The USS Liberty incident refers to a military confrontation that occurred on June 8, 1967, during the Six-Day War between Israel and its Arab neighbors. The USS Liberty was a United States Navy intelligence ship that was conducting monitoring operations in the Mediterranean Sea near the coast of Egypt. On that day, Israeli forces launched an air and naval attack on the USS Liberty, resulting in significant damage to the ship and the deaths of 34 crew members, with many others injured.

Key Derivation Functions (KDFs) are cryptographic algorithms designed to derive one or more cryptographic keys from a secret value, such as a password, a master key, or a seed. The main purpose of a KDF is to take an input (often low-entropy data) and transform it into a higher-entropy key suitable for use in cryptographic applications, such as encryption, signing, or secure communications.

GateKeeper is a type of access control device designed to enhance security and convenience in various environments, such as offices, data centers, and other facilities requiring restricted entry. Typically, GateKeeper systems use various technologies, including biometric verification, RFID (Radio Frequency Identification), and Bluetooth, to control access to secure areas. **Key Features of GateKeeper Devices:** 1. **Authentication Methods**: GateKeeper systems often include multi-factor authentication options.

Key generation is a fundamental process in cryptography that involves creating keys for encryption and decryption. These keys are essential components used in various cryptographic algorithms to secure data and communications. There are two primary types of key generation: 1. **Symmetric Key Generation**: In symmetric encryption, the same key is used for both encryption and decryption. The key must be kept secret, as anyone with access to it can decrypt the data.

A Ticket Granting Ticket (TGT) is a component of the Kerberos authentication protocol, which is widely used for secure network authentication. When a user initially logs into a Kerberos-secured system, they receive a TGT after successfully authenticating with the Key Distribution Center (KDC). Here's how the TGT works in the Kerberos protocol: 1. **User Authentication**: When a user logs in, they enter their credentials (usually a username and password).

NTv2, or National Transform Version 2, is a geospatial data transformation methodology used primarily in Canada for transforming geographic coordinates between different geodetic datums. It is designed to provide accurate transformations between the North American Datum of 1983 (NAD83) and other local datums, taking into account regional variations in Earth's shape and size. The NTv2 system uses a grid-based approach, where a set of transformation parameters are stored in grid files.

Computer security qualifications refer to various certifications, degrees, and training programs that focus on the protection of computer systems, networks, and data from cyber threats. These qualifications are often pursued by professionals seeking to enhance their skills, validate their knowledge, and improve their job prospects in the field of cybersecurity. Here are some common types of computer security qualifications: ### Certifications 1.

The Centurion Guard is a highly specialized security force tasked with protecting the tomb of the Unknown Soldier, located at the Memorial to the Unknown Soldier in Athens, Greece. This elite unit of the Hellenic Army is distinguished by its ceremonial duties and is known for its impressive uniforms and the precision of its movements during the changing of the guard ceremony.

Cloud computing security refers to a set of policies, technologies, and controls designed to protect cloud-based systems, data, and infrastructure from various cybersecurity threats. As organizations increasingly adopt cloud services, ensuring the security of sensitive information and applications hosted in the cloud becomes critical. Key aspects of cloud computing security include: 1. **Data Protection**: Ensuring that data stored in the cloud is encrypted both in transit and at rest.

The Commission on Enhancing National Cybersecurity is a U.S. government initiative established to assess and improve the country's cybersecurity posture. Formed in 2016 through an executive order by then-President Obama, the commission was tasked with addressing cybersecurity challenges and providing recommendations to enhance the security of federal systems, critical infrastructures, and the economy. The commission's activities have focused on several key areas, including: 1. **Collaboration**: Encouraging cooperation between public and private sectors to improve cybersecurity resilience.

The "confused deputy" problem is a security vulnerability that occurs in computer systems when a program or process, acting on behalf of another entity, is fooled into performing actions that it should not be allowed to do. This situation often arises when privileges are mismanaged or mishandled, particularly in access control scenarios. In a typical example, consider a scenario where a program (the "deputy") has certain permissions on behalf of a user (the "principal").

CyberPatriot is a national youth cyber defense competition organized by the Air Force Association (AFA). Launched in 2009, its primary goal is to inspire students toward careers in cybersecurity and other science, technology, engineering, and mathematics (STEM) fields. The competition is aimed at middle school and high school students and focuses on educating participants about cybersecurity concepts and best practices.

Cyber self-defense refers to the strategies, techniques, and practices that individuals and organizations employ to protect themselves from various cyber threats, including cyberattacks, data breaches, identity theft, and online harassment. It encompasses both proactive measures to prevent attacks and reactive measures to mitigate damage if an incident occurs. Key components of cyber self-defense include: 1. **Awareness and Education**: Understanding the types of cyber threats that exist and how they operate.

Cybersex trafficking is a form of human trafficking that involves the exploitation of individuals for sexual purposes through online platforms. It typically occurs when traffickers use technology, such as the internet and various digital communication tools, to exploit victims by forcing them into producing sexual content or engaging in sexual acts in front of a webcam.

Electric grid security in the United States refers to the measures and strategies employed to protect the nation's electric power system from a range of threats, including physical attacks, cyber threats, natural disasters, and other risks that could disrupt the generation, transmission, and distribution of electricity. The electric grid is a complex network that consists of power plants, transmission lines, substations, and distribution systems, and its security is critical for ensuring the reliability and safety of electricity supply.

Fail-stop is a type of fault tolerance mechanism in computer systems and software design that ensures that when a failure occurs, the system stops functioning immediately in a safe and controlled manner, rather than continuing to operate in a potentially erroneous state. This approach is often used in safety-critical systems where incorrect behavior due to faults could lead to severe consequences.

The Pwnie Awards is an annual event that recognizes and honors outstanding achievements in the field of computer security, specifically in the realm of hacking and vulnerability research. Named after the "pwn" term from gaming culture, which refers to dominating or defeating an opponent, the Pwnie Awards celebrate both positive contributions to security and notable failures in the field. The awards are typically presented during the Black Hat and DEF CON conferences, which are prominent events in the cybersecurity community.

The Opal Storage Specification is a technical standard developed for the protection of data on storage devices, primarily focusing on solid-state drives (SSDs) and hard disk drives (HDDs). It is part of a broader initiative aimed at enhancing data security, especially for sensitive information on devices that could be lost or stolen. Opal defines a set of features and capabilities for implementing full-disk encryption and various security protocols.

A public computer typically refers to a computer that is made available for use by the general public. These computers can be found in various locations, such as: 1. **Libraries**: Many public libraries provide computers for patrons to use for research, accessing the internet, or completing assignments. 2. **Community Centers**: These facilities may offer computer access for residents to use for various purposes, such as job searching or online training.

SMBGhost, also known as CVE-2020-0796, is a critical vulnerability found in Microsoft’s Server Message Block (SMB) protocol, particularly affecting Windows 10 and Windows Server systems. Disclosed in March 2020, SMBGhost allows remote attackers to execute arbitrary code on vulnerable systems without any authentication or user interaction.