Encyclopedia - Capture The Flag: Encyclopedia Ii - Capture The Flag - Computer Security
In computer security, capture the flag (CTF) is an information warfare game. Each team is given a machine (or small network) to defend on...   » Read the article

Encyclopedia - Shibboleth: Encyclopedia Ii - Shibboleth - Computer Security
Within the field of computer security, the word shibboleth is sometimes used with a different meaning than the usual meaning of verbal, l...   » Read the article

Encyclopedia - Computer Security: Encyclopedia - Computer Security
Computer security is a field of computer science concerned with the control of risks related to computer use. The means traditionally tak...   » Read the article

Encyclopedia - Computer Security: Encyclopedia Ii - Computer Security - Techniques For Creating Secure Systems
The following techniques can be used in engineering secure systems. These techniques, whilst useful, do not of themselves ensure security...   » Read the article

Encyclopedia - Authorization: Encyclopedia - Authorization
In security engineering and computer security, authorization, is a part of the operating system that protects computer resources by only ...   » Read the article

Encyclopedia - Key-agreement Protocol: Encyclopedia Ii - Key-agreement Protocol - Authentication
Anonymous key exchange, like Diffie-Hellman, does not provide authentication of the parties, and is thus vulnerable to man in the middle ...   » Read the article

Encyclopedia - Irc Floods: Encyclopedia Ii - Irc Floods - Protection
Almost every IRC client offers some kind of flood protection. These protections are based on the built-in "ignore" feature, which means t...   » Read the article

Encyclopedia - Irc Floods: Encyclopedia Ii - Irc Floods - Clones
Of course, abusers do not flood from their own nicknames, because of the following reasons: they can easily be K-Lined by administrators...   » Read the article

Encyclopedia - Man-in-the-middle Attack: Encyclopedia Ii - Man-in-the-middle Attack - Possible Subattacks
The MITM attack may include one or more of: eavesdropping, including traffic analysis and possibly a known plaintext attack chosen ciphe...   » Read the article

Encyclopedia - Buffer Overflow: Encyclopedia Ii - Buffer Overflow - Technical Description
A buffer overflow occurs when data written to a buffer, due to insufficient bounds checking, corrupts data values in memory addresses adj...   » Read the article

Encyclopedia - Shellcode: Encyclopedia Ii - Shellcode - Shellcode Execution Strategy
A shellcode may be used as an exploit payload, providing a cracker with command line access to a computer system with the privileges of t...   » Read the article

Encyclopedia - Security Focused Operating System: Encyclopedia Ii - Security Focused Operating System - Bsd
BSD is a family of free, open source Unix variants derived from a codebase originating at the University of California, Berkeley. All der...   » Read the article

Encyclopedia - Spyware: Encyclopedia Ii - Spyware - Effects And Behaviors
Windows-based computers can rapidly accumulate a great many spyware components. Users frequently notice unwanted behavior and degradation...   » Read the article

Encyclopedia - Spyware: Encyclopedia Ii - Spyware - Effects And Behaviors
Spyware rarely comes alone: an affected computer can rapidly become infected with large numbers of spyware components. Users frequently n...   » Read the article

Encyclopedia - Security-enhanced Linux: Encyclopedia Ii - Security-enhanced Linux - Implementations
SE Linux is available with commercial support as part of Red Hat Enterprise Linux version 4. In community supported Linux distributions i...   » Read the article

Encyclopedia - Computer Insecurity: Encyclopedia Ii - Computer Insecurity - Security And Systems Design
Most current real-world computer security efforts focus on external threats, and generally treat the computer system itself as a trusted ...   » Read the article

Encyclopedia - Canary Trap: Encyclopedia - Canary Trap
A canary trap is a method for exposing an information leak, that involves giving different versions of sensitive information to each of a...   » Read the article

Encyclopedia - War Dialing: Encyclopedia - War Dialing
War dialing or wardialing was a technique in the 1980s and '90s by which a computer would repeatedly dial a number (usually to a crowded ...   » Read the article

Encyclopedia - Capture The Flag: Encyclopedia - Capture The Flag
Capture the flag is a traditional outdoor game often played by children where two teams have a flag each and the objective is to capture ...   » Read the article

Encyclopedia - Buffer Overflow: Encyclopedia Ii - Buffer Overflow - Protection Against Buffer Overflows
Various techniques have been used to detect or prevent buffer overflows, with various tradeoffs. The most reliable way to avoid or preven...   » Read the article

Encyclopedia - Spyware: Encyclopedia Ii - Spyware - History And Development
The first recorded use of the term spyware occurred on October 16, 1995 in a Usenet post that poked fun at Microsoft's business model. Sp...   » Read the article

