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CompTIA CySA+ (CSO-003) (1).
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CompTIA CySA+ (CSO-003) (1).
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CompTIA CySA+ (CSO-003)Host Related IOC's - ANS-Memory consumption, processor consumption, and drive
capacity consumption
Lockheed Martin Cyber Kill Chain - ANS-linear progression of an attack:
Reconnaissance - what the network looks like
o Weaponization - creating malware but not running it yet
o Delivery - how are they going to deliver the malware
o Exploitation - leverages vulnerability to execute main attack
o Installation - achieve persistence on the system
o C2 - establishes control (channel) of the network and system
o Action on objectives - accomplish their original goal
Diamond Model of Intrusion Analysis - ANS-focuses on the relationship between four
main elements of an attack: adversary, infrastructure, victim, and capability, rather than
the stages of an attack.
MITRE ATT&CK Framework - ANS-detail a variety of tactics, techniques, and
procedures used by attackers
Stages:
Initial access
Execution
Persistence
Privilege escalation
Defense evasion
Credential access
Discovery
Lateral movement
Collection and exfiltration
Command and control
Forensic analysis - ANS-involves a meticulous examination of all evidence related to an
incident to understand its origin, extent, and impact.
Root cause analysis - ANS-seeks to identify the initial cause of an issue and provide
insight into security controls' effectiveness and identify improvement areas
,Lessons Learned - ANS-involves a thorough review after an incident to identify what
happened, what was done well, and what needs to be improved to prevent similar
incidents in the future
Open IOC - ANS-depth of research on APTs but does not integrate the detections and
mitigation strategy.
SOAR - ANS-designed to collect and analyze security threat data and automate
responses, making them an effective solution for dealing with multiple, persistent
cyberattacks
Joe Sandbox - ANS-Allows a security research or cybersecurity analyst to analyze and
understand the behavior of malware samples in a safe and
controlled environment
Insecure direct object references (IDOR) - ANS-a cybersecurity issue that occurs when
a web application developer uses an identifier for direct access to an internal
implementation object but provides no additional access control and/or authorization
checks. An attacker could change the userid number and directly access any user's
profile page in this scenario.
SHA-256 - ANS-SHA-256 and other hashing algorithms are used to ensure the data
integrity of a file has not been altered
Cross-site scripting (XSS) - ANS-type of computer security vulnerability typically found
in web applications.
Inject malicious code into web pages viewed by others can be a specifically crafted URL
that includes attack code (after a ?).
focuses on user, not database or server
Network Access Control (NAC) - ANS-prevents unauthorized users from connecting to a
network
Base64 - ANS-obfuscate technique, long string A-Z, a-z, 1-9
Incident Response Plan - ANS-A plan that an organization uses to categorize a security
threat, determine the cause, preserve any evidence, and also get the systems back
online so the organization can resume business.
OWASP Testing Guide - ANS-providing framework for web application security testing
, Compensating Controls - ANS-Controls that substitute for the loss of primary controls
and mitigate risk down to an acceptable level.
Write Blocker - ANS-Forensic tool to prevent the capture or analysis device or
workstation from changing data on a target disk or media. Can be hardware or software.
SQL Injection - ANS-exploits web applications.......
requires the use of " ' " to escape built in sql query
parameterized query - ANS-A technique that defends against SQL injection by
incorporating placeholders in a SQL query.
XCCDF - ANS-language that is used in creating checklists for reporting results.
HEAD / HTTP/1.1 - ANS-Using Telnet - requests the document header from the server
and provides information such as the server software version and the server's operating
system
Vulnerability reports should include - ANS-both the physical hosts and the virtual hosts
on the target network.
Process Monitor - ANS-advanced monitoring tool for Windows that shows real-time file
system, Registry, and process/thread activity
often false positives - ANS-findings that are classified as "low" priority or "for
informational purposes only."
Acceptable Use Policy (AUP) - ANS-a policy that governs employees' use of company
equipment and internet services.
Executive Summary - ANS-A brief description of the incident, including the date, time,
and scope of the attack
Quality of Service - ANS-purposely manipulating service quality to decrease their
transfer speeds (of an attacker). Used when an attack has already been succesful
The deep web - ANS-contains information that is not indexed by standard search
engines, making it invisible to conventional searches
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