The primary purpose of a software patch is to fix software vulnerabilities. Software vulnerabilities can be exploited by malicious actors to compromise a system's security. Patches are essential for maintaining a secure and stable software environment.

The VPN protocol that operates at Layer 2 of the OSI model is "L2TP" (Layer 2 Tunneling Protocol), which is commonly used for remote access VPN connections.

GDPR (General Data Protection Regulation) introduces the role of a Data Protection Officer (DPO) to ensure compliance within organizations. The DPO is responsible for monitoring data protection activities, advising on data protection obligations, and serving as a contact point for data protection authorities.

The most likely reason for the third-party widgets not functioning after implementing a strict CSP (Content Security Policy) is that the widgets violate the Same-Origin Policy. CSP restricts the sources from which content can be loaded on a web page, and if the widgets come from a different origin, they may be blocked.

MDM solutions are primarily used to enforce security policies and configurations within an organization's Bring Your Own Device (BYOD) policy. These policies can include things like password requirements, app restrictions, and encryption settings to ensure that personal devices used for work are secure and compliant with company standards.

Malware is a term used to describe any software specifically designed to infiltrate and damage computer systems, often without the user's knowledge or consent. Malware can take various forms, including viruses, worms, Trojans, and spyware, among others.

The primary advantage of biometric authentication methods like fingerprint or facial recognition is their strong security. Biometrics provide a high level of security because they are based on unique physical or behavioral characteristics, making it extremely difficult for unauthorized users to gain access. These methods are challenging to fake or replicate, enhancing security.

A router is used to segment a network and control network traffic based on security policies by directing traffic between different network segments, effectively acting as a gateway for traffic control.

The 'Analysis' stage focuses on identifying the root cause of the incident by examining how the breach occurred. Once the root cause is known, efforts can be directed toward eradicating it and preventing future occurrences.

BitLocker is a full-disk encryption feature included with Microsoft Windows. It encrypts the entire hard drive, making it unreadable without the proper decryption key. This ensures the security of data on the disk, even if the computer is lost or stolen.