Encyclopedia - Spyware: Encyclopedia Ii - Spyware - Routes Of Infection
Spyware does not directly spread in the manner of a computer virus or worm: generally, an infected system does not attempt to transmit th...   » Read the article

Encyclopedia - Computing: Encyclopedia - Computing
Originally, the word computing was synonymous with counting and calculating, and a science that deals with the original sense of computin...   » Read the article

Encyclopedia - Secrecy: Encyclopedia - Secrecy
For the DC Comics character, see Secret (comics). Secrecy is the practice of hiding information from others. That which is kept hidden is...   » Read the article

Encyclopedia - List Of Academic Disciplines: Encyclopedia - List Of Academic Disciplines
This is a list of academic disciplines (and academic fields). An academic discipline is a branch of knowledge which is formally taught, e...   » Read the article

Encyclopedia - Access Control: Encyclopedia - Access Control
In security, specifically physical security, the term access control refers to the practice of restricting entrance to a property, a buil...   » Read the article

Encyclopedia - Spyware: Encyclopedia Ii - Spyware - Spyware Adware And Tracking
The term adware frequently refers to any software which displays advertisements, whether or not it does so with the user's consent. Progr...   » Read the article

Encyclopedia - Computer Security Audit: Encyclopedia - Computer Security Audit
A computer security audit is a process that can verify that certain standards have been met, and identify areas in need of remediation or...   » Read the article

Encyclopedia - Backup: Encyclopedia - Backup
Backup in computer engineering refers to the copying of data for the purpose of having an additional copy of an original source. If the o...   » Read the article

Encyclopedia - Zero Day: Encyclopedia - Zero Day
Zero day or 0day refers to software, media, or information that is obtained either slightly prior to or on the day of the official releas...   » Read the article

Encyclopedia - Computer Insecurity: Encyclopedia - Computer Insecurity
Many current computer systems have a very poor level of computer security. This computer insecurity article describes the current battlef...   » Read the article

Encyclopedia - Man-in-the-middle Attack: Encyclopedia Ii - Man-in-the-middle Attack - Public-key Cryptography Example Using Public-key Encryption
Suppose Alice wishes to communicate with Bob, and that Mallory wishes to eavesdrop on the conversation, or possibly deliver a false messa...   » Read the article

Encyclopedia - Man-in-the-middle Attack: Encyclopedia Ii - Man-in-the-middle Attack - Defenses Against The Attack
The possibility of a man-in-the-middle attack remains a serious security potential problem, even for many public-key based cryptosystems....   » Read the article

Encyclopedia - Spyware: Encyclopedia Ii - Spyware - Routes Of Infection
Spyware does not directly spread in the manner of a computer virus or worm: generally, an infected system does not attempt to transmit th...   » Read the article

Encyclopedia - Key-agreement Protocol: Encyclopedia Ii - Key-agreement Protocol - Exponential Key Exchange
The first publicly known (*) public-key agreement protocol that meets the above criteria was the Diffie-Hellman exponential key exchange,...   » Read the article

Encyclopedia - Buffer Overflow: Encyclopedia Ii - Buffer Overflow - History
In 1988, the Morris worm used a buffer overflow in a Unix program called fingerd to propagate itself over the Internet. Later, in 1995, T...   » Read the article

Encyclopedia - Spyware: Encyclopedia Ii - Spyware - Notable Programs Distributed With Spyware
In a small number of cases, firms have distributed audio compact discs with spyware that activates when the disc finds itself in a comput...   » Read the article

Encyclopedia - Security Focused Operating System: Encyclopedia Ii - Security Focused Operating System - Linux
Linux is a free, open source Unix variant created by Linus Torvalds. Linux itself is not inherently security-focused; however, many distr...   » Read the article

Encyclopedia - Spyware: Encyclopedia Ii - Spyware - History And Development
The first recorded use of the term Spyware occurred on October 17, 1994 in a Usenet post that poked fun at Microsoft's business model. Sp...   » Read the article

Encyclopedia - User Computing: Encyclopedia - User Computing
A user in computing context is one who uses a computer system. Users may need to identify themselves for the purposes of accounting, secu...   » Read the article

Encyclopedia - Security Focused Operating System: Encyclopedia Ii - Security Focused Operating System - Solaris
Solaris is a Unix variant created by Sun Microsystems. Solaris itself is not inherently security-focused. It is also free, and licensed u...   » Read the article

Encyclopedia - Spyware: Encyclopedia Ii - Spyware - User Consent And Legality
Gaining unauthorized access to a computer is illegal, under computer crime laws such as the United States Computer Fraud and Abuse Act. S...   » Read the article

