions 2
Attack Types
Attacks on Cryptosystems
Known-Plaintext Attack
Chosen-Plaintext Attack
Chosen-Ciphertext Attack
Adaptive Attacks
Side Channel Attacks
Trusted Platform Module (TPM)
TPM
Full Disk Encryption
Putting It All Together
SSH
Authentication Methods Supported
Network Protection
Ciphers Provided
SSH1 vs. SSH2
Domain 5 Review

Domain 6 - Organizational Security
Organizational Security
Mainframe Days
In the Good Old Days - Who Knew?
Today's Environment
Security Definitions
Vulnerabilities
Examples of Some Vulnerabilities that Are Not Always Obvious
Risk - What Does It Really Mean?
Relationships
Who Deals with Risk?
Overall Business Risk
Who?
AIC Triad
Availability
Integrity
Confidentiality
Who Is Watching?
Social Engineering
What Security People Are Really Thinking
Security Concepts
Security?
The Bad Guys Are Motivated
If Not Obscurity - Then What?
Open Standards
Common Open Standards
Without Standards
“Soft” Controls
Logical Controls
Physical Controls
Are There Gaps?
Understanding Drivers
Holistic Security
Not Always So Easy
Different Types of Backups
Backups
HSM
Off-Line
Backup Types
Incremental Backup
Incremental
Differential Backup
Differential
Backup Protection
Continuous Threat
Agenda 3
Devices Will Fail
Mean Time Between Failure
Mean Time to Repair
Single Point of Failure
Countermeasures
Redundant and Fault Tolerance
Mirroring Data
Disk Duplexing
Direct Access Storage Device
Redundant Array of Independent Disks
Massive Array of Inactive Disks (MAID)
Redundant Array of Independent Tapes (RAIT)
Serial Advanced Technology Architecture
SAN
Fault Tolerance
Network Redundancy
Mesh Network
Redundancy Mechanism
Backup Configuration Files
Some Threats to Computer Operations
Trusted Recovery of Software
After System Crash
Security Concerns
Needs for BCP
Is Your Organization Prepared?
Is Your Company Prepared?
9/11 Changed Mentalities About BCP
Disaster affected Many
America is Rebuilding
Partial FEMA Disaster List for 2005
Do We have a Plan?
DRP Focus
BCP Focus
Comparing the Two
What is the Purpose of a BCP?
More Reasons to have Plans in Place
Framework
BCP is a Core Component of Every Security Program
Steps of BCP Process
Different BCP Model
Documentation
Documentation and Approval
BCP Policy Outlines
BCP Policy Sample
Who is In Charge and Who Can We Blame?
What's Needed in a Team?
BCP Development Team
Project Sizing
Properly Determining Scope is Important
BCP Risk Analysis Steps
BIA Steps
Data Gathering
Information from Different Sources
Analysis
Critical Functions
How to Identify the Most Critical Company Functions
Interdependencies
Well, of course an Organization Knows How it Works!
Business Silos
Understanding the Enterprise
BIA Steps (Cont.)
Identifying Functions - Resources
Who Connects to Who?
BIA Steps (Cont..)
Maximum Tolerable Downtime
MTD
Example
MTD Definitions
BIA Steps (Cont...)
Range of Threats to Consider
Thinking Outside of the Box What if….
Biological Threats
BIA Steps (Cont….)
Potential Disasters
Risk Approach
Ranking by Risk Level
Potential Losses
Include all RISK Components
What Have We Completed Up to Now?
BIA Steps (Cont…..)
Recovery Strategies
Alternate Business Process Procedures
Business Process Reconstruction
Recovery Strategies (Cont.)
Facility Recovery
Facility Backups - Hot Site
Facility Backups - Warm Site
Facility Backups - Cold Site
Compatibility Issues with Offsite Facility
Tertiary Sites
Subscription Costs
Multiple Processing Centers
Location, Location, Location
Choosing Site Location
Other Offsite Approaches
Security does Not Stop
More Options
Rolling Hot Site
Recovery Strategies (Cont..)
Supply and Technology Recovery
VoIP
Equipment Replacement
What Items Need to Be Considered?
Priorities
Anything Else?
Replacements
Executive Succession Planning
Recovery Strategies (Cont...)
User Environment Recovery
Recovery Strategies (Cont….)
Data Recovery Technologies
Co-Location
Data Recovery
Backup Redundancy
Recovering Data
Automated Backup Technologies
Tape Vaulting
Data Recovery (Cont.)
