Securing different operating systems (Windows, Linux, macOS) MCQs

Firewalls are designed for network traffic monitoring and control to prevent unauthorized access and protect against various threats.

User Account Control (UAC) is a Windows feature that enhances the security of user accounts by requiring elevated permissions for certain actions.

A Host-based Intrusion Detection System (HIDS) monitors and analyzes system activities locally to detect and respond to security threats.

ext4 is a common file system used in Linux that provides enhanced security features, including file permissions and access control lists.

The sudo command in Unix-based systems allows users to execute commands with elevated privileges, enhancing security.

BitLocker is a feature in Windows that encrypts entire volumes, providing protection against unauthorized access.

ASLR randomizes memory addresses to prevent predictable code execution, making it harder for attackers to exploit vulnerabilities.

Data Execution Prevention (DEP) is designed to protect against buffer overflow attacks by preventing the execution of code in specific memory regions.

FileVault in macOS is used for file encryption, providing a secure way to protect data on disk.

Both Windows Defender and macOS's XProtect are antivirus solutions designed to protect against malware.

AppArmor in Linux provides application-level access control, restricting the actions that specific programs can perform.

Windows Update is a feature in Windows that allows the system to automatically download and install updates to protect against vulnerabilities.

The Windows Registry stores system configuration and settings, playing a crucial role in the functionality and security of the operating system.

The Least Privilege Principle helps protect against privilege escalation attacks by granting users the minimum levels of access needed to perform their tasks.

The Windows Security Center is used for monitoring and managing security-related settings on a Windows operating system.

A kernel-level firewall monitors and controls network traffic at the kernel level, providing enhanced security.

Gatekeeper in macOS is designed to prevent the execution of unauthorized code by verifying the digital signature of applications.

Secure Boot ensures the integrity of the boot process by validating digital signatures, helping protect against unauthorized code execution.

sudo in Linux allows administrators to delegate limited root privileges to specific users, restricting their actions on the system.

Windows Defender SmartScreen is designed to block malicious websites and downloads, enhancing web security on Windows.

macOS Gatekeeper blocks unauthorized code execution by verifying digital signatures, ensuring the integrity of applications.

The chroot command in Unix-based systems changes the root directory for a process and its children, enhancing security by restricting access to certain directories.

XProtect in macOS helps protect against malware by blocking known malicious software.

The sudoers file in Unix-based systems defines the privileges granted to users with the sudo command, controlling their access to specific commands.

The Windows Event Viewer is used for monitoring and managing security-related settings and events on a Windows operating system.

SELinux enhances access control in Linux through mandatory access controls (MAC), providing an additional layer of security.

macOS uses sudo to require user authentication for certain actions, enhancing security against unauthorized access.

Windows Group Policy is used for monitoring and managing security-related settings on Windows systems, allowing administrators to enforce policies.

Executable space protection in Linux helps protect against buffer overflow attacks by marking certain memory regions as non-executable.

The macOS Firewall is designed to block unauthorized network traffic, enhancing security by controlling inbound and outbound connections.

The Windows Credential Manager is used for managing and securely storing user credentials on Windows systems.

AppArmor in Linux restricts the actions that a specific process can perform, enhancing security by defining access controls.

Keychain Access in macOS is used for managing and securely storing passwords, encryption keys, and certificates.

Data Execution Prevention (DEP) in Windows helps protect against buffer overflow attacks by validating the integrity of exception handler records.

The umask command in Unix-based systems defines default permissions for newly created files and directories, contributing to security.

Gatekeeper in macOS helps protect against unauthorized code execution by requiring apps to be notarized by Apple.

BitLocker To Go in Windows is used for encrypting removable storage devices like USB drives, enhancing data security.

Swap encryption in Linux helps protect against unauthorized access to sensitive information by encrypting the swap space.

The macOS Firmware Password feature prevents unauthorized access to the Mac's firmware settings, enhancing system security.

Windows Defender SmartScreen helps protect against malicious scripts and macros in documents by blocking potentially harmful content.

The pam_unix module in Linux is used for user authentication, providing a pluggable authentication mechanism.

File System Permissions in macOS help protect against unauthorized access to specific folders and files by defining access controls.

AppLocker in Windows is used for restricting the execution of applications based on policies, enhancing application security.

Time-based access controls in Linux restrict the actions that a specific user can perform within a specific timeframe.

The Windows Security Baseline feature defines a set of recommended security settings for Windows systems, promoting a secure configuration.

Gatekeeper in macOS helps protect against unwanted applications by controlling app installations and verifying digital signatures.

Encrypting File System (EFS) in Windows is used for file encryption for individual files and folders, providing an additional layer of security.

udev in Linux helps protect against unauthorized access to certain devices by controlling device permissions.

macOS SIP (System Integrity Protection) protects system files and directories against modification, enhancing the integrity of the system.

User Account Control (UAC) in Windows helps protect against privilege escalation by restricting the rights and permissions of processes and users.