Encyclopedia - Spyware: Encyclopedia Ii - Spyware - Remedies And Prevention
As the spyware threat has worsened, a number of techniques have emerged to counteract it. These include programs designed to remove or to...   » Read the article

Encyclopedia - Spyware: Encyclopedia Ii - Spyware - Notable Programs Distributed With Spyware
In a small number of cases, firms have distributed audio compact discs with spyware that activates when the disc finds itself in a comput...   » Read the article

Encyclopedia - List Of Unix Programs: Encyclopedia Ii - List Of Unix Programs - System Software
List of Unix programs - System Management. admin – Administer SCCS files rmdel – remove a delta from an SCCS file fuser – Identi...   » Read the article

Encyclopedia - Intranet: Encyclopedia Ii - Intranet - Advantages Of An Intranet
1. Workforce productivity: Intranets can help employees to quickly find and view information and applications relevant to their roles and...   » Read the article

Encyclopedia - Extranet: Encyclopedia Ii - Extranet - Industry Uses
During the late 1990s and early 2000s, several industries started to use the term "extranet" to describe central repositories of shared d...   » Read the article

Encyclopedia - Intrusion-detection System: Encyclopedia Ii - Intrusion-detection System - Misuse Detection Vs. Anomaly Detection
A misuse detection system, also known as a Signature-Based Intrusion Detection System identifies intrusions by watching for patterns of t...   » Read the article

Encyclopedia - Self-replication: Encyclopedia Ii - Self-replication - Overview
Self-replication - Theory. Early research by John von Neumann established that one common form of a replicator has several parts: A ge...   » Read the article

Encyclopedia - Password Cracking: Encyclopedia Ii - Password Cracking - Principal Attack Methods
Password cracking - Weak encryption. If a system uses a cryptographically weak function to hash or encrypt passwords, exploiting that w...   » Read the article

Encyclopedia - May 2004: Encyclopedia Ii - May 2004 - Events
• 28 Gerald Anthony • 27 Umberto Agnelli • 22 Richard Biggs • 20 Len Murray • 17 Tony Randall • 17 Ezzedine Salim • 9 Alan ...   » Read the article

Encyclopedia - List Of Computing Topics: Encyclopedia Ii - List Of Computing Topics - 0–9
1.TR.6 -- 100BaseFX -- 100BaseTX -- 100BaseT -- 100BaseVG -- 100VG-AnyLAN -- 10base2 -- 10base5 -- 10baseT -- 120 reset -- 16-bit -- 16-b...   » Read the article

Encyclopedia - Stateful Firewall: Encyclopedia Ii - Stateful Firewall - How It Works
A stateful firewall is able to hold in memory significant attributes of each connection, from start to finish. These attributes, which ar...   » Read the article

Encyclopedia - Backup: Encyclopedia Ii - Backup - Backup Strategies
Considerations: A backup should be easy to do. A backup should be automated and rely on as little human interaction as possible. Backups...   » Read the article

Encyclopedia - Defence In Depth: Encyclopedia Ii - Defence In Depth - Military Defence In Depth
A conventional defence strategy would concentrate all military resources at a front line which, if breached by an attacker, would leave t...   » Read the article

Encyclopedia - Capture The Flag: Encyclopedia Ii - Capture The Flag - Software/games
In 1995, Richard Carr released a MS-DOS based game called Capture the Flag. It is a turn based strategy game with real time network / mod...   » Read the article

Encyclopedia - Computer Security Audit: Encyclopedia Ii - Computer Security Audit - Examples Of These Audit Tools
For each example given, there are competing products and services that do similar things. In time, this article will comprehensively incl...   » Read the article

Encyclopedia - Capture The Flag: Encyclopedia Ii - Capture The Flag - Software/games
In 1995, Richard Carr released a MS-DOS based game called Capture the Flag. It is a turn based strategy game with real time network / mod...   » Read the article

Encyclopedia - User Mode: Encyclopedia Ii - User Mode - User Mode In Operating System Design
User mode refers to the normal privilege level of an operating system that implements separation of privileges; that is, the ordinary lev...   » Read the article

Encyclopedia - Secrecy: Encyclopedia Ii - Secrecy - Government Secrecy
Governments often attempt to conceal information from other governments or the public. These state secrets can include weapon designs, mi...   » Read the article

Encyclopedia - List Of Academic Disciplines: Encyclopedia Ii - List Of Academic Disciplines - Natural Sciences
List of academic disciplines - Astronomy. Astrophysics Cosmogony Cosmology List of academic disciplines - Behavioral science. L...   » Read the article

