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C706 - Secure Software Design - Study Guide (reddit) – Questions & Answers
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C706 - Secure Software Design - StudyGuide (reddit) – Questions & Answers
Confidentiality - -In information security, confidentiality "is the property, that
information is not made available or
disclosed to unauthorized individuals, entities, or processes"
-Integrity - -In information security, data integrity means maintaining and
assuring the accuracy and completeness of data over its entire life-cycle.
This means that data cannot be modified in an unauthorized or undetected
manner. This can be also used to validate databases to make sure none of
the data is corrupt or modified in an unauthorized matter.
-Availability - -For any information system to serve its purpose, the
information must be available when it is needed. This means that the
computing systems used to store and process the information, the security
controls used to protect it, and the communication channels used to access
it must be functioning correctly.
-Secure Software Design Features - -Confidentiality: Public Key
Infrastructure (PKI) and Cryptography/Encryption
Availability: Offsite back-up and Redundancy
Integrity: Hashing, Message Digest (MD5), non repudiation and digital
signatures
Software
-Software Architect - -The software architect moves analysis to
implementation and analyzes the requirements and use cases as activities to
perform as part of the development process. That person can also develop
class diagrams.
-Security Practitioner Roles - -Release Manager: Deployment
Architect: Design
Developer: Coding
Business Analyst/Project Manager: Requirements Gathering
-Red Team - -These are teams of people familiar with the infrastructure of
the company and the languages of the software being developed. Their
mission is to kill the system as the developers build it.
-Static Analysis - -Static analysis, also called static code analysis, is a
method of computer program debugging that is done by examining the code
without executing the program. The process provides an understanding of
, the code structure, and can help to ensure that the code adheres to industry
standards. It's also referred as code review.
-MD5 Hash - -The MD5 algorithm is a widely used hash function producing a
128-bit hash value. Although MD5 was initially designed to be used as a
cryptographic hash function, it has been found to suffer from extensive
vulnerabilities. It can still be used as a checksum to verify data integrity, but
only against unintentional corruption. (Integrity)
-SHA-256 - -The SHA (Secure Hash Algorithm) is one of a number of
cryptographic hash functions. A cryptographic hash is like a signature for a
text or a data file. SHA-256 algorithm generates an almost-unique, fixed size
256-bit (32-byte) hash. Hash is a one way function - it cannot be decrypted
back. (Integrity)
-Advanced Encryption Standard (AES) - -AES (acronym of Advanced
Encryption Standard) is a symmetric encryption algorithm. The algorithm
was developed by two Belgian cryptographer Joan Daemen and Vincent
Rijmen. AES was
designed to be efficient in both hardware and software, and supports a block
length of 128 bits and key lengths of 128, 192, and 256 bits. (Confidentiality)
-Stochastic - -The analogy between safety and security is particularly close.
The main difference is that safety-relevant faults are stochastic (i.e.,
unintentional or accidental), whereas security-relevant faults are
"sponsored," i.e., intentionally created and activated through conscious and
intentional human agency.
-Fuzz Testing - -Is used to see if the system has solid exception handling to
the input it receives. Is the use of malformed or random input into a system
in order to intentionally produce failure. This is a very easy process of
feeding garbage to the system when it expects a formatted input, and it is
always a good idea to feed as much garbage as possible to an input field
-Three (3) Tier - -The 3 tier architecture model removes the business logic
from the client end of the system. It generally places the business logic on a
separate server from the client. The data access portion of the system
resides on a 3rd tier, which is separate from both the client and the business
logic platform
-T-MAP - -USC's Thread Modeling based on Attacking Path Analysis (T-MAP)
is a risk management approac that quantifies severity weights of relevant
attacking paths for COTS-based systems. T-MAP's strengths lie in its ability to
maintain sensitivity to an organization's business value priorities and
Information Technology (IT) environment, to prioritize and estimate security
investment effectiveness and evaluate performance, and to communicate
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