Clustering for Fault Tolerance
Clustering
Disk or Database Shadowing
Which Option to Use
Cost Effective Measures
Resources, Time, Solutions
Determining Recovery Solutions
Cost and Recovery Times
Proactive
BIA Steps (Cont…...)
Recovery Solutions
Preventative Measures
Reviewing Insurance
Results from the BIA
Now Ready to Develop the Plan
Basic Structure of BCP
Products That Can Help
Plan Components
Teams to Be Developed
External Groups
Policy Components
Activation Phase
Damage Assessment
Notifying Personnel
Plan Activation
Emergency Response
Policy Components (Cont.)
Next Phases
Recovery Procedures
Documentation of Recovery Steps
Policy Components (Cont..)
Reconstitution Phase
Reconstitution Items
Returning to Original Facility
Who goes First?
Disaster Hit - Now What?
Termination of BCP
Life Cycle
Who has the Plan?
Backup of the Backup Plan
Results
Types of Tests to Choose From
Test Objectives
Training Requirements
Lessons Learned
What Is Success?
Out of Date?
BCP Plans Commonly and Quickly Become Out of Date
Keeping it Current
Change Control
Resulting Plan Should Contain…
Phases of the BCP
Why Incident Response?
Incident Response Alarms
Threats
Incident Response Framework
Preparation and Planning
IRT - Incident Response Team
Incident Response Team - Mission
Incident Response Team - Objectives
Incident Response Team - Priorities
Incident Response Team - Liaisons
Detection
Chain of Custody (2)
Poking into Network Traffic
Snort
Containment
Containment - Some Considerations
Notification
Investigation
Rules of Evidence
Acceptable Evidence
Exclusionary Rules
Evidence Recognition
Evidence Discovery
Search and Seizure
Network Monitoring
Reviewing System Logs
Interviewing
Terminating the Investigation
Recovery
Response
Follow-Up
Follow-Up - Record Keeping
Follow-Up - Lessons Learned
Follow-Up - Final Report
Electronic Forensic
Media Analysis Procedures
Media Analysis - IACIS Framework
Step 1 - Sterile Media
Step 2 - Legal Software
Step 3 - Physical Examination of the Evidence
Step 4 - Avoid Altering the Evidence
Step 5 - Capture Date/Time and CMOS (RTC/NVRAM) Information
Step 6 - Create an Exact Image
Step 7 - Logically Examine the Image
Step 8 - Examine the Boot Record Data and User-Defined Files
Step 9 - Recover and Examine All Deleted Files
Step 10 - Create a Listing of All Files
Step 11 - Examine Unallocated Space for Lost or Hidden Data
Step 12 - Examine File Slack
Step 13 - Examine All User Created Files
Step 14 - Unlock and Examine Password-Protected Files
Step 15 - Create Printouts of All of the Apparent Evidence
Step 16 - Examine Executable Files and Run Applications
Step 17 - Write the Forensic Analysis Report
Components of Security Program
A Layered Approach
In Security, You Never Want Any Surprises
Building Foundation
Security Roadmap
Functional and Assurance Requirements
Building Foundation
Most Organizations
Silo Security Structure
Islands of Security Needs and Tools
Get Out of a Silo Approach
Security Is a Process
Approach to Security Management
Result of Battling Management
Industry Best Practices Standards
ISO/IEC 17799
Pieces and Parts
Numbering
New ISO Standards
COBIT
Inside of COBIT
COBIT - Control Objectives
Measurements
Information Technology Infrastructure Library
Security Governance
Security Program Components
Policy Framework
Policy Types
Organizational Policy
Policy Approved - Now What?
Issue-Specific Policies
ASP Policy Example
System-Specific Policies
Standards
Standard Example
Baseline
Data Collection for Metrics
Guidelines
Procedures
Tying Them Together
Program Support
Entity Relationships
Senior Management's Role
Security Roles
Custodian
Auditor
Access
Information Classification
Information Classification Program
Data Leakage
Do You Want to End Up in the News?
Types of Classification Levels
Data Protection Levels
Classification Program Steps
Information Classification Components
Procedures and Guidelines
Classification Levels
Information Classification Criteria
Criteria Example
Or Not
Information Owner Requirements
Clearly Labeled
Testing Classification Program
Who Is Always Causing Problems?
Employee Management
Employee Position and Management
Hiring and Firing Issues
A Few More Items
Unfriendly Termination
Security Awareness and Training
Training Characteristics
Awareness
Security Enforcement Issues
PII
Domain 6 Review
Course Closure