Encyclopedia - Virtual Private Server: Encyclopedia Ii - Virtual Private Server - Internet Hosting
In the Internet hosting service industry, virtual private servers fill a void between shared web hosting service and dedicated hosting se...   » Read the article

Encyclopedia - Backup: Encyclopedia Ii - Backup - Backup Strategies
A backup should be planned carefully, and the following points should be considered: A backup should be easy to do. A backup should be a...   » Read the article

Encyclopedia - Self-replication: Encyclopedia Ii - Self-replication - Overview
Self-replication - Theory. Early research by John von Neumann established that one common form of a replicator has several parts: A ge...   » Read the article

Encyclopedia - Computer: Encyclopedia Ii - Computer - Digital Circuits
The conceptual design above could be implemented using a variety of different technologies. As previously mentioned, a stored program com...   » Read the article

Encyclopedia - Port Scanner: Encyclopedia Ii - Port Scanner - Port Scanners
Port scanner - Online Portscanner. Sygate Online Scan extended security check (Stealth Scan, Trojan Scan) Planet Security Firewall-Ch...   » Read the article

Encyclopedia - Computing: Encyclopedia Ii - Computing - Hardware
See information processor for a high-level block diagram. Computer hardware Computer Hardware Design Computer network Computer system Hi...   » Read the article

Encyclopedia - File Locking: Encyclopedia Ii - File Locking - File Locking In Unix
Open files and programs are not automatically locked in UNIX. There are different kinds of file locking mechanisms available in different...   » Read the article

Encyclopedia - Enterprise Resource Planning: Encyclopedia Ii - Enterprise Resource Planning - Overview
Enterprise resource planning is a term derived from manufacturing resource planning (MRP II) that followed material requirements planning...   » Read the article

Encyclopedia - Privilege Computing: Encyclopedia Ii - Privilege Computing - Unix
On Unix-like systems, the Superuser (commonly known as 'root') is user that owns all the privileges. These systems do not follow the prin...   » Read the article

Encyclopedia - User Computing: Encyclopedia Ii - User Computing - Names And Passwords
An account is identified by a user name (also referred to as a login name or as logon) and commonly a password. A username is a unique na...   » Read the article

Encyclopedia - Sms Spoofing: Encyclopedia Ii - Sms Spoofing - How Sms Spoofing Is Carried Out
SMS spoofing became possible after many mobile/cellular operators had integrated their network communications with/in the Internet. So an...   » Read the article

Encyclopedia - Degaussing: Encyclopedia Ii - Degaussing - Degaussing Ships
The term was first used by Charles Frederick Goodeve during World War II while trying to counter the German magnetic mines that were play...   » Read the article

Encyclopedia - Defence In Depth: Encyclopedia Ii - Defence In Depth - Non-military Defence In Depth
The term defence in depth is now used in many non-military contexts. For example, a defence in depth strategy to fire prevention does not...   » Read the article

Encyclopedia - Computer Security Audit: Encyclopedia Ii - Computer Security Audit - What These Audits Do For Home Computer Users
Computer security audit - Personal Computer. Any user can visit Steve Gibson Research site's Shields Up collection of tools to run test...   » Read the article

Encyclopedia - Self-replication: Encyclopedia Ii - Self-replication - Mechanical Self-replication
A major goal in the field of robots is the self-replication of machines. A self-replicating machine is known as a Von Neumann machine. Si...   » Read the article

Encyclopedia - Self-replication: Encyclopedia Ii - Self-replication - Self-replication In Industry
Self-replication - Space exploration and manufacturing. The goal of self-replication in space systems is to exploit large amounts of ma...   » Read the article

Encyclopedia - Stateful Firewall: Encyclopedia Ii - Stateful Firewall - Application-level Filters
Today, firewalls are again using application level filters called proxies - or application level proxies because machines with modern CPU...   » Read the article

Encyclopedia - User Mode: Encyclopedia Ii - User Mode - User Mode In Cpu Design
User mode does not allow the program to access certain privileged operations of the processor in order to protect the operating system fr...   » Read the article

Encyclopedia - Computer: Encyclopedia Ii - Computer - Computer Applications
The first digital computers, with their large size and cost, mainly performed scientific calculations, often to support military objectiv...   » Read the article

Encyclopedia - Sms Spoofing: Encyclopedia Ii - Sms Spoofing - Legal Cases Against Sms Spoofers
On July 22, 2004 Verizon Wireless filed suit against Jacob Brown and 50 unidentified individuals, alleging that the defendants sent over ...   » Read the article

Encyclopedia - Intrusion-detection System: Encyclopedia Ii - Intrusion-detection System - Passive System Vs. Reactive System
In a passive system, the IDS sensor detects a potential security breach, logs the information and signals an alert on the console. In a r...   » Read the article

Encyclopedia - File Locking: Encyclopedia Ii - File Locking - File Locking In Windows
Program files are automatically locked upon execution, thus preventing them from being modified or deleted while running. Programs are au...   » Read the article

Encyclopedia - Privilege Computing: Encyclopedia Ii - Privilege Computing - Windows Nt
On Windows NT-based systems, privileges are delegated in varying degrees. These delegations can be defined using the Local Security Polic...   » Read the article

Encyclopedia - Degaussing: Encyclopedia Ii - Degaussing - Degaussing Monitors
Today the most common use of degaussing is in CRT-based computer monitors. Most monitors are based on the Trinitron tube, which uses a me...   » Read the article

Encyclopedia - Enterprise Resource Planning: Encyclopedia Ii - Enterprise Resource Planning - Advantages
In the absense of an ERP system, a manufacturer in need of what it has to offer, may find itself with many software applications that do ...   » Read the article

Encyclopedia - Backup: Encyclopedia Ii - Backup - Backup Procedures
Proper backup procedures require redundancy of the backup to a remote location and an effecitive Backup rotation scheme such as the GFS m...   » Read the article

Encyclopedia - Backup: Encyclopedia Ii - Backup - Special Cases
Backing up active databases requires highly-specialized software that must be integrated with the database system in order to prevent dat...   » Read the article

Encyclopedia - Computer Security Audit: Encyclopedia Ii - Computer Security Audit - What These Audits Do For Home Computer Users
Computer security audit - Personal Computer. Go to Steve Gibson Research site, scroll down to Shields Up, run tests until you find thi...   » Read the article

Encyclopedia - Computer Insecurity: Encyclopedia Ii - Computer Insecurity - Vulnerabilities
To understand something about techniques for securing a computer system, it is important to first understand the various types of "attack...   » Read the article

Encyclopedia - Computer: Encyclopedia Ii - Computer - History Of Computing
Originally, the term "computer" referred to a person who performed numerical calculations under the direction of a mathematician, possibl...   » Read the article

Encyclopedia - List Of Academic Disciplines: Encyclopedia Ii - List Of Academic Disciplines - Professions / Applied Sciences
List of academic disciplines - Design. city planning, urban planning industrial design, product design graphic design architecture int...   » Read the article

Encyclopedia - List Of Academic Disciplines: Encyclopedia Ii - List Of Academic Disciplines - Humanities And Arts
List of academic disciplines - Area studies sometimes called cultural studies. American studies African studies Asian Studies Catholic...   » Read the article

Encyclopedia - Secrecy: Encyclopedia Ii - Secrecy - Corporate Security
Organizations, ranging from multi-national for profit corporations to nonprofit charities, keep secrets for competitive advantage, to mee...   » Read the article

Encyclopedia - Secrecy: Encyclopedia Ii - Secrecy - Technology Of Secrecy
Preservation of secrets is one of the goals of information security. Techniques used include physical security and cryptography. The latt...   » Read the article

Encyclopedia - List Of Academic Disciplines: Encyclopedia Ii - List Of Academic Disciplines - Mathematics And Computer Science
List of academic disciplines - Mathematics. Algebra Analysis Calculus Game theory Geometry Information theory Number theory Probabilit...   » Read the article

Encyclopedia - List Of Academic Disciplines: Encyclopedia Ii - List Of Academic Disciplines - Social Sciences
List of academic disciplines - Anthropology. Biological anthropology Primate behavior Human evolution Population genetics Forensic an...   » Read the article

Encyclopedia - User Computing: Encyclopedia Ii - User Computing - Semantics
A user account allows one to authenticate to system services. It also generally provides one with the opportunity to be authorized to acc...   » Read the article

Encyclopedia - Computer Insecurity: Encyclopedia Ii - Computer Insecurity - Security Measures
A state of computer "security" is the conceptual ideal, attained by the use of the three processes: Prevention, Detection, and Response....   » Read the article

Encyclopedia - Password Cracking: Encyclopedia Ii - Password Cracking - Prevention
The best method of preventing password cracking is to ensure that attackers cannot get access even to the encrypted password. For example...   » Read the article

Encyclopedia - Self-replication: Encyclopedia Ii - Self-replication - Self-replication In Industry
Self-replication - Space exploration and manufacturing. The goal of self-replication in space systems is to exploit large amounts of ma...   » Read the article